GL200: IO module of GL200 series. Analog signal input. The number of channels is 4.  

300 series CPU, CPU model 321. 3 RJ45 ports. The first two RJ45 (LAN A, LAN B) are switches. 3 serial ports (RS232 and 2 * RS485 included); 1 CAN port; 16 digital inputs (source/drain type). 16-way digital output (source type). Supports Profinet, Ethernet/IP, Ethercat, Modbus TCP Program with Codesys