22
PDS SERIES DRIVE USER GUIDE
Step Resolution
Switch 4, 5
DIP Switches 4 and 5 determine the step resolution of the drive, as
defined in Table 9.
Note: cycle the power for switch settings to take effect.
SWITCH
SETTINGS
RESOLUTION
IN
STEPS/REV
4
5
ON
ON
400
ON
OFF
1000
OFF
ON
2000
OFF
OFF
4000
Table 9. Step Resolution Settings
Peak Current
Setting
Switch 6, 7, 8
DIP Switches 6, 7 and 8 determine the peak current setting of the
drive, as defined in Table 10.
SWITCH SETTINGS
PDS13 PEAK
CURRENT
PDS15 PEAK
CURRENT
6
7
8
ON
ON
ON
3.0A
5.0A
OFF
ON
ON
2.7A
4.6A
ON
OFF
ON
2.4A
4.3A
OFF
OFF
ON
2.1A
3.9A
ON
ON
OFF
1.8A
3.6A
OFF
ON
OFF
1.5A
3.2A
ON
OFF
OFF
1.2A
2.9A
OFF
OFF
OFF
0.9A
2.5A
Table 10. Peak Current Settings
Acceleration/
Deceleration Rate
Adjustment
The acceleration and deceleration rates of the drive are controlled by
the front panel acceleration control, which provides a range of 20 to
500 rev/sec/sec.
Preliminary Testing
Initially do not make any connections to the 25-way D-type
connector. With power OFF, ensure that switch 3 is in the ON
position and that the motor is connected correctly. Set the SLOW
potentiometer to its mid-way position (the potentiometers are all 20
turn). Apply power and check the motor for holding torque. The red
FAULT LED should be OUT and the green POWER LED should be
LIT. If all is well, close switch 1 and the motor will start turning. The
velocity can be varied by rotating the SLOW potentiometer
(clockwise increases velocity). The success of this preliminary test
confirms correct drive-motor wiring. Power down and turn OFF
switch 1.
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