Chapter 8. Communication Functions
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8.5 Remote Connection and Communication I/F Module
8.5.1 Remote connection
GM7U series can connect to other PLC by built-in Cnet interface or communication I/F modules.
1) Remote connection by built-in Cnet I/F
Remote connection by built-in Cnet I/F is available by dedicated communication protocol only.
If GMWIN and Master station is connected physically, it can connect to each slave station using remote connection
function.
Master station
Ch.1, RS-485 multi-drop system
Using built-in Cnet
Ch.0 RS-422/485 multi-drop system
Using G7L-CUEC
G7L-CUEC
G7L-CUEC
Ch0, Slave station#2
Ch.1 Slave, station #2
Ch.1 Slave, station #31
GMWIN
Local connection
Ch.0 Slave, station #1
Ch0, Slave station#31
RS
485 I/F
RS-422/485 I/F