Honeywell Modutrol IV Interface Modules Q7130A Installation Instructions Manual page 5

12. Recheck the fully open position and readjust the span
potentiometer, if necessary. (Turn the span potentiome-
ter clockwise to close the motor, counterclockwise to
open the motor.) Verify the mid point of your stroke.
T1 T2 F
Fig. 5. Q7230A terminals and adjustments.
SEQUENTIAL OPERATION
FOR ADJUSTABLE ZERO AND SPAN MODELS
20
(10)
16
(8)
12
(6)
8
(4)
4
(2)
0
CLOSED OPEN
MOTOR 1
1 3
MOTOR 1 PROPORTIONS BETWEEN 4 AND 12 mA; FULLY
1
CLOSED AT 4 mA, FULLY OPENED AT 12 mA.
MOTOR 2 PROPORTIONS BETWEEN 8 AND 16 mA; FULLY
CLOSED AT 8 mA, FULLY OPENED AT 16 mA.
MOTOR 3 PROPORTIONS BETWEEN 12 AND 20 mA SIGNAL;
FULLY CLOSED AT 12 mA, FULLY OPENED AT 20 mA.
2
UP TO 6 MOTORS CAN BE DRIVEN SEQUENTIALY OR IN
UNISON FROM ONE CONTROLLER.
3
ADJUST ZERO ADJUST AND SPAN ADJUST POTENTIOMETERS
TO ACHIEVE DESIRED SEQUENCE.
Fig. 6. Sequential operation of three motors with Q7230A
Interface Module.
1+ V+
Com
SPAN ZERO
M27213
CLOSED OPEN CLOSED OPEN
MOTOR 2 MOTOR 3
3 3
M2893A
Q7130A, Q7230A, Q7330A MODUTROL IV INTERFACE MODULES
13. For sequential operation at two or more motors (as
shown in Fig. 6), repeat the above steps for each motor,
individually adjusting each for the desired response to
the input signal.
L2 L1
(HOT)
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQURED.
2 CONNECTING TO EITHER (+) OR (-) WILL DRIVE THE
MOTOR TO FULLY OPEN.
3 DRIVE UP TO SIX MOTORS IN UNISON.
4
EACH MOTOR MUST HAVE SEPARATE TRANSFORMER.
IF COMMON LINE VOLTAGE SUPPLY MUST BE USED,
ADD ISOLATION TRANSFORMER TO EACH M91XX MOTOR.
5
INTERNAL MODUTROL IV CONNECTION.
Fig. 7. Typical wiring diagram for Q7230A Interface
Module and M91XXX Modutrol IV Motor with 4-20 mA
L1
2
(HOT)
L2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQURED.
2
CONNECTING TO EITHER (+) OR (-) WILL DRIVE THE
MOTOR TO FULLY OPEN.
3
INTERNAL MODUTROL IV CONNECTION.
Fig. 8. Typical wiring diagram for Q7230A Interface
Module and M91XXX Modutrol IV Motor with 2-10 Vdc
5
1
MOTOR
4
5
COM
T1
I +
T2
F
2
MOTOR
5
COM
T1
I +
T2
F
2
MOTOR
5
COM
T1
I +
T2
F
2
controller.
MOTOR
1
3
COM
T1
V+
T2
F
2
controller.
4-20 mA
CONTROLLER
–
+
3
M506H
2-10 Vdc
CONTROLLER
–
+
M29166
63-2235—07