Mitsubishi FX3U-20SSC-H User Manual

13 Diagnostics
13.1 Check LEDs
269
FX3U-20SSC-H Positioning Block User's Manual
11
Buffer Memory
12
Program Example
13
Diagnostics
A
List of Parameters and Data
B
Version Information
13.1 Check LEDs
13.1.1 Check LEDs
13.1.2 Input LED state indications
LED
Indication
Color
Indication
State Content of Error Action
POWER Green
Off
No power supply from the external
power supply and PLC main unit.
• Correctly connect the extension cable and power cable.
• Correctly connect the wiring to the external power supply.
• When the service power supply of the PLC main unit is in
use, make sure that the supply capacity is not being
exceeded.
On
Power is supplied from the external
power supply and PLC main unit.
The power supply is normal.
X-READY
Y-READY
Green
Off
An error has occurred on the X-axis/
Y-axis, or positioning control is being
executed.
When the stop command is input, the positioning operation
stops, and the LED lights.
If the LED does not light even after a stop, an error has
occuerd. Check the error and remove the cause.
On
The X-axis/Y-axis cannot accept
operation commands.
-
X-ERROR
Y-ERROR
Red
Off No error -
Flashing An error has occurred.
An error has occurred on the 20SSC-H. Check the error code,
and perform the action according to the content of the error.
For details on error codes, refer to the following:
→Refer to Subsection 13.2.3
On CPU error
If the 20SSC-H does not restore the problem at power ON
again, consult your local Mitsubishi Electric representative.
LED
Indication
Color
Indication
State Content of Error Action
X-START
Y-START
Red Off START input OFF
If the LED does not light even if input is ON, check the input
wiring.
The 20SSC-H inputs START, DOG, INT0, and INT1 require
an external power supply (24VDC).
X-DOG
Y-DOG
Red Off DOG input OFF
X-INT0
Y-INT0
X-INT1
Y-INT1
Red Off INT0, INT1 input OFF
X-
φA
Y-φA
Red Off
Manual pulse generator A-phase
input OFF
If the LED does not flash even at pulse input from the
manual pulse generator, check the input wiring.
X-φB
Y-φB
Red Off
Manual pulse generator B-phase
input OFF

Mitsubishi FX3U-20SSC-H Specifications

General

Brand	Mitsubishi
Model	FX3U-20SSC-H
Category	Controller
Language	English