The Siemens 6ES7134-7SD51-0AB0 is a SIMATIC DP electronic module designed for the ET 200iSP distributed I/O system. 

Model: 4 AI (Analog Inputs) for resistance temperature detectors (RTDs)

System Compatibility: ET 200iSP

Supported Sensors: PT100, NI100

Ex Protection: Ex ib (ia Ga) IIC T4 Gb, Ex ib [ia IIIC Da] IIC T4 Gb, Ex ib [ia] I Mb

Measurement Principle: Integrating (Sigma-Delta)

Resolution: 16-bit

Cycle Time: 320ms (all channels)

Cable Length: 500m (shielded)

Diagnostics: Wire-break detection, status LEDs

Dimensions: 30mm (Width) × 129mm (Height) × 136.5mm (Depth)

Weight: Approx. 302g

Product Status: Active