SERIES 90 MODUTROL IV™ MOTORS
SETTINGS AND ADJUSTMENTS
Before Setting Stroke
1.Remove the top cover from the motor.
2.Disconnect the controller from the motor.
3.Connect a potentiometer to the motor as shown in Fig. 7.
IMPORTANT
Detach linkage from motor before adjusting stroke.
Setting Stroke
On adjustable stroke motors, stroke is
•The mechanical adjustment (cams) establishes the fully open (clockwise, as viewed from the power end) and fully closed positions of the motor shaft.
•The electrical adjustment (trim pot) matches the feedback resistance change to the motor stroke.
•TRADELINE motors are shipped with stroke set at 160°.
CAUTION
Careless Installation Hazard.
Use of excessive force while adjusting cams damages the motor.
To avoid damaging motor end switches, set cams by moving only the top of the screwdriver.
CAUTION
Careless Installation Hazard.
Forcibly turning the motor shaft damages the gear train and stroke limit contacts.
Never turn motor shaft manually (by hand or with a wrench).
CAUTION
Equipment Damage Hazard.
Can damage the motor beyond repair.
Set cams by moving the top of the screwdriver only. Pressing screwdriver against cam slot sides or use of excessive force can damage motor end switches.
1.Adjust the trim pot:
a.For 160° stroke, turn trim pot fully clockwise.
b.For 90° stroke, turn trim pot fully counterclockwise.
2.Drive the motor to
3.Adjust the cams:
a.For 160° stroke:
(1)Insert 1/8 in. screwdriver blade into an inner cam slot and move screwdriver top as far as possible counterclockwise (viewed from power end).
See Fig. 9. Repeat in successive cam slots until inner cam is against the counterclockwise stop.
(2)For low torque motors (75
(3)Insert 1/8 in. screwdriver blade into an outer cam slot and move screwdriver top as far as possible clockwise (viewed from power end). See Fig. 9. Repeat in successive cam slots until outer cam is against the clockwise stop.
b.For 90° stroke:
(1)Insert 1/8 in. screwdriver blade into an outer cam slot and move screwdriver top as far as possible counterclockwise (viewed from power end).
See Fig. 9. Repeat in successive cam slots until outer cam is against the counterclockwise stop.
(2)For low torque motors (75
(3)Insert 1/8 in. screwdriver blade into an inner cam slot and move screwdriver top as far as possible clockwise (viewed from power end). See Fig. 9. Repeat in successive cam slots until inner cam is against the clockwise stop.
4.Check the motor stroke before connecting the linkage:
a.Remove
b.Short
c.Remove
5.Reconnect the controller, replace the motor top cover, and attach the linkage to the motor.
| STROKE |
|
| ADJUSTMENT |
|
| CAMS | 1 |
W | INNER AUXILIARY | |
| SWITCH |
|
| INNER AUXILIARY | |
B | SWITCH CAM (BLUE) | |
| POWER |
|
| END |
|
R |
|
|
| OUTER AUXILIARY | |
T2 | SWITCH CAM (RED) | |
T1 | OUTER AUXILIARY | |
| ||
| SWITCH |
|
| ADJUSTABLE STROKE POTENTIOMETER |
1HIGH TORQUE (150
NOTE: NOT ALL FEATURES AVAILABLE ON ALL MODELS. M17625A
Fig. 5. Terminals and adjustments.
8 |