Gmc System Specifications - AB Quality Allen-Bradley 1394 User Manual

A-14 Specifications
Publication 1394-5.0 — May 2000

GMC System Specifications

The table below lists the specifications for the GMC system module
(1394x-SJTxx-C-xx, -L-xx, and -T-xx systems).
The:
Servo loop sample and update
rate
Maximum feedback frequency
Absolute position range
Absolute position resolution
Speed range
Speed resolution
Acceleration/deceleration range
Acceleration/deceleration
resolution
Electronic gearing gear ratio
range
Electronic gearing gear ratio
resolution
Servo gain resolution
Servo output limit range
Servo gain units
Is:
250 Hz to 2 kHz for 4 axes
4 MHz (4,000,000 feedback counts per second)
± 1,000,000,000 feedback counts for linear axes; infinite
number for rotary axes
15 position unit digits or 32 feedback count bits, whichever
is less
0.00001 feedback counts per servo update to 4,000,000
feedback counts per second
15 position unit digits or 15 feedback count bits, whichever
is less
0.00001 feedback counts per servo update to 4,000,000
feedback counts per second
15 position unit digits or 15 feedback count bits, whichever
is less
0.00001:1 to 9.99999:1 (slave counts:master counts)
8 position unit digits or 32 feedback count bits
32-bit floating point
0 to 100%
P = proportional gain (counts per millisecond/error count)
I = integral gain (counts per millisecond/error count)
V = velocity gain (millivolts/counts per millisecond)
F = feedforward gain (counts per millisecond/ counts per
millisecond)