Siemens S7-1500, TM PosInput 2; 6ES7551-1AB01-0AB0
SIMATIC S7-1500, TM PosInput 2 counter and position detection module for RS-422 incremental encoder or SSI absolute encoder, 2 channels, 2 DI, 2 DQ per channel...
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| SIMATIC S7-1500, TM PosInput 2 counter and position detection module for RS-422 incremental encoder or SSI absolute encoder, 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&M0 to I&M3 |
| ● Isochronous mode | Yes |
| Engineering with | |
| ● STEP 7 TIA Portal configurable/integrated from version | 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 | 32 byte; 16 bytes per channel; 4 bytes for fast mode |
| ● Outputs | 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" | -5 ... +5 V |
| ● for signal "1" | +11 to +30V |
| ● permissible voltage at input, min. | -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 (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; push-pull encoders only |
| ● RS 422 | Yes |
| 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. | -30 °C |
| ● horizontal installation, max. | 60 °C; Please note derating for inductive loads |
| ● vertical installation, min. | -30 °C |
| ● 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; restrictions for installation altitudes > 2 000 m, see ET 200MP system manual |
| 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: | 5/31/2022 |
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