Siemens 6ES7134-6TD00-0CA1 SIMATIC ET 200SP Analog HART Input Module
The Siemens 6ES7134-6TD00-0CA1 is a SIMATIC ET 200SP analog HART input module designed for precise acquisition of 4–20 mA signals from 2-wire HART transducers across 4 differential input channels. It is a compact, 15 mm-wide module designed for installation with BU type A0 or A1 base units and provides 16-bit resolution, channel-specific diagnostics, and HART communication support from Revision 5 through Revision 7. The module supports configuration in RUN and is an active PM300 product in the Siemens portfolio.

