Siemens SM1234 Analog input/output, 13-bit resolution Part number 6ES7234-4HE32-0XB0

Using the analogue input/output module SM 1234 AE/AA - 6ES7234-4HE32-0XB0 from Siemens your SIMATIC S7-1200 controller can be expanded by 4 analogue inputs and 2 analogue outputs. The analogue input/output processes and/or provides signals with +/- 10 V at a resolution of 14 bits or 0 (4) to 20 mA with a resolution of 13 bits.