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EXCEL 10 W7761A INPUT/OUTPUT DEVICE
27 74-2699
1
E-B
12345678
W7761A
REMOTE I/O
DEVICE
EARTH
GROUND
9101112 1415
31
30 29 28 27 26 25 24 23 22 21 20
GROUND
E-BUS
E-BUS
JACK
22 VDC OUT
19 18 17 16
GROUND
13
GROUND
J3
GROUND
GROUND
TRIAC EQUIVALENTCIRCUIT
AI-3 OHM
OUT7
OUT6
OUT5
OUT4
OUT8
OUT1
OUT3
OUT2
AI-5 V/mA
DI-2
DI-4
DI-1
DI-3
AI-4 OHM
AI-6 V/mA
AI-2 OHM
AI - 1 O HM
NOT
USED
COM
24 VAC
24VAC
EARTH GROUND WIRE LENGTH SHOULD BE HELD TO AMINIMUM.
USE THEHEAVIESTGAUGE WIREAVAILABLE, UPTO 14 AWG (2.OMM
2
)
WITH A MINIMUM OF 18 AWG (1.O MM
2
),FOR EARTH GROUND WIRE.
TO ASSURE PROPERELECTRICALCONTACT, WIRESMUSTBE TWISTED
TOGETHER BEFORE INSERTION INTO THE TERMINAL BLOCK.
1
2
+
-
24VAC
2
+
S
C7600C
+
S
C7400A
Enthalpy
(4 to 20mA)
Humidity
(4 to 20mA)
Fig. 17. Typical Humidity and Enthalpy (4 to 20mA) sensor wiring diagram. (For note 2, refer to Fig. 15.)