Yaskawa MP3200 Troubleshooting Manual - Manual (Page 113)

5.2 Troubleshooting Message Communications
Other Problems during Message Communications
5-38
Other Problems during Message Communications
If the problem cannot be resolved with the corrections that are given in Checking the Switch Settings (page
5-13) to Communications Stopped during Message Communications (page 5-36), perform troubleshooting
with the following table.
Communications
Function Module
Error Cause Correction
218IFD
In a configuration
where the remote sta-
tion is the master sta-
tion and the local
station is the slave sta-
tion, the remote station
cannot write to certain
register addresses in
the Machine Controller.
There are errors in the follow-
ing parameter settings of the
MSG-RCVE function.
• PARAM36 and PARAM37
(M writing range lower limit)
• PARAM38 and PARAM39
(M writing range upper limit)
• PARAM40 and PARAM41
(G writing range lower limit)
• PARAM42 and PARAM43
(G writing range upper limit)
• PARAM44 and PARAM45
(O writing range lower limit)
• PARAM46 and PARAM47
(O writing range upper limit)
Correct the parameter settings of
the MSG-RCVE function where
the errors exist.
Refer to the following manual for
details on the parameters of the
MSG-RCVE function.
MP3000 Series Communica-
tions User’s Manual (Manual
No.: SIEP C880725 12)
In a configuration
where the local station
is the master station
and the remote station
is the slave station, the
Machine Controller
cannot read or write
from/to certain register
addresses in the remote
station.
An attempt has been made to
access special registers or
memory-protected registers in
the remote station.
Check the specifications of the
device that is used as the remote
station.
The addresses of the
registers to read/write
from the local station to
the remote station and
those of the registers to
read/write from the
remote station to the
local station are incon-
sistent.
There are errors in the follow-
ing parameter settings of the
MSG-RCVE function.
• PARAM20 and PARAM21
(coil offset)
• PARAM22 and PARAM23
(input relay offset)
• PARAM24 and PARAM25
(input register offset)
• PARAM26 and PARAM27
(hold register offset)
• PARAM28 and PARAM29
(data relay offset)
• PARAM30 and PARAM31
(data register offset)
• PARAM32 and PARAM33
(output coil offset)
• PARAM34 and PARAM35
(output register offset)
Correct the parameter settings of
the MSG-RCVE function where
the errors exist.
Refer to the following manual for
details on the parameters of the
MSG-RCVE function.
MP3000 Series Communica-
tions User’s Manual (Manual
No.: SIEP C880725 12)
Continued on next page.