LSIS XGL-C22A, User Manual, Page: 56 / 299

Chapter 6 Communication Parameter
6-4
6.2 Transmission Standard
In order to use the Cnet I/F module, set the transmission standard like baud rate, data/stop bit. The basic setting
item of Cnet I/F module should be same with transmission standard of system. The written contents are saved in the
CPU module of PLC, those are kept regardless of power supply unit the user write new one.
6.2.1 Setting item
Setting item of Cnet is shown in [Table 6.2.1].
Item Setting value Default Reference
Communication type RS-232C / RS-422 / RS-485 RS-232C Setting is essential
Baud rate (bps)
300/600/1,200/1,800/2,400/3,600/4,800/7,200
/9,600/19,200/38,400/57,600/64,000/115,200
9,600
Data
type
Data bit 7/8 8
Stop bit 1/2 1
Parity bit None/Even/Odd/Ignore None Check specific information
Modem type Null modem / dedicated modem / dial up modem Null modem
Dedicated service
driver
XGT dedicated XGT server
XGT server
(XGT
dedicated
communication)
Check specific information
Modbus
RTU/ASCII server
Bit read/write area
Word read/write area
Station number 0 ~ 31 0
Commonly used to all
services
[Table 6.2.1] Cnet basic setting item
Since the Cnet I/F module provides two communication channels, Cnet basic setting is necessary for each cannel.
According to communication module, RS-232C 2 ports, RS-232C 1port/RS-422 1 port, RS-422 2 ports is provided.
Additional information of some items in [Table 6.2.1] is as follows.