LG GLOFA-GM Series User Manual page 114

Chapter 6 System configuration
6.1.6 Dedicated communication with PC & Other company's RS-422 communication
Null-modem communication with PC via RS-232C channel is available.
PC is operated as a master station and Cnet I/F module RS-232C channel is operated as a dedicated
slave.
Cnet I/F module RS-422 channel is operated in user defined mode.
Display data is transmitted to display modules of mosaic panel via Cnet RS-422 channel.
Display transmission data can be read in PC.
[Figure 6.6] Operation system of 7-segment for RS-422
RS-232C Interface
Type
PLC Cnet #1
MMI-PC
GLOFA-PLC
Cnet # 1
RS-422 Interface
RS-232C
Dedicated mode
Other company's
dedicated mode
MOSAIC PANEL
Module setting
RS-422 Channel mode
Stand-alone
User mode
6-6
RS-422 Interface
Station No.
1
channel