Article number 6AG1551-1AB00-7AB0 6AG1551-1AB01-7AB0
SIPLUS S7-1500 TM Posinput 2 based on 6ES7551-1AB00-0AB0 with conformal coating, -25…+70 °C, counting and position feedback module, 2 channels, for RS-422 incremental encoder or SSI absolute encoder, 2 DI, 2 DQ per channel SIPLUS S7-1500 TM PosInput 2 based on 6ES7551-1AB01-0AB0 with conformal coating -40...+70 °C . counter and position detection module for RS-422 incremental encoder or SSI absolute encoder, 2 channels, 2 DI, 2 DQ per channel 2 channels, 2 DI, 2 DQ per channel
General information
Product type designation TM PosInput 2
Firmware version V2.0
● FW update possible Yes
Number of channels 2
Product function
● I&M data Yes; I&M 0 Yes; I&M0 to I&M3
● Isochronous mode Yes
Engineering with
● STEP 7 TIA Portal configurable/integrated from version V12 SP1 / V12 SP1 V17
● PROFIBUS from GSD version/GSD revision GSD Revision 5
● PROFINET from GSD version/GSD revision V2.3 / -
Installation type/mounting
Rail mounting Yes; S7-1500 mounting rail
Supply voltage
Load voltage L+
● 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
Input current
Current consumption, max. 75 mA; without load
Encoder supply
Number of outputs 4; One 5V and 24V encoder supply per channel
5 V encoder supply
● 5 V Yes; 5.2 V ±2 %
● Short-circuit protection Yes
● Output current, max. 300 mA; Per channel
24 V encoder supply
● 24 V Yes; L+ (-0.8 V)
● Short-circuit protection Yes
● Output current, max. 300 mA; Per channel
Power
Power available from the backplane bus 1.3 W
Power loss
Power loss, typ. 5.5 W
Address area
Address space per module
● Inputs 16 byte; Per channel 32 byte; 16 bytes per channel; 4 bytes for fast mode
● Outputs 12 byte; per channel; 4 bytes for Motion Control 24 byte; 12 bytes per channel; 4 bytes for Motion Control, 0 bytes for fast mode
Digital inputs
Number of digital inputs 4; 2 per channel
Digital inputs, parameterizable Yes
Input characteristic curve in accordance with IEC 61131, type 3 Yes
Digital input functions, parameterizable
● Gate start/stop Yes; only for pulse and incremental encoders
● Capture Yes
● Synchronization Yes; only for pulse and incremental encoders
● Freely usable digital input Yes
Input voltage
● Type of input voltage DC
● Rated value (DC) 24 V
● for signal "0" -30 to +5 V -5 ... +5 V
● for signal "1" +11 to +30V
● permissible voltage at input, min. -30 V -30 V; -5 V continuous, -30 V brief reverse polarity protection
● permissible voltage at input, max. 30 V
Input current
● for signal "1", typ. 2.5 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable Yes; none / 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20 ms
— at "0" to "1", min. 6 µs; for parameterization "none"
— at "1" to "0", min. 6 µs; for parameterization "none"
for technological functions
— parameterizable Yes
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Digital outputs
Type of digital output Transistor
Number of digital outputs 4; 2 per channel
Digital outputs, parameterizable Yes
Short-circuit protection Yes; electronic/thermal
● Response threshold, typ. 1 A
Limitation of inductive shutdown voltage to L+ (-33 V)
Controlling a digital input Yes
Digital output functions, parameterizable
● Switching tripped by comparison values Yes
● Freely usable digital output Yes
Switching capacity of the outputs
● with resistive load, max. 0.5 A; Per digital output
● on lamp load, max. 5 W
Load resistance range
● lower limit 48 Ω
● upper limit 12 kΩ
Output voltage
● Type of output voltage DC
● for signal "1", min. 23.2 V; L+ (-0.8 V)
Output current
● for signal "1" rated value 0.5 A; Per digital output
● for signal "1" permissible range, max. 0.6 A; Per digital output
● for signal "1" minimum load current 2 mA
● for signal "0" residual current, max. 0.5 mA
Output delay with resistive load
● "0" to "1", max. 50 µs
● "1" to "0", max. 50 µs
Switching frequency
● with resistive load, max. 10 kHz
● with inductive load, max. 0.5 Hz; Acc. to IEC 60947-5-1, DC-13; observe derating curve
● on lamp load, max. 10 Hz
Total current of the outputs
● Current per module, max. 2 A
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Encoder
Encoder signals, incremental encoder (symmetrical)
● Input voltage RS 422
● Input frequency, max. 1 MHz
● Counting frequency, max. 4 MHz; with quadruple evaluation
● Cable length, shielded, max. 32 m; at 1 MHz
● Signal filter, parameterizable Yes
● Incremental encoder with A/B tracks, 90° phase offset Yes
● Incremental encoder with A/B tracks, 90° phase offset and zero track Yes
● pulse encoder Yes
● Pulse encoder with direction Yes
● pulse encoder with one impulse signal per count direction Yes
Encoder signals, incremental encoder (asymmetrical)
● Input voltage 5 V TTL 5 V TTL (push-pull encoders only)
● Input frequency, max. 1 MHz
● Counting frequency, max. 4 MHz; with quadruple evaluation
● Signal filter, parameterizable Yes
● Incremental encoder with A/B tracks, 90° phase offset Yes
● Incremental encoder with A/B tracks, 90° phase offset and zero track Yes
● pulse encoder Yes
● pulse encoder with direction Yes
● pulse encoder with one impulse signal per count direction Yes
Encoder signals, absolute encoder (SSI)
● Input signal to RS-422
● Telegram length, parameterizable 10 ... 40 bit
● Clock frequency, max. 2 MHz; 125 kHz, 250 kHz, 500 kHz, 1 MHz, 1.5 MHz or 2 MHz
● Binary code Yes
● Gray code Yes
● Cable length, shielded, max. 320 m; Cable length, RS-422 SSI absolute encoders, Siemens type 6FX2001-5, 24 V supply: 125 kHz, 320 meters shielded, max.; 250 kHz, 160 meters shielded, max.; 500 kHz, 60 meters shielded, max.; 1 MHz, 20 meters shielded, max. 1.5 MHz, 10 meters shielded, max.; 2 MHz, 8 meters shielded, max.
