AL8-2 – Programming manual
4189320003D
Page 9/19
ALARM ON OPEN OR CLOSED SIGNAL CONTACT (N/C, N/O)
The "N/O" and "N/C" LEDs indicate the actual function as follows:
NOTE:
Both LEDs are lit simultaneously.
EITHER:
GREEN
N/O
FUNCTION:
RED
N/C
Alarm on closed signal contact
OR:
RED
N/O
FUNCTION:
GREEN
N/C
Alarm on open signal contact
By pressing the
FUNCTION SELECT
push-button, the LEDs switch from one indication
to the other – thus changing the function.
When the indication of the LEDs shows the requested function, this is entered into the
programme memory by pressing the
ENTER
push-button.
Pressing ENTER results in the next function in the order being automatically pointed to:
selection of output relay.