Mitsubishi Electric MELSEC iQ-F Series User Manual page 158

Diagnostic information 1
■Diagnostic information 1 (Un\G4129 to Un\G4143)
When 1 (valid) is stored in b0 to b7 of 'Diagnostic information status flag' (Un\G4128), the number of occupied stations, group
number, IP address, the accumulated number of timeouts, and the accumulated number of disconnection detection are
stored.
When 0 (invalid) is stored in b0 to b7 of 'Diagnostic information status flag' (Un\G4128), 0 is stored.
Address Name
Un\G4129 Number of occupied stations
Un\G4130 Group number
Un\G4131 IP address
Un\G4132
Un\G4133 to System area
Un\G4138
Un\G4139 Accumulated number of timeouts
Un\G4140 Accumulated number of disconnection detection
Un\G4141 to System area
Un\G4143
*1 The value set with GX Works3 is stored. ( Page 71 )
*2 When the IP address has not been set in the parameter, 0 is stored.
*3 When the count exceeds 65535, counting is continued from 1 again.
If the remote station specified with 'Diagnostic request information' (Un\G4127) is disconnected, the
information just before the disconnection is stored.
APPX
156
Appendix 4 Buffer Memory
*1
*1
Description
Number of occupied stations in a remote station specified is stored.
Group number in a remote station specified is stored.
IP address (3rd octet, 4th octet) in a remote station specified is stored.
IP address (1st octet, 2nd octet) in a remote station specified is stored.

After the END instruction of the scan where the bit 0 of 'Diagnostic information
display request' (Un\G4162) is turned off and on is executed, the accumulated
number of timeouts that occurred in a remote station specified in 'Diagnostic
request information' (Un\G4127) is stored.
• 0: No timeouts
• 1 to 65535: Number of timeouts (accumulated number)
After the END instruction of the scan where the bit 0 of 'Diagnostic information
display request' (Un\G4162) is turned off and on is executed, the accumulated
number of disconnections that detected in a remote station specified in 'Diagnostic
request information' (Un\G4127) is stored.
• 0: No disconnections
• 1 to 65535: Number of disconnection detection (accumulated number)

*2
*2
*3
*3