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I/O CONNECTIONS
EDU 2AE control unit series have connectors placed on the back panel. These connectors allow to enable
functions through inputs and to take signals through outputs. The inputs are activated by connecting them to
ground. A positive voltage must NEVER be brought to these inputs. Bringing 24V to the unit inputs could
damage the inputs themselves. As seen from the picture below, to enable the inputs it is recommended to
bring a clean contact by using a relay or a simple switch or button.
As for the outputs, they are all PNP type with active function. On each pin you will have 24V DC.
These pins can be used directly connected to PNP inputs (PLC) or used to turn on LEDs, buzzers or other
devices with 24V power supply. The maximum total power of the outputs is about 400mA. Using inductive
loads such as relays or other loads with an initial consumption peak greater than 400mA will send all
outputs to protection, displaying the message "output disable". To restore the outputs after a protection, turn
off and turn on the unit again.
Vers. 210920
7
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