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MELSEC-F
TROUBLESHOOTING11
11 - 7
11.2.1 Buffer memory that can be monitored with the FX Configurator-EN diagnostic
function
The following is a list of the buffer memory addresses that can be displayed on the
"Ethernet diagnostics" screen of FX Configurator-EN.
BFM address
Decimal
(hexadecimal)
Applicable buffer memory
Ethernet diagnostics
display screen
Display contents
32 (20
H) Connection No.1
D Destination existence
confirmation (b1)
Status of each
connection
Connection No.1
Existence confirmation
Pairing open (b7) Paring open
Communication system (protocol)
(b8)
Protocol
Open system (b15, b14) Open system
33 to 39
(21 to 27
H)
Connection No.2 to 8 (same as connection No.1) Connection No.2 to 8 (same as connection No.1)
105 (69
H) Initial error code
Parameter status Module information
Initial error code
106 to 107
(6A to 6B
H)
Local station IP address IP address
108 to 110
(6C to 6E
H)
Local station Ethernet address Ethernet address
120 (78
H)
Connection No.1
Local station Port No. (Decimal)
Status of each
connection
Connection No.1
Local station Port No.
121 to 122
(79 to 7A
H)
Destination IP address Destination IP address
123 (7B
H) Destination Port No. Destination Port No.
124 (7C
H) Open error code Open error code
125 (7D
H) Fixed buffer sending error code Fixed buffer transfer error code
126 (7E
H) Connection end code Connection end code
130 to 199
(82 to C7
H)
Connection No.2 to 8 (same as connection No.1) Connection No.2 to 8 (same as connection No.1)
200 (C8
H) LED on/off status
[INIT.]LED (b0)
LED status LED display status
INIT.
[C1] to [C8] LED (b8 to b15) C1 toC8
[ERR.]LED (b3) ERR.
[COM.ERR.] LED (b4) COM.ERR.
227 (E3
H) Number of error occurrence
Error log
Latest
Number of error occurrences
229 (E5
H)
Error log block 1
Error code/End code Error code/End code
230 (E6
H) Subheader Subheader
231 (E7
H) Command code Command code
232 (E8
H) Connection No. Connection No.
233 (E9
H) Local station Port No. (Decimal) Local station Port No.
234 to 235
(EA to EB
H)
Destination IP address Destination IP address
236 (EC
H) Destination Port No. Destination Port No.
238 to 372
(EE to 174
H)
Error log block 2 to 16 (same as error log block 1) No.2 to 16 (same as error log latest)
376 to 377
(178 to 179
H)
IP
Received IP packet count
Status of each
protocol
IP packet
Total number of echo reply sends
378 to 379
(17A to 17B
H)
Received IP packet count
discarded due to sum check error
Total number echo request sends
380 to 381
(17C to 17D
H)
Sent IP packet total count Total number echo reply receives
408 to 409
(198 to 199
H)
ICMP
Received ICMP packet count
ICMP packet
Total number of receives
410 to 411
(19A to 19B
H)
Received ICMP packet count
discarded due to Sum check error
Total number of Sum check error
annulments
412 to 413
(19C to 19D
H)
Sent ICMP packet total count Total number of sends
414 to 415
(19E to 19F
H)
Echo request total count of
received ICMP packets
Total number echo request
receives
416 to 417
(1A0 to 1A1
H)
Echo reply total count of sent
ICMP packets
Total number of echo reply sends
418 to 419
(1A2 to 1A3
H)
Echo request total count of sent
ICMP packets
Total number of echo request
sends
420 to 421
(1A4 to 1A5
H)
Echo reply total count of received
ICMP packets
Total number of echo reply
receives