Honeywell T775R 2000 Series, Installation Instructions Manual, Page: 8 / 36

T775R SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
62-0249—13 8
Fig. 14. Wiring for ML7984 Valve Actuator
(Using 4-20 mA Signal).
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 0-10 and 2-10 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.
IF USING THE SAME TRANSFORMER TO POWER BOTH THE T775
AND THE MOTOR, COMMONS ARE POLARITY SENSITIVE. MOTORS
MUST BE HALF WAVE RECTIFIED.
1
M29014
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
T1 T2 B W R
POWER
OUTPUT
ML7984 ACTUATOR
1
C
IF USING THE SAME TRANSFORMER TO POWER BOTH THE T775 AND
THE MOTOR, COMMONS ARE POLARITY SENSITIVE. MOTORS MUST
BE HALF WAVE RECTIFIED.
1
M29015
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
IF USING THE SAME TRANSFORMER TO POWER BOTH THE T775
AND THE MOTOR, COMMONS ARE POLARITY SENSITIVE.
MOTORS MUST BE HALF WAVE RECTIFIED.
1
HONEYWELL MODUTROL MOTOR WITH
VOLTAGE CONTROL INPUT
1
F
M29016
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
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
IF USING THE SAME TRANSFORMER TO POWER BOTH THE T775
AND THE MOTOR, COMMONS ARE POLARITY SENSITIVE. MOTORS
MUST BE HALF WAVE RECTIFIED.
INSERT 340 OHM RESISTOR (INCLUDED) ACROSS TERMINALS R AND W.
1
2
M29017
3
MODULATING
OUTPUT
TERMINAL
(MOD 1)
B
R
W
+
–
B
R
W +
–
T1 T2 B W R
POWER
OUTPUT
HONEYWELL ELECTRONIC
SERIES 90 MODUTROL MOTOR
1
2
3
IF USING THE SAME TRANSFORMER TO POWER BOTH THE T775
AND THE MOTOR, COMMONS ARE POLARITY SENSITIVE. MOTORS
MUST BE HALF WAVE RECTIFIED.
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
M29018
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W
+
–
B
R
W
+
–
T1 T2 B W R
POWER
OUTPUT
2
HONEYWELL
ELECTRONIC SERIES 90
MODUTROL MOTOR
1
W R B
MINIMUM POSITION
POTENTIOMETER
(Q209)
SPDT CHANGEOVER
(H205 OR H705)
3
3