Honeywell T775B Series Instruction Instructions page 8

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