Article number 6ES7518-4AP00-3AB0 6ES7518-4AX00-1AC0
*** spare part *** SIMATIC S7-1500, CPU 1518-4 PN/DP ODK, central processing unit with ODK runtime interface, work memory 6 MB for program and 60 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFINET basic services, 4th interface: PROFIBUS, 1 ns bit performance, SIMATIC Memory Card required SIMATIC S7-1500, CPU Bundle consisting of: CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0), including C/C++ Runtime and OPC UA Runtime license, 6 MB work memory for program and 60 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFINET basic services, 4th interface: PROFIBUS, 1 ns bit performance, SIMATIC Memory Card (min. 2 GB) required
General information
Product type designation CPU 1518-4 PN/DP ODK CPU 1518-4 PN/DP MFP
HW functional status FS10 FS04
Firmware version V2.9 V3.0
Product function
● I&M data Yes; I&M0 to I&M3
● Isochronous mode Yes; Distributed and central; with minimum OB 6x cycle of 125 µs (distributed) and 1 ms (central)
Engineering with
● STEP 7 TIA Portal configurable/integrated from version V17 (FW V2.9) / V14 (FW V2.0) or higher V18 (FW V3.0); V15 (FW V2.5) or higher
Configuration control
via dataset Yes
Display
Screen diagonal [cm] 6.1 cm
Control elements
Number of keys 6
Mode selector switch 1
Supply voltage
Rated value (DC) 24 V
permissible range, lower limit (DC) 19.2 V
permissible range, upper limit (DC) 28.8 V
Reverse polarity protection Yes
Mains buffering
● Mains/voltage failure stored energy time 5 ms
● Repeat rate, min. 1/s
Input current
Current consumption (rated value) 1.55 A 1.7 A
Current consumption, max. 2 A
Inrush current, max. 2.4 A; Rated value 2 A; Rated value
I²t 0.02 A²·s 0.4 A²·s
Power
Infeed power to the backplane bus 12 W
Power consumption from the backplane bus (balanced) 30 W 35 W
Power loss
Power loss, typ. 24 W 29 W
Memory
Number of slots for SIMATIC memory card 1
SIMATIC memory card required Yes
Work memory
● integrated (for program) 6 Mbyte
● integrated (for data) 60 Mbyte
● integrated (for CPU function library of CPU Runtime) 50 Mbyte; Note: The "CPU function library of the CPU" are C/C++ blocks for the user program that were created using the SIMATIC ODK 1500S or Target 1500S.
Working memory for additional functions
● Integrated (for C/C++ Runtime application) 1 024 Mbyte
● available (for Linux runtime application) 1 Gbyte
Load memory
● Plug-in (SIMATIC Memory Card), max. 32 Gbyte 32 Gbyte; the memory card must have at least 2 GB of space on it
Backup
● maintenance-free Yes
CPU processing times
for bit operations, typ. 1 ns
for word operations, typ. 2 ns
for fixed point arithmetic, typ. 2 ns
for floating point arithmetic, typ. 6 ns
CPU-blocks
Number of elements (total) 20 000; Blocks (OB, FB, FC, DB) and UDTs
DB
● Number range 1 ... 60 999; subdivided into: number range that can be used by the user: 1 ... 59 999, and number range of DBs created via SFC 86: 60 000 ... 60 999
● Size, max. 16 Mbyte; For DBs with absolute addressing, the max. size is 64 KB
FB
● Number range 0 ... 65 535
● Size, max. 1 Mbyte
FC
● Number range 0 ... 65 535
● Size, max. 1 Mbyte
OB
● Size, max. 1 Mbyte
● Number of free cycle OBs 100
● Number of time alarm OBs 20
● Number of delay alarm OBs 20
● Number of cyclic interrupt OBs 20; with minimum OB 3x cycle of 100 µs
● Number of process alarm OBs 50
● Number of DPV1 alarm OBs 3
● Number of isochronous mode OBs 3
● Number of technology synchronous alarm OBs 2
● Number of startup OBs 100
● Number of asynchronous error OBs 4
● Number of synchronous error OBs 2
● Number of diagnostic alarm OBs 1
Nesting depth
● per priority class 24
Counters, timers and their retentivity
S7 counter
● Number 2 048
Retentivity
— adjustable Yes
IEC counter
● Number Any (only limited by the main memory)
Retentivity
— adjustable Yes
S7 times
● Number 2 048
Retentivity
— adjustable Yes
IEC timer
● Number Any (only limited by the main memory)
Retentivity
— adjustable Yes
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max. 768 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 700 KB
Extended retentive data area (incl. timers, counters, flags), max. 20 Mbyte; When using PS 6 0W 24/48/60 V DC HF
Flag
● Size, max. 16 kbyte
● Number of clock memories 8; 8 clock memory bit, grouped into one clock memory byte
Data blocks
● Retentivity adjustable Yes
● Retentivity preset No
Local data
● per priority class, max. 64 kbyte; max. 16 KB per block
Address area
Number of IO modules 16 384; max. number of modules / submodules
I/O address area
● Inputs 32 kbyte; All inputs are in the process image
