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Configurator Overview

SIPLUS S7-300 standard CPUs

Product Information
Configurators

Overview

ENG_83712.XML

The following SIPLUS S7-300 Standard CPUs are available for use under extreme ambient conditions:

SIPLUS S7-300 CPU 314
for plants with additional requirements for the program scope and the instruction processing speed
SIPLUS S7-300 CPU 315-2 DP
for plants with medium to high requirements for the program scope and distributed configuration using PROFIBUS DP
SIPLUS S7-300 CPU 315-2 PN/DP
for plants with medium to high requirements for the program scope and distributed configuration using PROFIBUS DP and PROFINET IO; these can be implemented as distributed intelligence in Component Based Automation (CBA) on PROFINET
SIPLUS S7-300 CPU 317-2 PN/DP
for plants with high requirements for the program scope and distributed configuration using PROFIBUS DP and PROFINET IO; these can be implemented as distributed intelligence in Component Based Automation (CBA) on PROFINET

SIPLUS S7-300 Standard CPUs can be used under the following extreme ambient conditions:

Extended ambient temperature range from -25 °C to +60/+70 °C
Where increased resistance to chemical, mechanical and biological loading as well as salt spray is required
Extended installation altitude
Use up to 100% relative humidity
Conformity with EN 50155

Technical specifications

ENG_585099.xml

Article number	6AG1314-1AG14-7AB0	6AG1315-2AH14-7AB0
	SIPLUS S7-300 CPU314	SIPLUS S7-300 CPU 315-2DP
General information
Product type designation	CPU 314	CPU 315-2 DP
based on	6ES7314-1AG14-0AB0	6ES7315-2AH14-0AB0
Product function
● Isochronous mode		Yes
Engineering with
● Programming package	STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218	STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218
Supply voltage
Rated value (DC)	24 V	24 V
permissible range, lower limit (DC)	19.2 V	19.2 V
permissible range, upper limit (DC)	28.8 V	28.8 V
external protection for power supply lines (recommendation)	2 A min.	2 A min.
Mains buffering
● Mains/voltage failure stored energy time	5 ms	5 ms
● Repeat rate, min.	1 s	1 s
Input current
Current consumption (rated value)	650 mA	850 mA
Current consumption (in no-load operation), typ.	140 mA	150 mA
Inrush current, typ.	3.5 A	3.5 A
I²t	1 A²·s	1 A²·s
Power loss
Power loss, typ.	4 W	4.5 W
Memory
Work memory
● integrated	128 kbyte	256 kbyte
● expandable	No	No
Load memory
● Plug-in (MMC)	Yes	Yes
● Plug-in (MMC), max.	8 Mbyte	8 Mbyte
● Data management on MMC (after last programming), min.	10 a	10 a
Backup
● present	Yes; Guaranteed by MMC (maintenance-free)	Yes; Guaranteed by MMC (maintenance-free)
● without battery	Yes; Program and data	Yes; Program and data
CPU processing times
for bit operations, typ.	0.06 µs	0.05 µs
for word operations, typ.	0.12 µs	0.09 µs
for fixed point arithmetic, typ.	0.16 µs	0.12 µs
for floating point arithmetic, typ.	0.59 µs	0.45 µs
CPU-blocks
Number of blocks (total)	1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.	1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.
DB
● Number, max.	1 024; Number range: 1 to 16000	1 024; Number range: 1 to 16000
● Size, max.	64 kbyte	64 kbyte
FB
● Number, max.	1 024; Number range: 0 to 7999	1 024; Number range: 0 to 7999
● Size, max.	64 kbyte	64 kbyte
FC
● Number, max.	1 024; Number range: 0 to 7999	1 024; Number range: 0 to 7999
● Size, max.	64 kbyte	64 kbyte
OB
● Number, max.	see instruction list	see instruction list
● Size, max.	64 kbyte	64 kbyte
● Number of free cycle OBs	1; OB 1	1; OB 1
● Number of time alarm OBs	1; OB 10	1; OB 10
● Number of delay alarm OBs	2; OB 20, 21	2; OB 20, 21
● Number of cyclic interrupt OBs	4; OB 32, 33, 34, 35	4; OB 32, 33, 34, 35
● Number of process alarm OBs	1; OB 40	1; OB 40
● Number of DPV1 alarm OBs		3; OB 55, 56, 57
● Number of isochronous mode OBs		1; OB 61
● Number of startup OBs	1; OB 100	1; OB 100
● Number of asynchronous error OBs	4; OB 80, 82, 85, 87	5; OB 80, 82, 85, 86, 87
● Number of synchronous error OBs	2; OB 121, 122	2; OB 121, 122
Nesting depth
● per priority class	16	16
● additional within an error OB	4	4
Counters, timers and their retentivity
S7 counter
● Number	256	256
Retentivity
— adjustable	Yes	Yes
— preset	Z 0 to Z 7	Z 0 to Z 7
Counting range
— lower limit	0	0
— upper limit	999	999
IEC counter
● present	Yes	Yes
● Type	SFB	SFB
● Number	Unlimited (limited only by RAM capacity)	Unlimited (limited only by RAM capacity)
S7 times
● Number	256	256
Retentivity
— adjustable	Yes	Yes
— preset	No retentivity	No retentivity
Time range
— lower limit	10 ms	10 ms
— upper limit	9 990 s	9 990 s
IEC timer
● present	Yes	Yes
● Type	SFB	SFB
● Number	Unlimited (limited only by RAM capacity)	Unlimited (limited only by RAM capacity)
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.	64 kbyte	128 kbyte
Flag
● Size, max.	256 byte	2 048 byte
● Retentivity available	Yes; MB 0 to MB 255	Yes; MB 0 to MB 2 047
