Product Overview
Applications
Supports continuous counting, hardware and software gates, event-controlled stop, and synchronization via digital input.
Supports incremental and absolute acquisition for position detection.
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 |
| Digital inputs | 4; 2 per channel |
| Digital outputs | 4 transistor outputs; 2 per channel |
| Load supply | 24 V DC; permissible range 19.2 V to 28.8 V |
| Counting frequency | 4 MHz; with quadruple evaluation |
| Mounting | S7-1500 mounting rail |
Key Features
Supports RS-422 incremental encoders and SSI absolute encoders; TTL 5 V is supported for push-pull encoders only.
Has 2 channels, 4 digital inputs and 4 transistor digital outputs, with 2 inputs and 2 outputs per channel.
Provides 2 counters, incremental and absolute acquisition, and a maximum counting frequency of 4 MHz with quadruple evaluation.
Uses S7-1500 mounting rail installation and a 24 V DC load supply with a permissible range of 19.2 V to 28.8 V.
Frequently Asked Questions
What is the exact product type of Siemens 6ES7551-1AB00-0AB0?
It is a TM PosInput 2 module.
Which encoder signals does the module support?
It supports RS-422 incremental encoders and SSI absolute encoders. TTL 5 V is supported for push-pull encoders only.
How many channels and digital I/O points does it have?
It has 2 channels, with 2 digital inputs and 2 transistor digital outputs per channel.
What mounting and supply details should be retained in the quotation?
It uses an S7-1500 mounting rail and a 24 V DC load supply with a permissible range of 19.2 V to 28.8 V.
