CNC Motion Setup/Testing Utility
P/N 70000635C
Balancing Servo Amplifier Outputs (F6)
When the command signal voltage from the DSP
2
Board is 0, the axis
should be stationary and MST balance display should read “0000”.
Alternatively, read the tachometer voltage from the motor. The
tachometer should read 0 VDC (± 0.001 V). Monitor the tach voltage
across TP2 and TP3 of the test board.
NOTE: These signals can also be found on Pins #5 and #11 of the J1
input connector on the ANILAM Servo Amplifier Board, P/N
33000123. Refer to Figure 8, (5 LEDs), DC Systems or
Figure 9, ANILAM Servo Amplifier (1 LED), P/N 33000123, DC
Systems.
CUR MODE
VEL MODE
INTEGRATOR
LIMIT H/L
INHIBIT H/L
RESET H/L
LIMIT U/D
INHIBIT U/D
RESET U/D
+15/+5
S1
DIFF SIG + 1
DIFF SIG - 2
SIGNAL IN 3
COMMON 4
TACH 5
MTR CUR 6
LIMIT + 7
LIMIT - 8
CLAMP 9
FAULT 10
COMMON 11
RESET 12
LS/ECB 13
HS/ECB 14
OVERVOLT 15
OVERTEMP 16
LOOP GAIN POT
RESET SWITCH
J1
COMMON
SIGNAL
TA CH
DIFF SIG GAIN
SIG GAIN
TACH GAIN
COMP
RUN
OVER TEMP
OVER VOLT
LS/ECB
HS/ECB
J2
LEDS
TEST POINTS
DIFF GAIN
SIG GAIN
BAL
TACH
COMP
IR COMP
FLDBK
I LIMIT
POTS
BUS RET 1
B + 2
MOTOR - 3
MOTOR + 4
TB1
SMA7215-1
BRUSHTYPE AMPLIFIER
CAUTION
HIGH VOLTAGE!
SERVO2
Figure 8, ANILAM Servo Amplifier (5 LEDs), P/N 33000123, DC Systems
NOTE: When the amplifier is shipped from the factory, the LOOP GAIN
pot is fully counterclockwise (CCW). This is used to shut off
uncalibrated amplifiers. When the loop gain is fully CCW, no
current is delivered to the motor.
1. Apply main power and fan power.
2. Slowly turn the LOOP GAIN pot clockwise (CW). Motor should be
stopped or turning slowly. If motor starts running away, remove
power, reverse the tach leads, and retest. Turn the LOOP GAIN fully
CW to enable.
3. Energize the servos and select an axis.
4. Refer to Figure 10, Balance Screen, DC Systems. Press Balance
(F6) to output a zero voltage signal to the axis.
5. Press
START.
All rights reserved. Subject to change without notice.
November 2009
13
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