Mitsubishi Electric FX5 User Manual page 346
Melsec iq-f series
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Also See for FX5:
- Programming manual (1112 pages) ,
- User manual (958 pages) ,
- Reference manual (44 pages)
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No.
Name
SM8422
MODBUS communication error (ch2)
SM8423
MODBUS communication error (latched) (ch2)
SM8424
RS2 Carrier detection flag (ch2)/MODBUS communication
mode (ch2)
SM8425
RS2 Data set ready (DSR) flag (ch2)
SM8428
MODBUS retry (ch2)
SM8429
RS2 Time-out check flag (ch2)/MODBUS Timeout (ch2)
SM8438
Serial communication error 2 (ch2)
SM8492
IP address storage area write request
SM8493
IP address storage area write completed
SM8494
IP address storage area write error
SM8495
IP address storage area clear request
SM8496
IP address storage area clear completed
SM8497
IP address storage area clear error
SM8498
IP address change function enable flag
APPX
344
Appendix 1 Special Relay List
Description
OFF: No error
ON: Error
OFF: No error
ON: Error (latch)
Carrier detection flag or listen only mode ON when operating.
OFF: DSR not detected
ON: DSR detected
OFF: No retry
ON: Retry
ON when timeout occurs.
OFF: No error
ON: Error
If OFF to ON, the IP address setting stored in SD8492 to SD8497
will be written in the IP address storage area.
• It turns on, if the write to the IP address storage area is
completed. Moreover, it turns on also at the time of the write-in
failure.
• Turns OFF when IP address storage area write request
(SM8492) turns from ON to OFF.
• Turns ON when writing to IP address storage area is failed.
• Turns ON if there is a problem in contents of IP address storage
area, when PLC power supply is turned from OFF to ON.
• Turns OFF when IP address storage area write request
(SM8492) turns from ON to OFF.
Contents of IP address storage area are cleared when this device
turns from OFF to ON.
• It turns on, if the clear to the IP address storage area is
completed. Moreover, it turns on also at the time of the clear-in
failure.
• Turns OFF when IP address storage area clear request
(SM8495) turns from ON to OFF.
• Turns ON when clear to IP address storage area is failed.
• Turns OFF when IP address storage area clear request
(SM8495) turns from ON to OFF.
Turns ON when IP address is changed by IP address change
function.
R/W
R
R
R
R
R
R
R
R/W
R
R
R/W
R
R
R
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