SPECIFICATION
3
SPECIFICATION
PDS Series
Drive
Specifications
Parameter
Value
Amplifiers
Type
Motor resolution
Protection
Short circuit
Peak output current
Standby current reduction
Maximum stepping rate
Nominal chopping frequency
MOSFET Chopper
400, 1000, 2000 and 4000 steps/rev (user-selectable)
Phase-to-phase, across phases and phase to ground
3A/phase (PDS13), 5A/phase (PDS15) - switch reduceable
To 80% or 50% of programmed peak value after 100ms (switch-
selected)
200kHz @ 4000 steps/rev
20kHz
Command Interface
STEP/DIR/SHUTDOWN
Configured as differential opto-isolated
inputs
Drive requirements
max input current
min input current
STEP
Minimum pulse width
Drive clocks on transition to state ()
DIR
Shaft reversal on transition
SHUTDOWN
Motor shutdown on transition to
state ()
Fault
Internal clock out
Power up reset time
3 to 5V differential
21mA
10mA
1
µ
s
STEP+(high) STEP-(low)
DIR+, DIR-
S(high) SHUTDOWN-(low)
Unassigned NPN transistor (see figure 3)
Active Low (transistor switched to 0V) +1.0V max. @ 5mA max.
High (transistor off) +24V max.
Open collector NPN transistor - emitter connected to
drive 0V (GND)
1 - 2 secs
Table 1. PDS Series Drive Specifications
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