● Parity bit, parameterizable Yes
● Monoflop time 16, 32, 48, 64 µs & automatic
● Multiturn Yes
● Singleturn Yes
Interface types
● TTL 5 V Yes Yes; push-pull encoders only
● RS 422 Yes
Isochronous mode
Filtering and processing time (TCI), min. 130 µs; only for pulse and incremental encoders
Bus cycle time (TDP), min. 250 µs
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarm Yes
● Hardware interrupt Yes
Diagnoses
● Monitoring the supply voltage Yes
● Wire-break Yes
● Short-circuit Yes
● A/B transition error at incremental encoder Yes
● Telegram error at SSI encoder Yes
Diagnostics indication LED
● RUN LED Yes; green LED
● ERROR LED Yes; red LED
● MAINT LED Yes; Yellow LED
● Monitoring of the supply voltage (PWR-LED) Yes; green LED
● Channel status display Yes; green LED
● for channel diagnostics Yes; red LED
Integrated Functions
Counter Yes
● Number of counters 2
● Counting frequency, max. 4 MHz; with quadruple evaluation
Fast mode Yes
Counting functions
● Can be used with TO High_Speed_Counter Yes; only for pulse and incremental encoders
● Continuous counting Yes
● Counter response parameterizable Yes
● Hardware gate via digital input Yes
● Software gate Yes
● Event-controlled stop Yes
● Synchronization via digital input Yes
● Counting range, parameterizable Yes
Comparator
— Number of comparators 2; Per channel
— Direction dependency Yes
— Can be changed from user program Yes
Position detection
● Incremental acquisition Yes
● Absolute acquisition Yes
● Suitable for S7-1500 Motion Control Yes
Measuring functions
● Measuring time, parameterizable Yes
● Dynamic measurement period adjustment Yes
● Number of thresholds, parameterizable 2
Measuring range
— Frequency measurement, min. 0.04 Hz
— Frequency measurement, max. 4 MHz
— Cycle duration measurement, min. 0.25 µs
— Cycle duration measurement, max. 25 s
Accuracy
— Frequency measurement 100 ppm; depending on measuring interval and signal evaluation
— Cycle duration measurement 100 ppm; depending on measuring interval and signal evaluation
— Velocity measurement 100 ppm; depending on measuring interval and signal evaluation
Potential separation
Potential separation channels
● between the channels No
● between the channels and backplane bus Yes
● Between the channels and load voltage L+ No
Isolation
Isolation tested with 707 V DC (type test)
Ambient conditions
Ambient temperature during operation
● horizontal installation, min. -40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C -40 °C; = Tmin (incl. condensation/frost)
● horizontal installation, max. 70 °C; Please note derating for inductive loads
● vertical installation, min. 0 °C -40 °C; = Tmin (incl. condensation/frost)
● vertical installation, max. 40 °C; Please note derating for inductive loads
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
● 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)
Relative humidity
● With condensation, tested in accordance with IEC 60068-2-38, max. 100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Resistance
Coolants and lubricants
— Resistant to commercially available coolants and lubricants Yes; Incl. diesel and oil droplets in the air
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
— 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); *
— to mechanically active substances according to EN 60721-3-3 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
— 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); *
— to mechanically active substances according to EN 60721-3-6 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)
— 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)
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!
Conformal coating
● Coatings for printed circuit board assemblies acc. to EN 61086 Yes; Class 2 for high reliability
● Protection against fouling acc. to EN 60664-3 Yes; Type 1 protection
● Military testing according to MIL-I-46058C, Amendment 7 Yes; Discoloration of coating possible during service life
● Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A Yes; Conformal coating, Class A
Decentralized operation
to SIMATIC S7-300 Yes
to SIMATIC S7-400 Yes
to SIMATIC S7-1200 Yes
to SIMATIC S7-1500 Yes
to standard PROFIBUS master Yes
to standard PROFINET controller Yes
Dimensions
Width 35 mm
Height 147 mm
Depth 129 mm
Weights
Weight, approx. 325 g
last modified: 3/12/2024