
RMS Technologies Page 15 Version 1.10
IMD23/23DE Manual 12/3/2007
*Note: Dipswitches are switched “ON” when switches are towards the RIGHT when looking
at the configuration module and reading the silk screen descriptions upright. There is also a
marking labeled as “ON”.
Disable Power
When a driver is disabled by pulling the enable/disable pin low, the motor will stop
movement and remember the location of the current waveform, such that, when enabling
the unit, the step sequence is not lost and the waveform continues on.
The disable power function has two options:
ON: The motor receives no current, and is therefore considered completely disabled
OFF: The motor receives the current supplied to it at the time it is disabled, and will hold in
place.
Step Resolution
Three switches are used together in order to change the motor’s step resolution:
STEP RES 0 STEP RES 1
STEP RES 2 Resulted Resolution
OFF OFF OFF 2X
ON OFF OFF 4X
OFF ON OFF 8X
ON ON OFF 16X
OFF OFF ON 32X
ON OFF ON 64X
OFF ON OF 128X
ON ON ON 256X
Run Current
Four switches are used together in order to change the motor’s rated current in Amps Peak.
RUN CUR 0 RUN CUR 1 RUN CUR 2 RUN CUR 3 Resulted Current
(Amps Peak)
ON ON ON ON 3.0 Amps
OFF ON ON ON 2.8 Amps
ON OFF ON ON 2.6 Amps
OFF OFF ON ON 2.4 Amps
ON ON OFF ON 2.3 Amps
OFF ON OFF ON 2.1 Amps
ON OFF OFF ON 1.9 Amps
OFF OFF OFF ON 1.7 Amps
ON ON ON OFF 1.5 Amps
OFF ON ON OFF 1.3 Amps
ON OFF ON OFF 1.1 Amps
OFF OFF ON OFF 1.0 Amps
ON ON OFF OFF 0.8 Amps
OFF ON OFF OFF 0.5 Amps
ON OFF OFF OFF 0.4 Amps
OFF OFF OFF OFF 0.2 Amps
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