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Output circuits
The relays K1 to K5 (terminals 3 to 17) are used for limit monitoring. There are 5
potential-free change-over contacts available here.
Special features of the UM-O and UM-O Ex equipment versions:
•
Overfill prevention relay cannot be acknowledged:
Relay K1 (terminals 3, 4 and 5)
•
Overfill prevention relay can be acknowledged:
Relay K2 (terminals 6, 7 and 8).
Auxiliary power
The auxiliary power is connected to the terminals PE, N and L of the printed circuit
board. For the 24 V DC version, + must be connected to L and - to N.
External acknowledgement button
It is possible to use an external acknowledgement button (potential-free normally
open contact). This is connected to the Quit terminals (18 and 19).
CAUTION! MAINS VOLTAGE!
Содержание UM-X
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