Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 346

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
13.4.3 Diagnostic mode
(1) Diagnostic list
Name
Sequence
External I/O signal display
Output signal forced output
Software version low
Software version high
(2) External I/O signal display
The ON/OFF states of the digital I/O signals connected to the converter unit can be confirmed.
(a) Operation
Call the display screen shown after power-on. Using the "MODE" button, show the diagnostic screen.
Display
Not ready.
Initializing.
An alarm occurred.
External forced stop status.
Bus voltage is not established.
Ready
Indicates that the servo was switched on after completion of
initialization and the drive unit is ready to operate.
Indicates the ON/OFF status of external I/O signal.
Lit
Extinguished: OFF
For details, refer to (2) of this section.
Allows external I/O signal to be switched on/off forcibly. For
details, refer to (3) of this section.
Indicates the version of the software.
Indicates the system number of the software.
Press MODE once.
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Unit
: ON
External I/O signal display screen