Input Expansion Module
Automation system there are many sensors and control outputs like solenoid valves, they usually need 3 wires: 24V power, 0V and signal. With this device, 24V and 0V power supply has been shared for input/output, thus saving wire and making the system more compact and beautiful. The terminal only needs to press the 40-pin IDC cable to pull it to the control cabinet. The product has a power indicator and self-recovery fuse for system protection.