● Retentivity preset	MB 0 to MB 15	MB 0 to MB 15
● Number of clock memories	8; 1 memory byte	8; 1 memory byte
Data blocks
● Retentivity adjustable	Yes; via non-retain property on DB	Yes; via non-retain property on DB
● Retentivity preset	Yes	Yes
Local data
● per priority class, max.	32 kbyte; Max. 2 KB per block	32 kbyte; Max. 2 KB per block
Address area
I/O address area
● Inputs	1 024 byte	2 048 byte
● Outputs	1 024 byte	2 048 byte
of which distributed
— Inputs		2 048 byte
— Outputs		2 048 byte
Process image
● Inputs	1 024 byte	2 048 byte
● Outputs	1 024 byte	2 048 byte
● Inputs, adjustable	1 024 byte	2 048 byte
● Outputs, adjustable	1 024 byte	2 048 byte
● Inputs, default	128 byte	128 byte
● Outputs, default	128 byte	128 byte
Subprocess images
● Number of subprocess images, max.		1
Digital channels
● Inputs	1 024	16 384
— of which central	1 024	1 024
● Outputs	1 024	16 384
— of which central	1 024	1 024
Analog channels
● Inputs	256	1 024
— of which central	256	256
● Outputs	256	1 024
— of which central	256	256
Hardware configuration
Number of expansion units, max.	3	3
Number of DP masters
● integrated	0	1
● via CP	4	4
Number of operable FMs and CPs (recommended)
● FM	8	8
● CP, PtP	8	8
● CP, LAN	10	10
Rack
● Racks, max.	4	4
● Modules per rack, max.	8	8
Time of day
Clock
● Hardware clock (real-time)	Yes	Yes
● retentive and synchronizable	Yes	Yes
● Backup time	6 wk; At 40 °C ambient temperature	6 wk; At 40 °C ambient temperature
● Deviation per day, max.	10 s; Typ.: 2 s	10 s; Typ.: 2 s
● Behavior of the clock following POWER-ON	Clock continues running after POWER OFF	Clock continues running after POWER OFF
● Behavior of the clock following expiry of backup period	the clock continues at the time of day it had when power was switched off	the clock continues at the time of day it had when power was switched off
Operating hours counter
● Number	1	1
● Number/Number range	0	0
● Range of values	0 to 2^31 hours (when using SFC 101)	0 to 2^31 hours (when using SFC 101)
● Granularity	1 h	1 h
● retentive	Yes; Must be restarted at each restart	Yes; Must be restarted at each restart
Clock synchronization
● supported	Yes	Yes
● to MPI, master	Yes	Yes
● on MPI, device	Yes	Yes
● to DP, master		Yes; With DP slave only slave clock
● on DP, device		Yes
● in AS, master	Yes	Yes
● in AS, device	No	No
Digital inputs
Number of digital inputs	0	0
Digital outputs
Number of digital outputs	0	0
Analog inputs
Number of analog inputs	0	0
Interfaces
Number of PROFINET interfaces	0	0
Number of RS 485 interfaces	1; MPI	2; MPI and PROFIBUS DP
Number of RS 422 interfaces	0	0
1. Interface
Interface type	Integrated RS 485 interface	Integrated RS 485 interface
Isolated	No	No
Interface types
● RS 485	Yes	Yes
● Output current of the interface, max.	200 mA	200 mA
Protocols
● MPI	Yes	Yes
● PROFIBUS DP master	No	No
● PROFIBUS DP device	No	No
● Point-to-point connection	No	No
MPI
● Transmission rate, max.	187.5 kbit/s	187.5 kbit/s
Services
— PG/OP communication	Yes	Yes
— Routing	No	Yes
— Global data communication	Yes	Yes
— S7 basic communication	Yes	Yes
— S7 communication	Yes; Only server, configured on one side	Yes; Only server, configured on one side
— S7 communication, as client	No	No
— S7 communication, as server	Yes	Yes
2. Interface
Interface type		Integrated RS 485 interface
Isolated		Yes
Interface types
● RS 485		Yes
● Output current of the interface, max.		200 mA
Protocols
● MPI		No
● PROFIBUS DP master		Yes
● PROFIBUS DP device		Yes
● Point-to-point connection		No
PROFIBUS DP master
● Number of connections, max.		16
● Transmission rate, max.		12 Mbit/s
● max. number of DP devices		124; Per station
Services
— PG/OP communication		Yes
— Routing		Yes
— Global data communication		No
— S7 basic communication		Yes; I blocks only
— S7 communication		Yes; Only server, configured on one side
— S7 communication, as client		No
— S7 communication, as server		Yes
— Equidistance		Yes
— Isochronous mode		Yes; OB 61
— SYNC/FREEZE		Yes
— activation/deactivation of DP devices		Yes
— max. number of DP devices that can be activated/deactivated at the same time		8
— DPV1		Yes
Address area
— Inputs, max.		2 048 byte
— Outputs, max.		2 048 byte
User data per DP device
— Inputs, max.		244 byte
— Outputs, max.		244 byte
2nd interface / PROFIBUS DP device / header
● GSD file		The latest GSD file is available at: http://www.siemens.com/profibus-gsd
● Transmission rate, max.		12 Mbit/s
● automatic baud rate search		Yes; only with passive interface
● Address area, max.		32
● User data per address area, max.		32 byte
Services
— PG/OP communication		Yes
— Routing		Yes; Only with active interface
— Global data communication		No
— S7 basic communication		No
— S7 communication		Yes
— S7 communication, as client		No
— S7 communication, as server		Yes
— Direct data exchange (slave-to-slave communication)		Yes
— DPV1		No
Transfer memory
— Inputs		244 byte
— Outputs		244 byte
Protocols
PROFIsafe	No	No
communication functions / header
