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T775A/B/M SERIES 2000 CONTROLLER WIRING APPLICATIONS (EXAMPLES)
62-0254–03 8
Fig. 13. Wiring for ML7984 valve actuator.
Fig. 14. Wiring for Digital Input (dry contact).
Fig. 15. Wiring for mod motor or direct coupled
actuator with 4 to 20 mA control input.
Fig. 16. Wiring for mod motor or direct coupled
actuator with 0 to 10 Vdc control input.
Fig. 17. Wiring for Series 90 Modutrol Motor Control.
Fig. 18. Wiring for changeover relay and
minimum position potentiometer used
with Series 90 Modutrol Motors.
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
250 OHM RESISTOR
1
2
M24480
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
T1 T2 B WR
POWER
OUTPUT
ML7984 ACTUATOR
1
2
M24482
DIGITAL
INPUT
+
–
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
1
M24481
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
POWER
OUTPUT
1
T1 T2
–
+
HONEYWELL MODUTROL MOTOR WITH
4-20 mA MODULATING INPUT
T1 T2 C R
POWER
OUTPUT
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
1
HONEYWELL MODUTROL MOTOR WITH
VOLTAGE CONTROL INPUT
1
F
M24483
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
M24484
TO VERIFY OUTPUT, TEST OPEN CIRCUIT VOLTAGE BETWEEN
THE MOD 1 TERMINALS W AND R.
- MINIMUM (DRIVE CLOSED) SIGNAL LESS THAN 0.17 VDC
- MAXIMUM (DRIVE OPEN) SIGNAL IS GREATER THAN 1.7 VDC
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
INSERT 340 OHM RESISTOR (INCLUDED) ACROSS TERMINALS R AND W.
1
2
3
MODULATING
OUTPUT
TERMINAL
(MOD 1)
B
R
W
+
–
B
R
W
+
–
T1 T2 B WR
POWER
OUTPUT
HONEYWELL ELECTRONIC
SERIES 90 MODUTROL MOTOR
1
2
3
M24485
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
A 250 OHM RESISTOR PROVIDES 40% AUTHORITY WHEN
USING A 150 OHM MINIMUM POSITION POTENTIOMETER.
INSERT 340 OHM RESISTOR (INCLUDED) ACROSS TERMINALS R AND W.
1
2
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
T1 T2 B WR
POWER
OUTPUT
2
HONEYWELL
ELECTRONIC SERIES 90
MODUTROL MOTOR
1
W R B
MINIMUM POSITION
POTENTIOMETER
(Q209)
SPDT CHANGEOVER
(H205 OR H705)
3
3