Operating Manual alpha DO 1000
5
Pt100
RELAY1
LNPE
100mA
(F)
FUSE 250VAC
HOLD
LARMRELAY2
NC
-
+
DO Probe
J2
IMPORTANT: The Alarm relay functions as an “Active Low” device
i.e. it switches OFF under Alarm condition. Therefore the Alarm
display device should be connected to the ‘NC’ contacts of the
relay.
