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EXCEL 10 W7761A INPUT/OUTPUT DEVICE
30 74-2699
12345678
E-BUS
24 VAC
W7761A
REMOTE I/O
DEVICE
5
E GND
GND
GND
GND
NOT USED
NOT USED
AI-1 OHM
AI-2 OHM
9 101112 14 J315
31 30 29 28 27 26 25 24 23 22 21 20
24 VAC COM
E-BUS
JACK
22 VDC OUT
19 18 17 16
AI-3 OHM
AI-4 OHM
AI-6 V/mA
OUT 7
OUT 6
OUT 5
OUT 4
OUT 8
OUT 1
OUT 3
OUT 2
AI-5 V/mA
13
DI-2
DI-4
DI-1
DI-3
M15278
GND
GND
TRIAC EQUIVALENT CIRCUIT
24 VAC
+
-
24 (H)
24 (N)
24 (H)
24 (N)
INCREASE
DECREASE
MMC325 PNEUMATIC
TRANSDUCER
1
4
3
5
1
2
3
4
EARTH GROUND WIRE LENGTH SHOULD BE HELD TO A MINIMUM.
USE THE HEAVIEST GAUGE WIRE AVAILABLE, UP TO 14 AWG (2.O MM
2
)
WITH A MINIMUM OF 18 AWG (1.O MM
2
), FOR EARTH GROUND WIRE.
REVERSE WIRES (INCREASE/DECREASE) TO REVERSE ACTION
(DIRECT/REVERSE).
MAKE SURE ALL TRANSFORMER/POWER WIRING IS AS SHOWN:
REVERSING TERMINATIONS WILL RESULT IN EQUIPMENT MALFUNCTION.
OPTIONAL 24 VAC WIRING TO NEXT CONTROLLER.
USE 1/4 IN (6 MM) PNEUMATIC TUBING. MINIMUM BRANCH LINE MUST BE
6 FT. (1.8M) OR LONGER.
PNEUMATIC
VALVE
M
B
M
2
Fig. 20. Typical Pneumatic transducer (Series 60 - Floating) to W7761A.
E-Bus Termination Module
One E-Bus Termination Module, part number 209541B is required for a single terminated E-Bus or two E-Bus Termination
Module, part number 209541B for a double terminated E-Bus (see Fig. 21). Refer to the E-Bus Wiring Guidelines form, 74-
2865 for termination module placement rules.