HYDROCAL 1001+ Installation and operation manual Page 20/76
Function, Gas & Moisture LEDs
of external user interface with 3 multicolor LEDs
Connection ETHERNET communication
Communication connection via Ethernet
The connection sockets are mounted directly on the measurement- and controller card
(must be specified when ordering).
Jumper J1 – Function relay contact (when system is okay, relay is switched on )
The function relay output can operate as a closing or opening contact. The configuration is
selected by the jumper J1, which is located near the connection terminal X2:8:
J1:1-2 Pos. 1 Contact is open, when relay is switched on (Normally Closed)
J1:2-3 Pos. 2 Contact is closed, when relay is switched on (Normally Open)
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