● Outputs 32 kbyte; All outputs are in the process image
per integrated IO subsystem
— Inputs (volume) 32 kbyte; max. 32 KB via X1; max. 8 KB via X2 or X4
— Outputs (volume) 32 kbyte; max. 32 KB via X1; max. 8 KB via X2 or X4
per CM/CP
— Inputs (volume) 8 kbyte
— Outputs (volume) 8 kbyte
Subprocess images
● Number of subprocess images, max. 32
Hardware configuration
Number of distributed IO systems 64; A distributed I/O system is characterized not only by the integration of distributed I/O via PROFINET or PROFIBUS communication modules, but also by the connection of I/O via AS-i master modules or links (e.g. IE/PB-Link)
Number of DP masters
● integrated 1
● Via CM 8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total
Number of IO Controllers
● integrated 2
● Via CM 8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total
Rack
● Modules per rack, max. 32; CPU + 31 modules
● Number of lines, max. 1
PtP CM
● Number of PtP CMs the number of connectable PtP CMs is only limited by the number of available slots
Time of day
Clock
● Type Hardware clock
● Backup time 6 wk; At 40 °C ambient temperature, typically
● Deviation per day, max. 10 s; Typ.: 2 s
Operating hours counter
● Number 16
Clock synchronization
● supported Yes
● to DP, master Yes
● in AS, master Yes
● in AS, device Yes
● on Ethernet via NTP Yes
Interfaces
Number of PROFINET interfaces 3
Number of PROFIBUS interfaces 1
1. Interface
Interface types
● RJ 45 (Ethernet) Yes; X1
● Number of ports 2
● integrated switch Yes
Protocols
● IP protocol Yes; IPv4
● PROFINET IO Controller Yes
● PROFINET IO Device Yes
● SIMATIC communication Yes
● Open IE communication Yes; Optionally also encrypted
● Web server Yes
● Media redundancy Yes
PROFINET IO Controller
Services
— PG/OP communication Yes
— Isochronous mode Yes
— Direct data exchange Yes; Requirement: IRT and isochronous mode (MRPD optional)
— IRT Yes
— PROFIenergy Yes; per user program
— Prioritized startup Yes; Max. 32 PROFINET devices
— Number of connectable IO Devices, max. 512; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
— Of which IO devices with IRT, max. 64
— Number of connectable IO Devices for RT, max. 512
— of which in line, max. 512
— Number of IO Devices that can be simultaneously activated/deactivated, max. 8; in total across all interfaces
— Number of IO Devices per tool, max. 8
— Updating times The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
Update time for IRT
— for send cycle of 125 µs 125 µs
— for send cycle of 187.5 µs 187.5 µs
— for send cycle of 250 µs 250 µs to 4 ms
— for send cycle of 500 µs 500 µs to 8 ms
— for send cycle of 1 ms 1 ms to 16 ms
— for send cycle of 2 ms 2 ms to 32 ms
— for send cycle of 4 ms 4 ms to 64 ms
— With IRT and parameterization of "odd" send cycles Update time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs)
Update time for RT
— for send cycle of 250 µs 250 µs to 128 ms
— for send cycle of 500 µs 500 µs to 256 ms
— for send cycle of 1 ms 1 ms to 512 ms
— for send cycle of 2 ms 2 ms to 512 ms
— for send cycle of 4 ms 4 ms to 512 ms
PROFINET IO Device
Services
— PG/OP communication Yes
— Isochronous mode No
— IRT Yes; Minimum send cycle of 250 µs
— PROFIenergy Yes; per user program
— Shared device Yes
— Number of IO Controllers with shared device, max. 4
— activation/deactivation of I-devices Yes; per user program
— Asset management record Yes; per user program
2. Interface
Interface types
● RJ 45 (Ethernet) Yes; X2
● Number of ports 1
● integrated switch No
Protocols
● IP protocol Yes; IPv4
● PROFINET IO Controller Yes
● PROFINET IO Device Yes
● SIMATIC communication Yes
● Open IE communication Yes; Optionally also encrypted
● Web server Yes
● Media redundancy No
PROFINET IO Controller
Services
— PG/OP communication Yes
— Isochronous mode No
— Direct data exchange No
— IRT No
— PROFIenergy Yes; per user program
— Prioritized startup No
— Number of connectable IO Devices, max. 128; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
— Number of connectable IO Devices for RT, max. 128
— of which in line, max. 128
— Number of IO Devices that can be simultaneously activated/deactivated, max. 8; in total across all interfaces
— Number of IO Devices per tool, max. 8
— Updating times The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
Update time for RT
— for send cycle of 1 ms 1 ms to 512 ms
PROFINET IO Device
Services
— PG/OP communication Yes
— Isochronous mode No
— IRT No
— PROFIenergy Yes; per user program
— Prioritized startup No
— Shared device Yes
— Number of IO Controllers with shared device, max. 4
