LG GLOFA-GM Series User Manual page 145

Chapter 7 Communication function
③ Perform setting as below.
Item
Selt-station No.
Communication
speed
Data bit
Parity bit
Stop bit
Communication
channel
Time-out when
setting master
User defined
master/slave
0 to 31 station can be set.
1200, 2400, 4800, 9600, 19200, 38400 or 57600 bps is available for setting.
7 or 8 bit can be set.
No, Even or Odd is available for setting.
1 or 2 bit can be set.
• RS232C null modem or RS422/485 : selected for communication via GM7 basic unit's
built-in function and Cnet I/F module(G7L-CUEC).
• RS232C dedicated modem : selected for dedicated modem communication via Cnet
I/F module(G7L-CUEB).
• RS232C dial-up modem : selected for normal modem communication by phone-
connection with other station via Cnet I/F module(G7L-CUEB).
Note) RS232C dedicated modem communication and RS232C dial-up modem
communication are available only in Cnet I/F module(G7L-CUEB) supporting
RS232C while unavailable in Cnet I/F module(G7L-CUEC) supporting RS422/485.
• Waiting time for response frame after request frame is transmitted to GM7 basic unit
set to master.
• Default value is 500ms.
• It needs setting in consideration of max. cycle of TX/RX in master PLC.
• If the value which is smaller than max. cycle of TX/RX is set, communication error
may occur.
If set to master, it can be main body in communication system and if set to slave, it just
responds to request frame of master.
7-26
Setting contents