Thermo Fisher Scientific Alpha DO 1000 - Manual (Page 11)

3
3 ELECTRICAL CONNECTION
ENSURE that the power cable is physically separated from the power
supply.
3.1 Connection Diagram
Signal Output Hold Input Alarm Relay 2 Relay 1 Power Mains
DO
mA
-
+
PE/S
PE AC: N L
1 2 5 4 3 6 7 8 9 10 11 12 13 14 15 17 15 16
* ) indicated contact positions are for currentless or no error conditions
Pt100 Signal Input DO
-ve +ve
V
PE/S
DO
18 19 20
21 22