RMS Technologies IMD23 W/ POLE DAMPING TECHNOLOGY User Manual
Page 6

RMS Technologies
Page 6
Version 1.10
IMD23/23DE Manual
12/3/2007
2
ELECTRICAL SPECIFICATIONS
 
 
Power Supply Requirements
Voltage
+12 VDC to 48 VDC
*
Driver
Peak Current:
0.3 to 3.0 Amps
*
Motor Specifications
NEMA Size 23 
Holding Torque: 
IMD23-S-XX
100 oz-in
IMD23-M-XX
182 oz-in
IMD23-L-XX
294 oz-in
Steps per Revolution (1.8° Motor)
400, 800, 1600, 3200, 6400, 12800, 25600, 51200
I/O Specifications
3x Optically Isolated Inputs
* The IMD23 can handle a 24VDC and 3 Amp system OR a 48VDC and 2 Amp 
system 
3
OPERATING SPECIFICATIONS
Maximum Step Frequency:
2.5 MHz
Operating Temperature*:
Low end – 0° C 
High end – Dependent on case temperature, 
bottom of unit must not exceed 45° C 
 
100% duty cycle is OK as long as the bottom of the unit does not exceed 45°C (the bottom 
is the flat side of the unit, opposite the mounting & shaft). 
 
* RMS Technologies integrated motor and drive products are designed and fully tested to withstand the rated 
operating temperature ranges at 24VDC and 3 Amp Peak, or 48VDC and 2 Amp Peak. 
 
 
Logic Timing 
Minimum Step Pulse Width
200 nanoseconds
Minimum Step Low Time
200 nanoseconds
Maximum Power-Down Recovery Time
20 milliseconds
