Chapter 14. The RS422/485 communication of GM6-CPUB
14-2
14.3 Parameter setup
To start RS422/485 communication,
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The CPU module type should be a B-type CPU. (GM6-CPUB)
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Set the communication parameters of the ‘Basic Parameters’ of GMWIN software.
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Set the ‘High speed link 1’ of the ‘High Speed Link Parameters’
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Enable the high speed link 1 with ‘Link Enable…’ menu.
1) Basic parameter setup
a) Station number : Assign the station number of master station in the range of 0 ~ 31
b) Baud rate : Select the communication as 9600, 19200 or 38400 bps.
c) Master/Slave : Only GM6- CPUB can be set as master station. If the CPU is selected as
master station, the network type of high speed link 1 is automatically set as GLOFA 422/485.
d) Timeout : Set the period that the interval until a timeout error occurs. The default value is
500msec and minimum value is 10msec (1
×
10msec).
e) Read status of slave PLC : If check this item, the master station reads the status of slave
PLCs and store the status at the corresponding flags.
