The Siemens 6ES7972-0CA33-0XA0 is a TS Adapter V5.1 for SIMATIC Teleservice, designed to connect remote service engineers to S7-300, S7-400, M7, and C7 controllers over a telephone line. It handles RS-232 to RS-485 conversion internally, so the programming cable on the controller side stays standard. The product package ships without the RS-232 cable, meaning you supply that separately based on your modem or direct serial port.
Siemens 6ES7972-0CA33-0XA0 TS Adapter V5.1, SIMATIC S7 Teles
MPN6ES7972-0CA33-0XA0
Siemens SIMATIC S7 TS Adapter V5.1, 6ES7972-0CA33-0XA0, for teleservice of S7-300/400, M7, C7, RS-232/RS-485 conversion, approx. 200 g.
$208.38Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Weight, approx. | 200 g |
| Belongs to product | SIMATIC S7 |
Product details
Frequently asked questions
Does this adapter include the RS-232 cable?
No. The product package ships without the RS-232 cable. You supply that separately based on your modem or serial port connection.
MPN
6ES7972-0CA33-0XA0