The Siemens 6ES7531-7TF00-0AB0 is an SM 531 analog input module for the S7-1500 system, providing 8 HART channels with 0.1% accuracy. Channels are arranged in groups of 4, each group sharing a common mode voltage limit of 30 V AC or 60 V DC — important to check your field wiring isolation; exceeding that common mode range can damage the front end. Diagnostics and hardware interrupts are built in, and the module supports calibration while remaining in RUN (calibrate-in-RUN), so you can re-zero without a line stop. The delivery includes the infeed element, shielding bracket, and shield terminal — no separate ordering for those accessories. Group code R135 and product group 4501 are the internal Siemens classification; useful when matching spares lists or using Siemens-own cross-reference tools.
Siemens 6ES7531-7TF00-0AB0 AI 8xHART HF, 30 VAC/60 VDC CMV
MPN6ES7531-7TF00-0AB0
Active
Siemens SIMATIC S7-1500, SM 531 analog input module AI 8xHART HF, 8 channels grouped as 4+4, common mode voltage 30 V AC/60 V DC, accuracy 0.1%, diagnostics and calibrate-in-RUN included. Order code: 6ES7531-7TF00-0AB0.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Group code | R135 |
| Product group | 4501 |
| Product class | A: Standard product which is a stock item could be returned within the returns guidelines/period. |
| Series | SM 531 analog input modules |
| Export control regulations | AL : N / ECCN : 9N9999 |
| Compliance with the substance restrictions according to RoHS directive | Since: 30-06-23 |
Product details
Frequently asked questions
What is the group code for this module?
The group code is R135.
What is the product group?
Product group is 4501.
MPN
6ES7531-7TF00-0AB0