Specifications
MultiFlex PCI 1000 Series User's Manual
175
Pulse Command Axis Specifications
Function
Open Stepper, Open Loop Stepper with Position Verification,
Closed Loop Stepper, or Pulse Command Servo
Operating Modes
Position, Velocity, Contouring, Torque, and Gain
Trajectory Generator
Trapezoidal, Parabolic or S-Curve
Independent Acceleration and Deceleration
Position Feedback
Incremental Encoder with Index (for closed loop stepper
operation or position verification of an open loop stepper)
Position and Velocity Resolution
64 bit floating point
Step Outputs
Step/Direction or CW/CCW (software selectable), 50% duty
cycle open collector drivers (max. 30V, 100ma current sink)
Step Rates (Software Selectable)
High Speed - 153 Steps/Sec. - 5.0M Steps/Sec.
Medium Speed - 20 Steps/Sec. - 625K Steps/Sec.
Low Speed - .1 Steps/Sec. – 78K Steps/Sec.
Position Feedback
Incremental Encoder with Index
Position and Velocity Resolution
32 bit
Encoder
Encoder and Index Inputs
Differential or single ended, -25 to +25 vdc max.
Encoder Count Rate
To 20,000,000 Quadrature Counts/Sec.
Encoder Supply Voltage
+5 vdc or +12 vdc
Minimum Phase differential
200mV
Hardware Error Checking
Yes (differential encoder only)
Axis Inputs (Optically isolated)
Limit+, Limit -, Home, Drive Fault (shared with analog cmd. axis)
Device conducting
minimum voltage = 3V
maximum voltage = 25V
Minimum current required
0.25 mA
Axis Outputs (Open Collector)
Driver Disable, Driver Enable, Full/Half Current
Maximum voltage
30V
Maximum current sink
100ma
Position Capture (Latch) input
TTL (0 - +5V)
Active level
Rising edge (TTL high, > 2.4 VDC)
Minimum pulse duration
100 nanosecond
Maximum re-trigger frequency
1 KHz
Position Compare output
TTL (0 - +5V), 1 per four servo axes
Active level
Programmable, default = TTL high
Minimum pulse duration
< nanosecond
Maximum re-trigger frequency
>1 MHz, (programmable trigger modes)
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