PG/OP communication	Yes	Yes
Data record routing	No	Yes
Global data communication
● supported	Yes	Yes
● Number of GD loops, max.	8	8
● Number of GD packets, max.	8	8
● Number of GD packets, transmitter, max.	8	8
● Number of GD packets, receiver, max.	8	8
● Size of GD packets, max.	22 byte	22 byte
● Size of GD packet (of which consistent), max.	22 byte	22 byte
S7 basic communication
● supported	Yes	Yes
● User data per job, max.	76 byte	76 byte
● User data per job (of which consistent), max.	76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)	76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)
S7 communication
● supported	Yes	Yes
● as server	Yes	Yes
● as client	Yes; Via CP and loadable FB	Yes; Via CP and loadable FB
● User data per job, max.	180 byte; With PUT/GET	180 byte; With PUT/GET
● User data per job (of which consistent), max.	240 byte; as server	240 byte; as server
S5 compatible communication
● supported	Yes; via CP and loadable FC	Yes; via CP and loadable FC
Number of connections
● overall	12	16
● usable for PG communication	11	15
— reserved for PG communication	1	1
— adjustable for PG communication, min.	1	1
— adjustable for PG communication, max.	11	15
● usable for OP communication	11	15
— reserved for OP communication	1	1
— adjustable for OP communication, min.	1	1
— adjustable for OP communication, max.	11	15
● usable for S7 basic communication	8	12
— reserved for S7 basic communication	0	0
— adjustable for S7 basic communication, min.	0	0
— adjustable for S7 basic communication, max.	8	12
S7 message functions
Number of login stations for message functions, max.	12; Depending on the configured connections for PG/OP and S7 basic communication	16; Depending on the configured connections for PG/OP and S7 basic communication
Process diagnostic messages	Yes	Yes
simultaneously active Alarm_S blocks, max.	300	300
Test commissioning functions
Status block	Yes; Up to 2 simultaneously	Yes; Up to 2 simultaneously
Single step	Yes	Yes
Number of breakpoints	4	4
Status/control
● Status/control variable	Yes	Yes
● Variables	Inputs, outputs, memory bits, DB, times, counters	Inputs, outputs, memory bits, DB, times, counters
● Number of variables, max.	30	30
— of which status variables, max.	30	30
— of which control variables, max.	14	14
Forcing
● Forcing	Yes	Yes
● Forcing, variables	Inputs, outputs	Inputs, outputs
● Number of variables, max.	10	10
Diagnostic buffer
● present	Yes	Yes
● Number of entries, max.	500	500
— adjustable	No	No
— of which powerfail-proof	100; Only the last 100 entries are retained	100; Only the last 100 entries are retained
● Number of entries readable in RUN, max.	499
— adjustable	Yes; From 10 to 499	Yes; From 10 to 499
— preset	10	10
Service data
● can be read out	Yes
Standards, approvals, certificates
CE mark	Yes	Yes
UL approval	Yes; File E239877	Yes; File E239877
RCM (formerly C-TICK)	Yes	Yes
KC approval	Yes	Yes
EAC (formerly Gost-R)	Yes	Yes
Use in hazardous areas
● ATEX	Yes	Yes
Ambient conditions
Ambient temperature during operation
● min.	-25 °C; = Tmin	-25 °C; = Tmin
● max.	70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use	70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use
Ambient temperature during storage/transportation
● min.	-40 °C	-40 °C
● max.	70 °C	70 °C
Altitude during operation relating to sea level
● Installation altitude above sea level, max.	5 000 m	5 000 m
● Ambient air temperature-barometric pressure-altitude	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)
Relative humidity
● With condensation, tested in accordance with IEC 60068-2-38, max.	100 %; RH incl. condensation/frost (no commissioning under condensation conditions)	100 %; RH incl. condensation/frost (no commissioning under condensation conditions)
Resistance
Use in stationary industrial systems
— to biologically active substances according to EN 60721-3-3	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to chemically active substances according to EN 60721-3-3	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-3	Yes; Class 3S4 incl. sand, dust, *	Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
— to biologically active substances according to EN 60721-3-6	Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request	Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to chemically active substances according to EN 60721-3-6	Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *	Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-6	Yes; Class 6S3 incl. sand, dust; *	Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
— Against chemically active substances acc. to EN 60654-4	Yes; Class 3 (excluding trichlorethylene)	Yes; Class 3 (excluding trichlorethylene)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04	* The supplied plug covers must remain in place over the unused interfaces during operation!	* The supplied plug covers must remain in place over the unused interfaces during operation!
