Modbus Communication Log (Flog) - YOKOGAWA GX10 User Manual

2.10.15 Modbus Communication Log (FLog)

IM 04L51B01-17EN
The output in response to the command "FLog,Modbus" is shown below.
Syntax
EA<crlf>
yyyy/mo/dd_hh:mm:ss_c_xxxxxx_kkk...k_nnn_d<crlf>
...
EN<crlf>
yyyy/mo/dd_hh:mm:ss Time of error occurrence
c Communication type
xxxxxx Event that occurred (fixed to 6 characters)
kkk...k Details (fixed to 15 characters. Unused character positions are
filled with spaces. See table below.)
nnn Command number (0 to 999)
d Command type
*
Detail Meaning
SKIP Command not set.
INVALID Command cannot be executed.
WAITING Server/slave communication recovery wait.
CLOSED Server/slave connection closed.
RESOLVING Server/slave connection being established (resolving address).
Server/slave connection being established (requesting connection).
CONNECTING
Server/slave connection failed (peer not found).
UNREACH
TIMEDOUT Server/slave connection failed (timeout occurred).
BROKEN Response message corrupt (CRC error).
ERR_FC Response message was an illegal function message.
ERR_ADDR Response message was an illegal data address message.
ERR_VALUE Response message was an illegal data value message.
Response message was a slave device failure message
ERR_DEVICE
ERR_ACK Response message was an acknowledge message.
ERR_BUSY Response message was a slave device busy message.
ERR_NEGATIVE Response message was a negative acknowledge message.
ERR_GATE_PATH Response message was a gateway path unavailable message.
Response message was a gateway target device failed to respond
ERR_GATE_TARGET
message.
BAD_SLAVE The slave address of the response message is invalid (does not
match the command).
BAD_FC The function code of the response message is invalid (does not
match the command).
yyyy Year (1900 to 2099)
mo Month (01 to 12)
Day (01 to 31)
dd
Hour (00 to 23)
hh
mm Minute (00 to 59)
ss Second (00 to 59)
M Modbus master
C Modbus client
Activated
ACTIVE
READY_ Command ready state
CLOSE_ Disconnected
HALT_¯ Command halted
_¯_¯_¯ Other than those above
R Read
Write
W
O Write immediately (write from the custom display)
N Miscellaneous
2.10 ASCII Output Format
2-139
1
2
App