CPU (Differential input/output + NPN output)
Temperature control module, 2 channels, relay output
RS-485/RS-422 serial communication module (for left side extension)
Built-in Ethernet CPU module :AHCPU500-ENAHCPU510-ENAHCPU511-ENAHCPU520-ENAHCPU521-ENAHCPU530-ENAHCPU531-EN
DeviceNet/CANopen cable distribution box
