CNC Motion Setup/Testing Utility
P/N 70000634C
All rights reserved. Subject to change without notice.
November 2009
21
Balancing the DSP
2
Board (F6)
On systems that use an ANILAM Servo Amplifier Board (see
Figure 14,
Digital Brushless AC Servo Amplifier, P/N 33001279, AC Systems
),
measurements for this procedure can be made at the
J2
input connector
with the Servo Amplifier Test Board, (see
Figure 12, ANILAM Servo
Amplifier Test Board, P/N 33001399, AC Systems
).
NOTE:
If ANILAM did not provide the servo amplifiers, follow the
guidelines for balancing supplied by the manufacturer.
Refer to
Figure 13, ANILAM DSP
2
Board Balance Pots, P/N 33001102,
AC Systems
. Measure command voltages across
TP1
and
TP3
of the
test board for AC brushless systems with differential DSP
2
boards. For
the earliest AC systems with single-ended DSP
2
boards, measure
command voltages across
TP1
and
TP2
of the test board.
NOTE:
These signals can also be found on Pin #1 and Pin #3 of the
J2
input connector on the ANILAM Servo Amplifier Board.
All DSP
2
Boards are adjusted at the factory and should be within limits.
Only balance the DSP
2
Board if it is not at 0 VDC (±0.001 V).
NOTE:
On 4200T systems, the DSP
2
Board is located inside the CNC
console. Open the CNC chassis by loosening the thumbscrews
and opening the cover.
Balance the DSP
2
Board with the
servos off, initially
. Next, verify the DSP
2
Board balance with
the servos on, and correct for voltage offset as required.
Install the Servo Amplifier Communications Cable, P/N 33001389,
between the amplifier's
J1
connector and the CNC's RS-232 port.
1. Press
Balance
(
F6
) to output a zero voltage signal to the axis.
2. Press
START
.
3. Refer
to
Figure 13, ANILAM DSP
2
Board Balance Pots, P/N
33001102, AC Systems
. Make adjustments for axis outputs 0–3 on
the DSP
2
Board at potentiometers R108-R111 respectively.
4. Adjust the potentiometer for the selected axis until the voltage across
the pins is 0 VDC (
±
0.001 V).
5. Press
MANUAL
(
F4
) to cancel the test.
Table 8, Axis Output Port Assignments
Port Axis
0 X
1 C/S
2 Z
Содержание 4200T
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