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4
INSTALLATION, WIRING AND MAINTENANCE OF THE PRODUCT
Idle
Stopped
In JOG operation
In manual pulse generator operation
In zero point return
In position control
In speed control
In speed control for speed/position changeover control
In position control for speed/position changeover control
Waiting
Error occurrence *
(Step 3)
Operation monitor 2
1) The axis display LED for each axis will turn ON sequentially at an approx.
0.5 second interval.
One of the following states will appear on the 17-segment LED to indicate
the state of the axis for which the axis display LED is ON.
Confirm that the display matches each axis state.
Axis state
POINT
*
When the Remote station READY signal (RX(n+7)B) is ON, even if a
parameter error occurs, the error code will not appear on the 17-segment LED.
If the error code is not displayed on the 17-segment LED, check the error code
with the peripheral device or D75P2 "Axis error No. (RWrn+5, RWrn+13)",
"Axis warning No. (RWrn+6, RWrn+14)".
2) When the mode switch is pressed, the state will shift to the internal
information 1 monitor state described in (Step 4).
(Step 4)
Internal information 1 monitor
1) The D75P2 OS type ("S003") will appear on the 17-segment LED for
reference.
2) The axis display LED for each axis will turn OFF.
3) When the mode switch is pressed, the state will shift to the internal
information 2 monitor state described in (Step 5).
17-segment
LED
IDLE
STOP
JOG
MANP
OPR
POSI
VELO
V- P
V -P
BUSY
E***
4 - 27
MELSEC-A
Remarks
State when power is turned
ON/operation has ended.
State when positioning
operation is temporarily
stopped.
–
The execution is waiting due to
the condition designation, etc.
The error code appears in ***.
Refer to Chapter 14 for details
on the errors.
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Troubleshooting
