If Communication Over Sscnet Or Via Rs232C Fails With Gsv[ ][ ]P - Mitsubishi Electric MELSEC System Q Installation Manual

5. TROUBLESHOOTING
5.2

If communication over SSCNET or via RS232C fails with GSV[ ][ ]P

No.
Communication error "-255" occurred during communication
over SSCNET.
1
Communication error "6" occurred during communication via
RS232C.
2
Communication error "16130" occurred during communication
via RS232C.
3
Refer to the description of "Remedy" in the error message basically for the action
to be taken upon a communication error.
If the problem is not removed, refer to the table below for corrective action.
Phenomenon
*1: Refer to section 3.4.6(1) to install the best SNETP.
If communication is made only with the A motion, install SW3RN-SNETP.
1) The actually connected channel does not agree with the
setting.
Refer to section 4.6 "Communication setting with GSV[ ][
]P" to check the SSCNET communication channel.
2) The SSCNET communication driver is not set up correctly.
Set up the SSCNET communication driver to perform
communication over SSCNET.
Refer to section 4.1 "SSCNET communication driver setup
procedure" to set up the driver.
When SW3RN-SNETP (Ver. 00C or earlier) is in use, the
phenomenon described on the left may occur.
• Refer to "3.7 Updating Instructions and Procedures" and
update one set of SW3RNC-GSVE.
• When it is not updated, follow the remedy since the
possible cause is any of the following 1) to 5).
1) SNETP of an early version is used.
Uninstall the early version and install the new version of
SNETP that supports the A motion. (*1)
2) Two or more copies of SNETP of different versions are
installed.
Uninstall all copies of SNETP.
If any system directory (file) of SNETP remains after they
are uninstalled, delete using Explorer or the like.
Next, install only one copy of SNETP of a version that
supports the A motion. (*1)
3) Both SW3RN-SNETP and SW6RN-SNETP Ver.00A are
installed in one PC.
Uninstall both SW3RN-SNETP and SW6RN-SNETP
Ver.00A and install either one again. (*1)
4) Windows 98, Windows NT and Windows 2000 are installed
in one PC and SNETP of different versions is installed in
each drive.
Uninstall all copies of SNETP then install SNETP of a
single version that supports the A motion to both the
Windows 98 Windows NT and Windows 2000 drives. (*1)
5) Windows 98 Windows NT and Windows 2000 are installed
in one PC and SW3RN-SNETP and SW6RN-SNETP
Ver.00A are installed in each drive.
Uninstall all copies of SNETP then install SNETP of a
single version that support the A motion to both the
Windows 98 Windows NT and Windows 2000 drives. (*1)
5 − 2
Cause and remedy