4channel PLC DC amplify board Powerful industrial control solution: This 4channel PLC DC amplify board provides NPN output and supports NPN/PNP inputs at 12/24 VDC, enabling seamless integration into your automation framework. Isolated protection mechanism: Equipped with optocoupler isolation to protect against electrical faults and overloads, enhancing the reliability of your control systems. Spacesaving enclosure: Constructed from flame retardant materials and designed for easy DIN rail mounting to save space and simplify wiring installations. Direct current driving capacity: Suitable for powering hydraulic and pneumatic devices such as solenoids and small motors efficiently for a range of industrial applications. Use scenarios Packaging line control: Drive multiple solenoid valves for filling, sealing, and labeling, with optoisolation protecting the main controller and reducing fault propagation. Conveyor or automated handling: Interface with 12/24 VDC logic signals to drive actuators and small motors on a compact, DINrail mounted controller. Hydraulic/pneumatic actuation panels: Switch solenoids and actuators in machine automation where reliable, current drive and isolation improve performance and safety.