Rotary Switch Setting - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

Rotary switch setting

Rotary switch is used to shut off the power after control stop by SS1 function.
Set the delay time from when the STO shut off switch is pressed until when STO output is performed. Set the same setting for
SW1 and SW2. The following table shows the delay time to be set according to the setting value of the rotary switch.
Setting cannot be changed while power is on. Notify users that setting cannot be changed by putting a seal or by another
method so that end users will not change the setting after the shipment.
0 to F in the following table is the set value of the rotary switches (SW1 and SW2).
Rotary switch setting and
delay time at A/B-axis [s]
A-axis 0 s
1.4 s
2.8 s
5.6 s
9.8 s
30.8 s
Troubleshooting
When power is not supplied or FAULT LED turns on, refer the following table and take the appropriate action.
Event Definition
Power is not supplied. Power LED does not turn on although
power is supplied.
FAULT LED is on. FAULT LED of A-axis or B-axis is on,
and will not turn off.
B-axis
0 s 1.4 s
0 1
 
 
 
 
 
Cause
1. 24 V DC power supply is
malfunctioning.
2. Wires between MR-J3-D05 and 24 V
DC power supply are disconnected or
are in contact with other wires.
3. MR-J3-D05 is malfunctioning.
1. The delay time settings are not
matched.
2. Switch input error
3. TOF signal error
4. MR-J3-D05 is malfunctioning.
2.8 s 5.6 s

2

5

8
 
 
 
Action
Replace the 24 V DC power supply.
Check the wiring.
Replace the MR-J3-D05.
Check the settings of the rotary switch.
Check the wiring or sequence of the input
signals.
Check the connection with the servo
amplifier.
Replace the MR-J3-D05.
Appendix 5 MR-J3-D05 Safety logic unit
9.8 s 30.8 s
3 4
6 7
9 A
B C
D E

F
APPX
599
A