Mitsubishi Electric MELSEC System Q Installation Manual page 86

4. SSCNET COMMUNICATION DRIVERS
(2) For RS232C communication
Table 4.4 Communication Errors during RS232C Communication
Error Code
-255
6 and 16130
POINT
If a communication error occurs at any point during communication using
RS232C, check the power saving setting of the personal computer.
If the RS232C item is valid in the power saving setting, make it invalid since
an error may occur during communication.
For details of the power saving setting, refer to the manual of the personal
computer used.
Error Message
This error may occur during RS232C communication if:
• Communication is made using old SNETP which is
incompatible with RS232C communication. (Ver.00C
or earlier)
• Communication is made after reinstalling the new
version of SNETP without uninstalling its old version.
[Action]
When making RS232C communication, uninstall old SNETP
(refer to Section 3.5), then install and use SW3RN-SNETP
Ver. 00D or later.
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