IBHsoftec IBH S5-Current Loop Converter - 2020

The SMD electronics are located in a solid metal 15 pin Sub­D connector shell. The pin assignment fits the following SIMATIC® PLCs: U90, U95, U100, U101, U115, U135, and U155. The PLC must be active and needs to supply the the loop current (2 x 20mA). The 9 pin Sub­D connector is plugged into the serial port (COM1 ­ COM4) of the PC.