TMCM-078 Manual (V1.03 / September 10th, 2008)
10
Copyright © 2008, TRINAMIC Motion Control GmbH & Co. KG
ActCurr switches
Motor run current (RMS)
4
3
2
1
0
in mode 0 and 2
in mode 1
ON
OFF
ON
OFF
OFF
4.25A
4.0A
ON
OFF
ON
OFF
ON
4.5A
4.3A
ON
OFF
ON
ON
OFF
4.75A
4.3A
ON
OFF
ON
ON
ON
5A
5.2A
ON
ON
OFF
OFF
OFF
5.25A
5.2A
ON
ON
OFF
OFF
ON
5.5A
5.2A
ON
ON
OFF
ON
OFF
5.75A
5.2A
ON
ON
OFF
ON
ON
6A
5.2A
ON
ON
ON
OFF
OFF
6.25A
7A
ON
ON
ON
OFF
ON
6.5A
7A
ON
ON
ON
ON
OFF
6.75A
7A
ON
ON
ON
ON
ON
7A
7A
Table 3.6: Motor run current
The standby current can be set as a fraction of the motor run current using the DIP switches marked
“StdCurr”. The module will switch to standby current when there has been no step pulse for at least
two seconds.
StbCurr switches
Standby current
2
1
0
OFF
OFF
OFF
12.5% of motor run current
OFF
OFF
ON
25%
OFF
ON
OFF
37.5%
OFF
ON
ON
50%
ON
OFF
OFF
62.5%
ON
OFF
ON
75%
ON
ON
OFF
87.5%
ON
ON
ON
100%
Table 3.7: Motor stand-by current
3.3.2
Microstep resolution
The microstep resolution can be set using the DIP switches marked “uStep”. The microstep resolutions
that can be set depend on the selected operating mode.
uStep switches
Microstep resolution
2
1
0
in mode 0 and 1
in mode 2
OFF
OFF
OFF
64
256
OFF
OFF
ON
32
128
OFF
ON
OFF
16
64
OFF
ON
ON
8
32
ON
OFF
OFF
4
16
ON
OFF
ON
2
8
ON
ON
OFF
1
4
ON
ON
ON
not used
2
Table 3.7: Microstep resolution