configuration / header
Configuration software
● STEP 7	Yes; V5.2 SP1 or higher with HW update	Yes; V5.2 SP1 or higher with HW update
configuration / programming / header
● Command set	see instruction list	see instruction list
● Nesting levels	8	8
● System functions (SFC)	see instruction list	see instruction list
● System function blocks (SFB)	see instruction list	see instruction list
Programming language
— LAD	Yes	Yes
— FBD	Yes	Yes
— STL	Yes	Yes
— SCL	Yes	Yes
— CFC	Yes	Yes
— GRAPH	Yes	Yes
— HiGraph®	Yes	Yes
Know-how protection
● User program protection/password protection	Yes	Yes
● Block encryption	Yes; With S7 block Privacy
Dimensions
Width	40 mm	40 mm
Height	125 mm	125 mm
Depth	130 mm	130 mm
Weights
Weight, approx.	280 g	290 g

Article number	6AG1315-2EH14-7AB0	6AG1317-2EK14-7AB0
	SIPLUS S7-300 CPU315-2PN/DP	SIPLUS S7-300 CPU317-2PN/DP
General information
Product type designation	CPU 315-2 PN/DP	CPU 317-2 PN/DP
based on	6ES7315-2EH14-0AB0	6ES7317-2EK14-0AB0
Product function
● Isochronous mode	Yes; Via PROFIBUS DP or PROFINET interface	Yes; Via PROFIBUS DP or PROFINET interface
Engineering with
● Programming package	STEP 7 V5.5 or higher	STEP 7 V5.5 or higher
Supply voltage
Rated value (DC)	24 V	24 V
permissible range, lower limit (DC)	20.4 V	20.4 V
permissible range, upper limit (DC)	28.8 V	28.8 V
external protection for power supply lines (recommendation)	2 A min.	2 A min.
Mains buffering
● Mains/voltage failure stored energy time	5 ms	5 ms
● Repeat rate, min.	1 s	1 s
Input current
Current consumption (rated value)	750 mA	750 mA
Current consumption (in no-load operation), typ.	150 mA	150 mA
Inrush current, typ.	4 A	4 A
I²t	1 A²·s	1 A²·s
Power loss
Power loss, typ.	4.65 W	4.65 W
Memory
Work memory
● integrated	384 kbyte	1 024 kbyte
● expandable	No	No
Load memory
● Plug-in (MMC)	Yes	Yes
● Plug-in (MMC), max.	8 Mbyte	8 Mbyte
● Data management on MMC (after last programming), min.	10 a	10 a
Backup
● present	Yes; Guaranteed by MMC (maintenance-free)	Yes; Guaranteed by MMC (maintenance-free)
● without battery	Yes; Program and data	Yes; Program and data
CPU processing times
for bit operations, typ.	0.05 µs	0.025 µs
for word operations, typ.	0.09 µs	0.03 µs
for fixed point arithmetic, typ.	0.12 µs	0.04 µs
for floating point arithmetic, typ.	0.45 µs	0.16 µs
CPU-blocks
Number of blocks (total)	1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.	2 048; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.
DB
● Number, max.	1 024; Number range: 1 to 16000	2 048; Number range: 1 to 16000
● Size, max.	64 kbyte	64 kbyte
FB
● Number, max.	1 024; Number range: 0 to 7999	2 048; Number range: 0 to 7999
● Size, max.	64 kbyte	64 kbyte
FC
● Number, max.	1 024; Number range: 0 to 7999	2 048; Number range: 0 to 7999
● Size, max.	64 kbyte	64 kbyte
OB
● Size, max.	64 kbyte	64 kbyte
● Number of free cycle OBs	1; OB 1	1; OB 1
● Number of time alarm OBs	1; OB 10	1; OB 10
● Number of delay alarm OBs	2; OB 20, 21	2; OB 20, 21
● Number of cyclic interrupt OBs	4; OB 32, 33, 34, 35	4; OB 32, 33, 34, 35
● Number of process alarm OBs	1; OB 40	1; OB 40
● Number of DPV1 alarm OBs	3; OB 55, 56, 57	3; OB 55, 56, 57
● Number of isochronous mode OBs	1; OB 61	1; OB 61 - isochronous mode is possible either on DP or PROFINET IO (not simultaneously)
● Number of startup OBs	1; OB 100	1; OB 100
● Number of asynchronous error OBs	6; OB 80, 82, 83, 85, 86, 87 (OB83 only for PROFINET IO)	6; OB 80, 82, 83, 85, 86, 87 (OB83 only for PROFINET IO)
● Number of synchronous error OBs	2; OB 121, 122	2; OB 121, 122
Nesting depth
● per priority class	16	16
● additional within an error OB	4	4
Counters, timers and their retentivity
S7 counter
● Number	256	512
Retentivity
— adjustable	Yes	Yes
— preset	Z 0 to Z 7	Z 0 to Z 7
Counting range
— adjustable	Yes	Yes
— lower limit	0	0
— upper limit	999	999
IEC counter
● present	Yes	Yes
● Type	SFB	SFB
● Number	Unlimited (limited only by RAM capacity)	Unlimited (limited only by RAM capacity)
S7 times
● Number	256	512
Retentivity
— adjustable	Yes	Yes
— preset	No retentivity	No retentivity
Time range
— lower limit	10 ms	10 ms
— upper limit	9 990 s	9 990 s
IEC timer
● present	Yes	Yes
● Type	SFB	SFB
● Number	Unlimited (limited only by RAM capacity)	Unlimited (limited only by RAM capacity)
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.	128 kbyte	256 kbyte
Flag
● Size, max.	2 048 byte	4 096 byte
● Retentivity available	Yes; MB 0 to MB 2 047	Yes; From MB 0 to MB 4 095
● Retentivity preset	MB 0 to MB 15	MB 0 to MB 15
● Number of clock memories	8; 1 memory byte	8; 1 memory byte
Data blocks
● Retentivity adjustable	Yes; via non-retain property on DB	Yes; via non-retain property on DB
● Retentivity preset	Yes	Yes
Local data
