LS Industrial Systems MASTER-K80S, Руководство пользователя

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Chapter 8 Communication Function
8-45
8.2.2 Parameter Setting
1) Setting Communications Parameter
(1)
Open a new project file from KGLWIN
Select MK80S as PLC type
(2) After setting communication parameter at KGLWIN. Double click it to activate this window.
(3) Set according to the following table.
Item Setting range
Station No. Station no. from 0 to 31.
Baud Rate 1200, 2400, 4800, 9600, 19200, 38400, 57600 bps
Data Bit 7 or 8 bits
Parity Bit 0, Even or Odd
Stop Bit 1 or 2 bit(s)
Communication
Channel
z
RS232C Null Modem or RS422/485 : It’s a communication channel for the communication,
using MK80S base unit’s built-in communication and Cnet I/F module (G7L-CUEC).
z RS232C Modem (Dedicated Line) : It’s to be selected for the communication, using an
dedicated modem with Cnet I/F module (G7L-CUEB).
z
RS232C Dial Up Modem : It’s to be selected for the general communication connecting through
the telephone line by dial up modem and Cnet I/F module (G7L-CUEB).
Footnote) Using Cnet I/F module (G7L-CUEB) supporting RS232C, RS232C dedicated or
dial-up modem communication can be done, but not through Cnet I/F module (G7L-
CUEC) supporting RS422/485.
Timeout in Master
Mode
z
It’s the time waiting a responding frame since the master MK80S base unit sends a request
frame.
z
The default value is 500ms.
z It must be set in consideration of the max. periodical time for sending/receiving of the master
PLC.
z
If it’s set smaller than the max. send/receive periodical time, it may cause communication error.
User Define Master
/ Slave
If it is set as the master, it’s the subject in the communication system. If it’s set as the slave,
it only responds to the request frame of the master.