Technical Summary
| Product type designation | TM PosInput 2 |
|---|---|
| Number of channels | 2 |
| Encoder support | For RS-422 incremental encoder or SSI absolute encoder |
| Digital inputs | 2 DI per channel |
| Digital outputs | 2 DQ per channel |
| Firmware version | V2.0 |
| Engineering with STEP 7 TIA Portal configurable/integrated from version | V17 |
| PROFINET from GSD version/GSD revision | V2.3 / – |
| Load voltage L+ rated value (DC) | 24 V |
| Load voltage L+ permissible range | 19.2 V … 28.8 V |
| Input current, max. | 75 mA; without load |
| Power consumption from the backplane bus | 1.3 W |
| Power loss, typ. | 5.5 W |
| Rail mounting | Yes; S7-1500 mounting rail |
Key Features
Product type designation: TM PosInput 2
Number of channels: 2
For RS-422 incremental encoder or SSI absolute encoder
2 DI, 2 DQ per channel
Rail mounting: Yes; S7-1500 mounting rail
Product lifecycle: Active Product
Applications
Position detection with RS-422 incremental encoder or SSI absolute encoder signals.
Counter operation on 2 channels for encoder-driven measurement and position input.
Frequently Asked Questions
What is the exact model 6ES7551-1AB01-0AB0 in the SIMATIC S7-1500 range?
It is a SIMATIC S7-1500 TM PosInput 2 counter and position detection module.
How many channels does 6ES7551-1AB01-0AB0 have?
The module has 2 channels.
Which encoder signals does 6ES7551-1AB01-0AB0 support?
It supports RS-422 incremental encoder or SSI absolute encoder signals.
What digital I/O is available per channel on 6ES7551-1AB01-0AB0?
Each channel has 2 DI and 2 DQ.
What are the mounting and supply details for 6ES7551-1AB01-0AB0?
It uses rail mounting on the S7-1500 mounting rail and has a 24 V load voltage L+ with a permissible range of 19.2 V to 28.8 V.