● per priority class, max.	32 768 byte; Max. 2048 bytes per block	32 768 byte; Max. 2048 bytes per block
Address area
I/O address area
● Inputs	2 048 byte	8 192 byte
● Outputs	2 048 byte	8 192 byte
of which distributed
— Inputs	2 048 byte	8 192 byte
— Outputs	2 048 byte	8 192 byte
Process image
● Inputs	2 048 byte	8 192 byte
● Outputs	2 048 byte	8 192 byte
● Inputs, adjustable	2 048 byte	8 192 byte
● Outputs, adjustable	2 048 byte	8 192 byte
● Inputs, default	128 byte	256 byte
● Outputs, default	128 byte	256 byte
Subprocess images
● Number of subprocess images, max.	1; With PROFINET IO, the length of the user data is limited to 1600 bytes	1; With PROFINET IO, the length of the user data is limited to 1600 bytes
Digital channels
● Inputs	16 384	65 536
— of which central	1 024	1 024
● Outputs	16 384	65 536
— of which central	1 024	1 024
Analog channels
● Inputs	1 024	4 096
— of which central	256	256
● Outputs	1 024	4 096
— of which central	256	256
Hardware configuration
Number of expansion units, max.	3	3
Number of DP masters
● integrated	1	1
● via CP	4	4
Number of operable FMs and CPs (recommended)
● FM	8	8
● CP, PtP	8	8
● CP, LAN	10	10
Rack
● Racks, max.	4	4
● Modules per rack, max.	8	8
Time of day
Clock
● Hardware clock (real-time)	Yes	Yes
● retentive and synchronizable	Yes	Yes
● Backup time	6 wk; At 40 °C ambient temperature	6 wk; At 40 °C ambient temperature
● Deviation per day, max.	10 s; Typ.: 2 s	10 s; Typ.: 2 s
● Behavior of the clock following POWER-ON	Clock continues running after POWER OFF	Clock continues running after POWER OFF
● Behavior of the clock following expiry of backup period	the clock continues at the time of day it had when power was switched off	the clock continues at the time of day it had when power was switched off
Operating hours counter
● Number	1	4
● Number/Number range	0	0 to 3
● Range of values	0 to 2^31 hours (when using SFC 101)	0 to 2^31 hours (when using SFC 101)
● Granularity	1 h	1 h
● retentive	Yes; Must be restarted at each restart	Yes; Must be restarted at each restart
Clock synchronization
● supported	Yes	Yes
● to MPI, master	Yes	Yes
● on MPI, device	Yes	Yes
● to DP, master	Yes; With DP slave only slave clock	Yes; With DP slave only slave clock
● on DP, device	Yes	Yes
● in AS, master	Yes	Yes
● in AS, device	Yes	Yes
● on Ethernet via NTP	Yes; As client	Yes; As client
Digital inputs
Number of digital inputs	0	0
Digital outputs
Number of digital outputs	0	0
Analog inputs
Number of analog inputs	0	0
Interfaces
Number of PROFINET interfaces	1; 2 ports (switch) RJ45	1; 2 ports (switch) RJ45
Number of RS 485 interfaces	1; Combined MPI / PROFIBUS DP	1; Combined MPI / PROFIBUS DP
Number of RS 422 interfaces	0	0
1. Interface
Interface type	Integrated RS 485 interface	Integrated RS 485 interface
Isolated	Yes	Yes
Interface types
● RS 485	Yes	Yes
● Output current of the interface, max.	200 mA	200 mA
Protocols
● MPI	Yes	Yes
● PROFIBUS DP master	Yes	Yes
● PROFIBUS DP device	Yes	Yes
● Point-to-point connection	No	No
MPI
● Transmission rate, max.	12 Mbit/s	12 Mbit/s
Services
— PG/OP communication	Yes	Yes
— Routing	Yes	Yes
— Global data communication	Yes	Yes
— S7 basic communication	Yes	Yes
— S7 communication	Yes	Yes
— S7 communication, as client	No; but via CP and loadable FB	No; but via CP and loadable FB
— S7 communication, as server	Yes	Yes
PROFIBUS DP master
● Transmission rate, max.	12 Mbit/s	12 Mbit/s
● max. number of DP devices	124	124
Services
— PG/OP communication	Yes	Yes
— Routing	Yes	Yes
— Global data communication	No	No
— S7 basic communication	Yes; I blocks only	Yes; I blocks only
— S7 communication	Yes	Yes
— S7 communication, as client	No	No
— S7 communication, as server	Yes	Yes
— Equidistance	Yes	Yes
— Isochronous mode	Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO	Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO
— SYNC/FREEZE	Yes	Yes
— activation/deactivation of DP devices	Yes	Yes
— max. number of DP devices that can be activated/deactivated at the same time	8	8
— Direct data exchange (slave-to-slave communication)	Yes; as subscriber	Yes; as subscriber
— DPV1	Yes	Yes
Address area
— Inputs, max.	2 kbyte	8 kbyte
— Outputs, max.	2 kbyte	8 kbyte
User data per DP device
— Inputs, max.	244 byte	244 byte
— Outputs, max.	244 byte	244 byte
1st interface / PROFIBUS DP device / header
● Transmission rate, max.	12 Mbit/s	12 Mbit/s
● automatic baud rate search	Yes; only with passive interface	Yes; only with passive interface
● Address area, max.	32	32
● User data per address area, max.	32 byte	32 byte
Services
— PG/OP communication	Yes	Yes
— Routing	Yes; Only with active interface	Yes; Only with active interface
— Global data communication	No	No
— S7 basic communication	No	No
— S7 communication	Yes	Yes