— activation/deactivation of I-devices Yes; per user program
— Asset management record Yes; per user program
3. Interface
Interface types
● RJ 45 (Ethernet) Yes; X3
● Number of ports 1 1; C/C++ Runtime can also be reached via this port
● integrated switch No
Protocols
● IP protocol Yes; IPv4
● PROFINET IO Controller No
● PROFINET IO Device No
● SIMATIC communication Yes
● Open IE communication Yes
● Web server Yes
4. Interface
Interface types
● RS 485 Yes; X4
● Number of ports 1
Protocols
● PROFIBUS DP master Yes
● PROFIBUS DP device No
● SIMATIC communication Yes
PROFIBUS DP master
● Number of connections, max. 48; for the integrated PROFIBUS DP interface
● max. number of DP devices 125; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET
Services
— PG/OP communication Yes
— Equidistance Yes
— Isochronous mode Yes
— activation/deactivation of DP devices Yes
Interface types
RJ 45 (Ethernet)
● 100 Mbps Yes
● 1000 Mbps Yes; Only possible at the X3 interface of the CPU 1518
● Autonegotiation Yes
● Autocrossing Yes
● Industrial Ethernet status LED Yes
RS 485
● Transmission rate, max. 12 Mbit/s
Protocols
PROFIsafe No
Number of connections
● Number of connections, max. 384; via integrated interfaces of the CPU and connected CPs / CMs
● Number of connections reserved for ES/HMI/web 10
● Number of connections via integrated interfaces 320
● Number of S7 routing paths 64; in total, only 16 S7-Routing connections are supported via PROFIBUS
Redundancy mode
● H-Sync forwarding Yes
Media redundancy
— Media redundancy only via 1st interface (X1)
— MRP Yes; MRP Automanager according to IEC 62439-2 Edition 2.0, MRP Manager; MRP Client
— MRP interconnection, supported Yes; as MRP ring node according to IEC 62439-2 Edition 3.0
— MRPD Yes; Requirement: IRT
— Switchover time on line break, typ. 200 ms; For MRP, bumpless for MRPD
— Number of stations in the ring, max. 50
SIMATIC communication
● PG/OP communication Yes; encryption with TLS V1.3 pre-selected
● S7 routing Yes
● Data record routing Yes
● S7 communication, as server Yes
● S7 communication, as client Yes
● User data per job, max. See online help (S7 communication, user data size)
Open IE communication
● TCP/IP Yes
— Data length, max. 64 kbyte
— several passive connections per port, supported Yes
● ISO-on-TCP (RFC1006) Yes
— Data length, max. 64 kbyte
● UDP Yes
— Data length, max. 2 kbyte; 1 472 bytes for UDP broadcast
— UDP multicast Yes; 128 multicast circuits (of which max. 5 via X1)
● DHCP Yes
● DNS Yes
● SNMP Yes Yes; disconnected by default
● DCP Yes
● LLDP Yes
● Encryption Yes; Optional
Web server
● HTTP Yes; Standard and user pages
● HTTPS Yes; Standard and user pages
OPC UA
● Runtime license required Yes; "Large" license required
● OPC UA Client Yes Yes; Data Access (registered Read/Write), Method Call
— Application authentication Yes
— Security policies Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
— User authentication "anonymous" or by user name & password
— Number of connections, max. 40
— Number of nodes of the client interfaces, recommended max. 5 000
— Number of elements for one call of OPC_UA_NodeGetHandleList/OPC_UA_ReadList/OPC_UA_WriteList, max. 300
— Number of elements for one call of OPC_UA_NameSpaceGetIndexList, max. 20
— Number of elements for one call of OPC_UA_MethodGetHandleList, max. 100
— Number of simultaneous calls of the client instructions for session management, per connection, max. 1
— Number of simultaneous calls of the client instructions for data access, per connection, max. 5
— Number of registerable nodes, max. 5 000
— Number of registerable method calls of OPC_UA_MethodCall, max. 100
— Number of inputs/outputs when calling OPC_UA_MethodCall, max. 20
● OPC UA Server Yes; Data access (read, write, subscribe), method call, custom address space Yes; Data Access (Read, Write, Subscribe), Method Call, Alarms & Condition (A&C), Custom Address Space
— Application authentication Yes
— Security policies Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256 available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256, Aes128Sha256RsaOaep, Aes256Sha256RsaPss
— User authentication "anonymous" or by user name & password
— GDS support (certificate management) Yes
— Number of sessions, max. 64
— Number of accessible variables, max. 200 000
— Number of registerable nodes, max. 50 000
— Number of subscriptions per session, max. 20 50
— Sampling interval, min. 10 ms
— Publishing interval, min. 10 ms
— Number of server methods, max. 100
— Number of inputs/outputs per server method, max. 20
