The Siemens 6ES7134-0HF00-0XB0 is a Simatic ET 200B analog input module with four channels accepting +/-10V or 0(4)..20mA signals. It's a current-production PROFIBUS DP I/O block commonly used in distributed control cabinets to bring analog sensor values into the PLC backplane.
Four analog inputs accept +/- 10V or 0(4)..20mA signals.