Product Description
Key Features
- TM PosInput 2 identity: SIMATIC S7-1500 TM PosInput 2 module for counter and position detection.
- Encoder interfaces: Supports RS-422 incremental encoders and SSI absolute encoders; TTL 5 V is supported for push-pull encoders only.
- Channels and I/O: 2 channels, 4 digital inputs and 4 digital outputs total; 2 inputs and 2 outputs per channel.
- Counter performance: 2 counters with counting frequency up to 4 MHz with quadruple evaluation.
- Supply and mounting: Rated load voltage: 24 V DC; permissible range: 19.2 V to 28.8 V. Rail mounting on an S7-1500 mounting rail.
- Firmware and lifecycle data: Firmware version V1.3; firmware update possible. Product lifecycle: Start of final year of support.
Applications
- Counter operation: The module supports continuous counting, hardware and software gates, event-controlled stop, and synchronization via digital input.
- Position detection: The module supports incremental and absolute position acquisition and is suitable for S7-1500 Motion Control.
- Measurement functions: The module supports frequency, cycle duration, and velocity measurement with parameterizable measuring time.
Technical Summary
| Product type | TM PosInput 2 |
|---|---|
| Channels | 2 |
| Encoder support | RS-422 incremental encoder; SSI absolute encoder |
| Counters | 2 |
| Counting frequency, max. | 4 MHz; with quadruple evaluation |
| Digital inputs | 4; 2 per channel |
| Digital outputs | 4; 2 per channel |
| Load voltage L+, rated value | 24 V DC |
| Firmware version | V1.3 |
| Rail mounting | Yes; S7-1500 mounting rail |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
Which encoder interfaces should be confirmed for 6ES7551-1AB00-0AB0?
Confirm whether the installed configuration uses an RS-422 incremental encoder or an SSI absolute encoder. TTL 5 V is supported for push-pull encoders only.
What firmware version is supplied for 6ES7551-1AB00-0AB0?
The supplied firmware version is V1.3, and firmware update is possible.
What lifecycle information is available for this Siemens module?
The product lifecycle data states: Start of final year of support. Confirm the requested quantity, destination, and condition preference for the part request.