— Number of monitored items, recommended max. 10 000; for 1 s sampling interval and 1 s send interval 24 000; for 1 s sampling interval and 1 s send interval
— Number of server interfaces, max. 10 of each "Server interfaces" / "Companion specification" type and 20 of the type "Reference namespace"
— Number of nodes for user-defined server interfaces, max. 30 000
● Alarms and Conditions Yes
— Number of program alarms 400
— Number of alarms for system diagnostics 200
Further protocols
● MODBUS Yes; MODBUS TCP
Isochronous mode
Equidistance Yes
S7 message functions
Number of login stations for message functions, max. 64
Program alarms Yes
Number of configurable program messages, max. 10 000; Program messages are generated by the "Program_Alarm" block, ProDiag or GRAPH
Number of loadable program messages in RUN, max. 5 000
Number of simultaneously active program alarms
● Number of program alarms 4 000
● Number of alarms for system diagnostics 1 000
● Number of alarms for motion technology objects 480
Test commissioning functions
Joint commission (Team Engineering) Yes; Parallel online access possible for up to 10 engineering systems
Status block Yes; Up to 16 simultaneously (in total across all ES clients)
Single step No
Number of breakpoints 20
Status/control
● Status/control variable Yes
● Variables Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters
● Number of variables, max.
— of which status variables, max. 200; per job
— of which control variables, max. 200; per job
Forcing
● Forcing Yes
● Forcing, variables Peripheral inputs/outputs
● Number of variables, max. 200
Diagnostic buffer
● present Yes
● Number of entries, max. 3 200
— of which powerfail-proof 1 000
Traces
● Number of configurable Traces 8; Up to 512 KB of data per trace are possible
Interrupts/diagnostics/status information
Diagnostics indication LED
● RUN/STOP LED Yes
● ERROR LED Yes
● MAINT LED Yes
● Connection display LINK TX/RX Yes
Supported technology objects
Motion Control Yes; Note: The number of technology objects affects the cycle time of the PLC program; selection guide via the TIA Selection Tool
● Number of available Motion Control resources for technology objects 15 360
● Required Motion Control resources
— per speed-controlled axis 40
— per positioning axis 80
— per synchronous axis 160
— per external encoder 80
— per output cam 20
— per cam track 160
— per probe 40
● Positioning axis
— Number of positioning axes at motion control cycle of 4 ms (typical value) 140
— Number of positioning axes at motion control cycle of 8 ms (typical value) 192
Controller
● PID_Compact Yes; Universal PID controller with integrated optimization
● PID_3Step Yes; PID controller with integrated optimization for valves
● PID-Temp Yes; PID controller with integrated optimization for temperature
Counting and measuring
● High-speed counter Yes
Standards, approvals, certificates
Ecological footprint
● environmental product declaration Yes
Global warming potential
— global warming potential, (total) [CO2 eq] 570 kg
— global warming potential, (during production) [CO2 eq] 96.9 kg
— global warming potential, (during operation) [CO2 eq] 483 kg
— global warming potential, (after end of life cycle) [CO2 eq] -9.97 kg
Ambient conditions
Ambient temperature during operation
● horizontal installation, min. 0 °C
● horizontal installation, max. 60 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off
● vertical installation, min. 0 °C
● vertical installation, max. 40 °C; Display: 40 °C, at an operating temperature of typically 40 °C, the display is switched off
Ambient temperature during storage/transportation
● min. -40 °C
● max. 70 °C
Altitude during operation relating to sea level
● Installation altitude above sea level, max. 5 000 m; Restrictions for installation altitudes > 2 000 m, see manual
configuration / header
configuration / programming / header
Programming language
— LAD Yes
— FBD Yes
— STL Yes
— SCL Yes
— CFC Yes
— GRAPH Yes
Know-how protection
● User program protection/password protection Yes
● Copy protection Yes
● Block protection Yes
Access protection
● protection of confidential configuration data Yes
● Password for display Yes
● Protection level: Write protection Yes
● Protection level: Read/write protection Yes
● Protection level: Complete protection Yes
programming / cycle time monitoring / header
● lower limit adjustable minimum cycle time
● upper limit adjustable maximum cycle time
Open Development interfaces
● Size of ODK SO file, max. 9.8 Mbyte
Dimensions
Width 175 mm
Height 147 mm
Depth 129 mm
Weights
Weight, approx. 1 988 g 2 093 g
last modified: 10/9/2024