Hardware Test - Mitsubishi QJ71DN91 User Manual

4 SETUP AND PROCEDURES BEFORE OPERATION

4.4 Hardware Test

Perform wiring of the network power
supply, and turn ON the power.
Set mode 9 and turn ON the power.
(Displays "1" at buffer memory 062E
(Displays "2" at buffer memory 062E
(Displays "3" at buffer memory 062E
(Displays "4" at buffer memory 062E
(Illuminates the MS LED in green and
stores "FFFF" at buffer memory 062E
[LED display]
Performing hardware
Flashes the
test
MS LED.
QJ71DN91
MS
RUN
NS
ERR.
4 - 8
The hardware test checks whether or not the standalone module operates normally. It
performs a ROM check, RAM check, self-loop test, etc.
Be sure to perform the hardware test before configuring a system.
For more details on the test related to DeviceNet communication, perform a test by
referring to Section 4.6, "Communication Test" after wiring is complete.
Execute the hardware test in the following sequence:
Start
Calculates ROM's sum check.
Error occurred?
No
Perform RAM check.
Error occurred?
No
Perform microcomputer check.
Error occurred?
No
Perform CAN controller check.
Error occurred?
No
Normal completion
End
Normal completion
QJ71DN91
RUN MS
NS
ERR.
Abnormal completion
QJ71DN91
RUN MS
NS
ERR.
.)
H
Abnormal completion
Yes
(Illuminates the ERR. LED and stores
the error code at buffer memory 062F
.)
H
Abnormal completion
Yes
(Illuminates the ERR. LED and stores
the error code at buffer memory 062F
.)
H
Abnormal completion
Yes
(Illuminates the ERR. LED and stores
the error code at buffer memory 062F
.)
H
Abnormal completion
Yes
(Illuminates the ERR. LED and stores
the error code at buffer memory 062F
.)
H
Illuminates the MS LED in green.
Turns OFF the ERR. LED.
Turns OFF the MS LED.
Turns ON the ERR. LED.
MELSEC-Q
.)
H
.)
H
.)
H
.)
H
4 - 8