Walchem WDSW100 Instruction Manual page 12

WDIS410 or WDS100 or WDS600 or W900
The sensor is provided with a 2-twisted pair, shielded, 24 AWG, 35 pF/foot
capacitance cable. The wiring to the controller is as follows:
If the required cable length exceeds the 6 meters (20 feet) that is supplied,
wire the housing to a 190851 terminal box, then use a p/n 100084 cable to
reach the instrument. The maximum cable length is 30.5 meters (100 feet).
DIG IN 2 DIG IN 3
DIG IN 1
IN-
IN+ IN+ IN-
Contact Closure:
Polarity not critical
Interlock Function
Shield Drain:
GRN:
WHT:
RED:
BLK:
WDIS410
DIG IN 4 DIG IN 5
IN+ IN- IN+ IN- IN+ IN-
T+ T-
Disinfection
Earth Ground
IN+
IN-
+5 V
- 5 V
L2 L2 L2 L2 L2
L1 L2/N
GROUND
STUD
+5V
IN+ IN- -5V
Sensor
9
BLEED FEED BOI 1 BIO 2
L2
N.C. N.O. N.C. N.O. N.C. N.O. N.C. N.O. N.C.
L1 L2/N
WHT 120V
BLU 240V
Power Supply
(115 VAC or 230 VAC)
ALARM
N.O. N.C. N.O.