— S7 communication, as client	No	No
— S7 communication, as server	Yes; Connection configured on one side only	Yes; Connection configured on one side only
— Direct data exchange (slave-to-slave communication)	Yes	Yes
— DPV1	No	No
Transfer memory
— Inputs	244 byte	244 byte
— Outputs	244 byte	244 byte
2. Interface
Interface type	PROFINET	PROFINET
Isolated	Yes	Yes
automatic detection of transmission rate	Yes; 10/100 Mbit/s	Yes; 10/100 Mbit/s
Autonegotiation	Yes	Yes
Autocrossing	Yes	Yes
Change of IP address at runtime, supported	Yes	Yes
Interface types
● RJ 45 (Ethernet)	Yes	Yes
● Number of ports	2	2
● integrated switch	Yes	Yes
Protocols
● MPI	No	No
● PROFINET IO Controller	Yes; Also simultaneously with IO-Device functionality	Yes; Also simultaneously with IO-Device functionality
● PROFINET IO Device	Yes; Also simultaneously with IO Controller functionality	Yes; Also simultaneously with IO Controller functionality
● PROFINET CBA	Yes	Yes
● PROFIBUS DP master	No	No
● PROFIBUS DP device	No	No
● Open IE communication	Yes; Via TCP/IP, ISO on TCP, and UDP	Yes; Via TCP/IP, ISO on TCP, and UDP
● Web server	Yes	Yes
● Media redundancy	Yes	Yes
PROFINET IO Controller
● Transmission rate, max.	100 Mbit/s	100 Mbit/s
Services
— PG/OP communication	Yes	Yes
— Routing	Yes	Yes
— S7 communication	Yes; With loadable FBs, max. configurable connections: 14, max. number of instances: 32	Yes; with loadable FBs, max. configurable connections: 16, max. number of instances: 32
— Isochronous mode	Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO	Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO
— IRT	Yes	Yes
— Shared device	Yes	Yes
— Prioritized startup	Yes	Yes
— Number of IO devices with prioritized startup, max.	32	32
— Number of connectable IO Devices, max.	128	128
— Of which IO devices with IRT, max.	64	64
— of which in line, max.	64	64
— Number of IO Devices with IRT and the option "high flexibility"	128	128
— of which in line, max.	61	61
— Number of connectable IO Devices for RT, max.	128	128
— of which in line, max.	128	128
— Activation/deactivation of IO Devices	Yes	Yes
— Number of IO Devices that can be simultaneously activated/deactivated, max.	8	8
— IO Devices changing during operation (partner ports), supported	Yes	Yes
— Number of IO Devices per tool, max.	8	8
— Device replacement without swap medium	Yes	Yes
— Send cycles	250 μs, 500 μs,1 ms; 2 ms, 4 ms (not in the case of IRT with "high flexibility" option)	250 μs, 500 μs,1 ms; 2 ms, 4 ms (not in the case of IRT with "high flexibility" option)
— Updating time	250 µs to 512 ms (depending on the operating mode, see Manual "S7-300 CPU 31xC and CPU 31x, technical Data" for more details)	250 µs to 512 ms (depending on the operating mode, see Manual "S7-300 CPU 31xC and CPU 31x, technical Data" for more details)
Address area
— Inputs, max.	2 kbyte	8 kbyte
— Outputs, max.	2 kbyte	8 kbyte
— User data consistency, max.	1 024 byte	1 024 byte
PROFINET IO Device
Services
— PG/OP communication	Yes	Yes
— Routing	Yes	Yes
— S7 communication	Yes; With loadable FBs, max. configurable connections: 14, max. number of instances: 32	Yes; with loadable FBs, max. configurable connections: 16, max. number of instances: 32
— Isochronous mode	No	No
— IRT	Yes	Yes
— PROFIenergy	Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device	Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device
— Shared device	Yes	Yes
— Number of IO Controllers with shared device, max.	2	2
Transfer memory
— Inputs, max.	1 440 byte; Per IO Controller with shared device	1 440 byte; Per IO Controller with shared device
— Outputs, max.	1 440 byte; Per IO Controller with shared device	1 440 byte; Per IO Controller with shared device
Submodules
— Number, max.	64	64
— User data per submodule, max.	1 024 byte	1 024 byte
PROFINET CBA
● acyclic transmission	Yes	Yes
● cyclic transmission	Yes	Yes
Open IE communication
● Number of connections, max.	8	16
● Local port numbers used at the system end	0, 20, 21, 25, 80, 102, 135, 161, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535	0, 20, 21, 25, 80, 102, 135, 161, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535
● Keep-alive function, supported	Yes	Yes
Protocols
PROFIsafe	No	No
Redundancy mode
Media redundancy
— Switchover time on line break, typ.	200 ms; PROFINET MRP	200 ms; PROFINET MRP
— Number of stations in the ring, max.	50	50
Open IE communication
● TCP/IP	Yes; via integrated PROFINET interface and loadable FBs	Yes; via integrated PROFINET interface and loadable FBs
— Number of connections, max.	8	16
— Data length for connection type 01H, max.	1 460 byte	1 460 byte
— Data length for connection type 11H, max.	32 768 byte	32 768 byte
— several passive connections per port, supported	Yes	Yes
