Product overview
The Siemens 6ES7234-4HE32-0XB0 is a SIMATIC S7-1200 SM 1234 4 AI / 2 AO Analog I/O Module used for combined analog measurement and analog control in one s7-1200 signal module. Typical applications include compact process skids and mixed transmitter and control-valve i/o.
Selection must follow the complete Siemens article number rather than appearance alone. Before ordering, confirm ai and ao channel allocation, voltage or current range for every channel, transmitter loop supply and output load impedance, shielding, common potentials and cpu hardware configuration.
