Chapter 14. The RS422/485 communication of GM6-CPUB
14-1
14 The RS422/485 communication of GM6-CPUB
14.1 Introductions
1) The GM6- CPUB module can be used as the master station of RS422/485 network and applicable for
the 1:N network of GLOFA PLCs and/or PC.
2) To operate the GM6-CPUB as the master station, basic parameters and high speed link parameters
should be set properly.
3) The dedicated GLOFA Cnet protocol is used for transmission control.
4) The GM6-CPUA and GM6-CPUC does not support the master station function.
14.2 Features
1) Max. 64 high speed link items can be assigned.
2) Max. 32 stations can be linked.
3) According to the parameter setting, the operation mode and error code of slave stations is stored at the
relevant flag.
4) The communication status can be monitored with the monitoring function of GMWIN software.