CNC Motion Setup/Testing Utility
P/N 70000634A
All rights reserved. Subject to change without notice.
23-December-05
8
Test Board Installation
IMPORTANT:
Press
E
-
STOP
to de-energize servos before installing the
test board.
1. Remove the cable attached to
J2
of the Servo Amplifier you wish to
monitor and connect it to
P1
of the test board.
1. Attach
W1
of the test board to
J2
of the servo.
2. Re-energize the servos.
Test Points
Refer to
Table 3
for a description of test points and signals.
Table 3, Servo Amplifier Test Board: Test Points and Jumpers
Test Point
Pin
Signal
TP1 1
Command Signal
TP2 3
Common for all servo signals and potentiometers.
All readings are referenced to
TP2
.
P2-1 4
Motor Current output monitor. The scale factor is
1V = 7.5A.
P2-2 5
Analog Out
P2-3 6
+Limit In
P2-4 7
–Limit In
P2-5 8
Clamp input from the SCB. When pulled to chassis
ground, the servo’s output is forced to 0 VDC.
P2-6 9
Fault output. When the servo card is faulted, the
output is pulled low.
P2-7 3
Common
JMP1 1
Signal. If
JMP1
is removed, the Command signal
will open at Pin 1 of
J1
.
JMP2 3
Common. If removed,
JMP2
will open the common
line at Pin 3 of
J1
.
Jumpers
While troubleshooting, you can remove jumpers to isolate the Servo
Amplifier from the DAC outputs of the Motion Control Board during
troubleshooting. If Pin 2 of
JMP1
and
JMP2
are shorted together, the
Servo Amplifier’s input is fixed at 0 VDC; this can be useful in
troubleshooting balance problems.
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