User Manual
4-21
IM 04L21B01-17EN
Responses
1
2
3
4
5
6
App
Index
Modbus Communication Log
• The FL command is used to output the data.
• The Modbus communication log is output. Up to 50 Modbus communication events
are retained.
• Syntax
EACRLF
yy/mo/dd_hh:mm:ss_c_xxxxxxx_kkkk_nn_dCRLF
···································
ENCRLF
yy
Year (
00
to
99
)
mo
Month (
01
to
12
)
dd
Day (
01
to
31
)
hh
Hour (
00
to
23
)
mm
Minute (
00
to
59
)
ss
Second (
00
to
59
)
c
Communication type (
C
or
M
)
C:
Modbus client (Ethernet)
M:
Modbus master (serial)
xxxxxxx
Even that occurred (7 characters)
DROPOUT:
Communication could not keep up and drop out
occurred.
ACTIVE:
Activated.
READY:
Command ready state.
CLOSE:
Disconnected.
HALT:
Command halted.
kkkk
Detail (4 characters)
GOOD:
Normal operation
NONE:
No response from the slave device.
FUNC:
Received a function error.
REGI:
Received a register error.
ERR:
Received a packet error.
LINK:
Ethernet cable disconnected (Modbus client).
HOST:
Unable to result the IP address from the host name
(Modbus client).
CNCT:
Failed to connect to the server (Modbus client).
SEND:
Failed to send the command (Modbus client).
BRKN:
Failed to receive the command.
Space At command start
nn
Command number (
1
to
16
, space)
d
Command type (
R
,
W
, space)
R:
Read
W:
Write
_
Space
• Example
EA
11/05/1112:20:00CDROPOUT
11/05/1112:21:00CREADY NONE01R
11/05/1112:25:00CHALT NONE01R
EN
4.2 Output Format of Text Data