● ISO-on-TCP (RFC1006)	Yes; via integrated PROFINET interface and loadable FBs	Yes; via integrated PROFINET interface and loadable FBs
— Number of connections, max.	8	16
— Data length, max.	32 768 byte	32 768 byte
● UDP	Yes; via integrated PROFINET interface and loadable FBs	Yes; via integrated PROFINET interface and loadable FBs
— Number of connections, max.	8	16
— Data length, max.	1 472 byte	1 472 byte
Web server
● supported	Yes	Yes
● User-defined websites	Yes	Yes
● Number of HTTP clients	5	5
communication functions / header
PG/OP communication	Yes	Yes
Data record routing	Yes	Yes
Global data communication
● supported	Yes	Yes
● Number of GD loops, max.	8	8
● Number of GD packets, max.	8	8
● Number of GD packets, transmitter, max.	8	8
● Number of GD packets, receiver, max.	8	8
● Size of GD packets, max.	22 byte	22 byte
● Size of GD packet (of which consistent), max.	22 byte	22 byte
S7 basic communication
● supported	Yes	Yes
● User data per job, max.	76 byte	76 byte
● User data per job (of which consistent), max.	76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)	76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)
S7 communication
● supported	Yes	Yes
● as server	Yes	Yes
● as client	Yes; via integrated PROFINET interface and loadable FB or via CP and loadable FB	Yes; via integrated PROFINET interface and loadable FB or via CP and loadable FB
● User data per job, max.	See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication)	See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication)
S5 compatible communication
● supported	Yes; via CP and loadable FC	Yes; via CP and loadable FC
communication functions / PROFINET CBA (with set target communication load) / header
● Setpoint for the CPU communication load	50 %	50 %
● Number of remote interconnection partners	32	32
● number of master/device functions	30	30
● total of all master/device connections	1 000	1 000
● data length of all incoming master/device connections, max.	4 000 byte	4 000 byte
● data length of all outgoing master/device connections, max.	4 000 byte	4 000 byte
● Number of device-internal and PROFIBUS interconnections	500	500
● Data length of device-internal und PROFIBUS interconnections, max.	4 000 byte	4 000 byte
● Data length per connection, max.	1 400 byte	1 400 byte
performance data / PROFINET CBA / remote interconnection / with acyclic transfer / header
— Sampling interval, min.	500 ms	500 ms
— Number of incoming interconnections	100	100
— Number of outgoing interconnections	100	100
— Data length of all incoming interconnections, max.	2 000 byte	2 000 byte
— Data length of all outgoing interconnections, max.	2 000 byte	2 000 byte
— Data length per connection, max.	1 400 byte	1 400 byte
performance data / PROFINET CBA / remote interconnection / with cyclic transfer / header
— Transmission frequency: Transmission interval, min.	10 ms	10 ms
— Number of incoming interconnections	200	200
— Number of outgoing interconnections	200	200
— Data length of all incoming interconnections, max.	2 000 byte	2 000 byte
— Data length of all outgoing interconnections, max.	2 000 byte	2 000 byte
— Data length per connection, max.	450 byte	450 byte
performance data / PROFINET CBA / HMI variables via PROFINET / acyclic / header
— Number of stations that can log on for HMI variables (PN OPC/iMap)	3; 2x PN OPC/1x iMap	3; 2x PN OPC/1x iMap
— HMI variable updating	500 ms	500 ms
— Number of HMI variables	200	200
— Data length of all HMI variables, max.	2 000 byte	2 000 byte
performance data / PROFINET CBA / PROFIBUS proxy functionality / header
— supported	Yes	Yes
— Number of linked PROFIBUS devices	16	16
— Data length per connection, max.	240 byte; Slave-dependent	240 byte; Slave-dependent
Number of connections
● overall	16	32
● usable for PG communication	15	31
— reserved for PG communication	1	1
— adjustable for PG communication, min.	1	1
— adjustable for PG communication, max.	15	31
● usable for OP communication	15	31
— reserved for OP communication	1	1
— adjustable for OP communication, min.	1	1
— adjustable for OP communication, max.	15	31
● usable for S7 basic communication	14	30
— reserved for S7 basic communication	0	0
— adjustable for S7 basic communication, min.	0	0
— adjustable for S7 basic communication, max.	14	30
● usable for S7 communication	14	16
— reserved for S7 communication	0	0
— adjustable for S7 communication, min.	0	0
— adjustable for S7 communication, max.	14	16
● total number of instances, max.	32	32
● usable for routing	X1 as MPI: max. 10; X1 as DP master: max. 24; X1 as DP slave (active): max. 14; X2 as PROFINET: 24 max.	X1 as MPI: max. 10; X1 as DP master: max. 24; X1 as DP slave (active): max. 14; X2 as PROFINET: 24 max.
