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7. CHECK LISTS
MELSEC-A
7.2
Tests and Adjustments Procedure
7.2.1
Sequencecheck
Use the following procedure to check the system.
Set the key switch on the AlSD71 front panel to "LOCK." This only changes
the present value and allows checking
of the positioning functions with the
feed pulse output stopped.
v
Sequence check
L
ERR or
HOLD
YES
A1 SD71 fault.
Refer to Chapter 8 .
I
1
I
No PC ready signal (Y2D), Check sequence program.
I
AD71P.
Connect the peripheral device to the AlSD71 and start up the system using SWOGP-
I
I
Conduct the AlSD71 test procedure using the peripheral device.
I
SERVO-ERR
YES
Drive unit
ready
signal
not
received. Check drive
unit
and
wiring.
t
After exeucing zero return, start positioning using sequence program.
7 - 2
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