nuDrive Accessory User Guide
30
www.ni.com
Stepper Drivers
Type ........................................................Intelligent Motion Systems (IMS)
IM483, bipolar chopper
Current per phase.........................................0.36–4.0 A peak (0.26–2.8 A RMS)
(factory setting is 1.4 A peak)
Motor bus voltage ...................................24 or 40 VDC
Microstepping selections
........................×
2, 4, 8, 16, 32, 64, 128, 256
×
5, 10, 25, 50, 125, 250
(default is 10 times)
Encoder Interface (Each Axis)
Inputs ......................................................Quadrature, incremental
Differential input threshold ....................±0.3 V (typical)
Single-ended input threshold ..................TTL/CMOS
Voltage range..........................................0 to 5 VDC
Noise filter (RC time constant)...............100 ns
Max quadrature frequency ......................1 MHz
Limit and Home Switch Inputs (Each Axis)
Noise filter (RC time constant)...............10 µs
Compatibility ..........................................Signal pass-through
Configurable I/O
Compatibility ..........................................Signal pass-through
Connectors (Included)
Encoders .................................................8-pin terminal blocks (1 per axis)
Limits......................................................6-pin terminal blocks (1 per axis)
Motor ......................................................5-pin terminal blocks (1 per axis)
Summary of Contents for nuDrive 4SX-411
Page 32: ......