S7 message functions
Number of login stations for message functions, max.	16; Depending on the configured connections for PG/OP and S7 basic communication	32; Depending on the configured connections for PG/OP and S7 basic communication
Process diagnostic messages	Yes	Yes
simultaneously active Alarm_S blocks, max.	300	300
Test commissioning functions
Status block	Yes; Up to 2 simultaneously	Yes; Up to 2 simultaneously
Single step	Yes	Yes
Number of breakpoints	4	4
Status/control
● Status/control variable	Yes	Yes
● Variables	Inputs, outputs, memory bits, DB, times, counters	Inputs, outputs, memory bits, DB, times, counters
● Number of variables, max.	30	30
— of which status variables, max.	30	30
— of which control variables, max.	14	14
Forcing
● Forcing	Yes	Yes
● Forcing, variables	Inputs, outputs	Inputs, outputs
● Number of variables, max.	10	10
Diagnostic buffer
● present	Yes	Yes
● Number of entries, max.	500	500
— adjustable	No	No
— of which powerfail-proof	100; Only the last 100 entries are retained	100; Only the last 100 entries are retained
● Number of entries readable in RUN, max.	499	499
— adjustable	Yes; From 10 to 499	Yes; From 10 to 499
— preset	10	10
Service data
● can be read out	Yes	Yes
Standards, approvals, certificates
CE mark	Yes	Yes
UL approval	Yes; File E239877	Yes
RCM (formerly C-TICK)	Yes	Yes
KC approval	Yes	Yes
EAC (formerly Gost-R)	Yes	Yes
Use in hazardous areas
● ATEX	Yes	Yes
Ambient conditions
Ambient temperature during operation
● min.	-25 °C; = Tmin	-25 °C; = Tmin
● max.	70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use	70 °C; = Tmax; @ 60°C for UL/ATEX/FM use
Ambient temperature during storage/transportation
● min.	-40 °C	-40 °C
● max.	70 °C	70 °C
Altitude during operation relating to sea level
● Installation altitude above sea level, max.	5 000 m	5 000 m
● Ambient air temperature-barometric pressure-altitude	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)
Relative humidity
● With condensation, tested in accordance with IEC 60068-2-38, max.	100 %; RH incl. condensation/frost (no commissioning under condensation conditions)	100 %; RH incl. condensation/frost (no commissioning under condensation conditions)
Resistance
Use in stationary industrial systems
— to biologically active substances according to EN 60721-3-3	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to chemically active substances according to EN 60721-3-3	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-3	Yes; Class 3S4 incl. sand, dust, *	Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
— to biologically active substances according to EN 60721-3-6	Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request	Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to chemically active substances according to EN 60721-3-6	Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *	Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-6	Yes; Class 6S3 incl. sand, dust; *	Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
— Against chemically active substances acc. to EN 60654-4	Yes; Class 3 (excluding trichlorethylene)	Yes; Class 3 (excluding trichlorethylene)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04	* The supplied plug covers must remain in place over the unused interfaces during operation!	* The supplied plug covers must remain in place over the unused interfaces during operation!
configuration / header
Configuration software
● STEP 7	Yes; V5.5 or higher	Yes; V5.5 or higher
configuration / programming / header
● Command set	see instruction list	see instruction list
● Nesting levels	8	8
● System functions (SFC)	see instruction list	see instruction list
● System function blocks (SFB)	see instruction list	see instruction list
Programming language
— LAD	Yes	Yes
— FBD	Yes	Yes
— STL	Yes	Yes
— SCL	Yes	Yes
— CFC	Yes	Yes
— GRAPH	Yes	Yes
— HiGraph®	Yes	Yes
Know-how protection
● User program protection/password protection	Yes	Yes
● Block encryption	Yes; With S7 block Privacy	Yes; With S7 block Privacy
Dimensions
Width	40 mm	40 mm
Height	125 mm	125 mm
Depth	130 mm	130 mm
Weights
Weight, approx.	340 g	340 g

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SIPLUS S7-300 standard CPUs

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