APG DCU-1100 user manual - Manual (Page 10)

DCU-1104 and DCU-1108 Rev. A2, 11/06
10
Automation Products Group, Inc.
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Wiring for a Relay Output
When switching a highly capacitive or inductive load, a swamping diode
should be used. This will protect the internal relay from possible damage and
prevent electrical noise from being introduced to the sensor which could result
in false readings.
RELAY
24 V DC
COIL
A.C. 24VDC 24VDC
Alarm
Gray (N.O.)
Blue (Common)
Brown (N.O.)
Purple (Common)
Swamping Diode
Power Supply
24VDC Neg.
White
Red 10-30VDC
Black Neg.
White Digital out
I/O Device
0 Volts
5 Volts
signal to travel from
transducer to target
and return to
transducer. The width
varies and is proportional
to the target distance.
Orange 4-20mA (+)
Yellow 4-20mA (-)
ACC-1008
Length of time for
DCU-11 Wiring Diagram