Siemens Industrial Automation

6ES7551-1AB01-0AB0

Siemens 6ES7551-1AB01-0AB0 TM PosInput 2 module with 2 channels, RS-422 and SSI encoder support, 24 V supply, V2.0 firmware. Verify your legacy part.

Complete Product Information
Product Code
6ES7551-1AB01-0AB0
Dimensions
19.4 × 16.1 × 4.7 cm
Weight
0.417 kg
Lifecycle
Active Product
Availability
Check availability with quotation
Lead Time
Confirmed with quotation
Product Attachment
Download technical file

Availability, lead time, condition and warranty are confirmed for each quotation.

Product Information

Technical Product Information

Product Description

Key Features

  • Encoder and channel configuration: TM PosInput 2 counter and position detection module for RS-422 incremental encoder or SSI absolute encoder, with 2 channels.
  • Digital I/O: 2 digital inputs and 2 digital outputs per channel; inputs and outputs are parameterizable.
  • Encoder performance: Input frequency up to 1 MHz and 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 engineering: Firmware version V2.0; FW update possible. Configurable/integrated with STEP 7 TIA Portal from V17.

Applications

  • Counting: Supports continuous counting, event-controlled stop, hardware gate via digital input, software gate and synchronization via digital input.
  • Position detection: Supports incremental and absolute acquisition and is suitable for S7-1500 Motion Control.
  • Measurement: Supports frequency, cycle duration and velocity measurement with parameterizable measuring time.

Technical Summary

Product type TM PosInput 2
Product lifecycle Active Product
Number of channels 2
Encoder interfaces RS-422 incremental encoder; SSI absolute encoder to RS-422
Digital I/O 4 digital inputs; 4 digital outputs
Load voltage L+ 24 V DC rated; 19.2 V to 28.8 V permissible range
Counting frequency, max. 4 MHz; with quadruple evaluation
Firmware version V2.0
Mounting S7-1500 mounting rail

Frequently Asked Questions

What exact order number should be confirmed for this module?

Confirm order number 6ES7551-1AB01-0AB0 and product type TM PosInput 2.

Which firmware version does the module have?

The supplied module data gives firmware version V2.0, and FW update is possible.

Which encoder interfaces and channel capacity should be checked?

Check support for RS-422 incremental encoders or SSI absolute encoders and the 2-channel configuration.

How is the module mounted?

It has rail mounting for an S7-1500 mounting rail.

Product Information

RFQ Information

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01Which product reference should I send?

Send the complete model, order number or MLFB shown on the product. Include the hardware version when it matters.

02How are supply terms confirmed?

Availability, condition, lead time, warranty and delivery terms are stated for the specific quotation.

03What helps with replacement requests?

Share the installed model, application, electrical and mechanical requirements, communication interface and a clear nameplate photo.

Product RFQ

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