Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 347

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
(b) Display definition
The 7-segment LED segments and CN1 connector pins correspond as shown below.
The LED segment corresponding to the pin is lit to indicate ON, and is extinguished to indicate OFF.
(3) Output signal forced output
You can force the output signal to be switched on/off, independently of the converter status.
This function is used for wiring check of output signal.
When turning CN1-8 on and off
Call the display screen shown after power-on.
Press MODE once.
External I/O signal display screen
Press UP once.
Press SET for more than 2 seconds.
The signal under the lit LED is switched on/off.
Indicates ON/OFF of the trouble (ALM) signal. (Lit: ON, extinguished: OFF)
CN1-8 CN1-2
Press MODE once.
The lit LED moves to the upper LED of CN1-8.
Press UP once.
CN1-8 switches on. (WNG-DOCOM are connected.)
CN1-8
Press DOWN once.
CN1-8 switches off.
Press SET for more than 2 seconds.
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CN1-7: Forced stop (EM1)
Input signals
Output signals
CN1-8: CN-2:
Warning (WNG) Trouble (ALM)
Lit: ON
Extinguished: OFF