Mitsubishi Electric Q Series Reference Manual page 361
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Also See for Q Series:
- Programming manual (524 pages) ,
- User manual (276 pages) ,
- Operation manual (33 pages)
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8 TROUBLESHOOTING
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2)
Data-Link status of each station (SW0074 to 77)
Displays the status of the cyclic transmission.
• Normal display
• Highlighted display : Error station (data link not executed)
3)
Parameter status of each station
Displays the parameter communication status of each station (SW0078 to
7B).
• Normal display
• Highlighted display : During parameter communication
Displays the abnormal parameter status of each station (SW007C to 7F).
• Normal display
• Highlighted display : Abnormal parameter
4)
CPU operation status of each station (SW0080 to 83, SW0088 to 8B)
Displays the operation status of the CPU.
When the communication status of each station is normal, the display is
effective.
• Normal display
• Highlighted display : CPU error, Minor: Minor error
5)
CPU RUN status of each station (SW0084 to 87)
Displays the RUN/STOP status of the CPU.
When the communication status of each station is normal, the display is
effective.
• RUN
• STOP
6)
Loop status of each station (SW0091 to 94, SW0095 to 98)
Displays the status of the forward/reverse loops in case of the optical loop
system.
• Normal display
• Highlighted display : Error
7)
Reserved station designation of each station (SW0064 to 67)
Displays the setting status of a reserved station.
• Normal display
• Highlighted display : Reserved station
8)
PSU operation status of each station extension (SW008C to 8F)
Displays the supply status of the external power 24 V DC of the network
module.
When the communication status of each station is normal, the display is
effective.
• Normal display
• Highlighted display : 24 V DC powered
: Normal station or reserved station
: Other than during parameter communication,
reserved station or unconnected station
: Normal parameter, reserved station or unconnected
station
: CPU normal, reserved station or unconnected
station
Serious: Serious
(watchdog timer error, etc.)
fatal (hardware error, etc.)
: RUN or STEP RUN
: STOP, PAUSE, ERROR or unconnected station
"---" is displayed for a reserved station.
: Normal, reserved station or unconnected station
: Unreserved station
: Not powered by 24 V DC or network module without
supply terminal
MELSEC-Q
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Table of Contents
Troubleshooting
