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Model reference

6ES7551-1AB01-0AB0 S7-1500 Automation

Technical SummaryProduct type designationTM PosInput 2Number of channels2Encoder supportFor RS-422 incremental encoder or SSI absolute encoderDigital inputs2 DI per channelDigital outputs2 DQ per channelFirmware versionV2.0Engineering with STEP 7 TIA Portal configurable/integrated from versionV17PROFINET from GSD version/GSD revisionV2.3 / -Load voltage L+ rated value (DC)24 VLoad voltage L+ permissible range19.2 V ... 28.8 VInput current, max.75…

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Product Parameters

Product Code
6ES7551-1AB01-0AB0
Dimensions
19.4 × 16.1 × 4.7 cm
Weight
0.417 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

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

TM PosInput 2 product type designation
Product type designation: TM PosInput 2
2 channels
Number of channels: 2
Encoder input support
For RS-422 incremental encoder or SSI absolute encoder
Digital I/O per channel
2 DI, 2 DQ per channel
Rail mounting
Rail mounting: Yes; S7-1500 mounting rail
Active product
Product lifecycle: Active Product

Applications

Position detection
Position detection with RS-422 incremental encoder or SSI absolute encoder signals.
Counter-based signal acquisition
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.

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