
Master Unit Setup
(4) Select “Routing Setting”->“Master Unit Setup” in menu to set master.
Master unit setup window is opened.
Input Unit No. and name.
Basically, specify “0” for Unit No.
(If several masters are in RS485 communication line, it is necessary to change Unit No. In this case,
there are some restrictions such as that slave registration is completed.)
For naming, it is possible to use alphabet and numbers up to 8 letters.
For the protocol, select “[DATA] XXXXX” with RS485 type and select “[I/O] XXXXX” with I/O
ype. Any other protocol is not used with “1:N topology”.
t
Communication protocol
name in setting tool
Description
RS485 type for our company’s MEWTOCOL communication
(1:N)
[DATA] MEWTOCOL
[DATA] MODBUS ASCII
RS485 type for MODBUS ASCII (1:N)
[DATA] MODBUS RTU
RS485 type for MODBUS RTU (1:N)
RS485 type for our company’s GT programmable display
general purpose communication (Dedicated protocol)
[DATA] GT Series Orignal
[DATA] Message Runner
Original
RS485 type for our company’s Message runner general
purpose protocol communication (Dedicated protocol)
[I/O] MEWTOCOL (Event)
I/O type for MEWTOCOL communication(1:N topology Event)
I/O type for MEWTOCOL communication (1:N topology
Polling)
[I/O] MEWTOCOL (Polling)
[I/O] 1:N topology for report
I/O type for 1:N topology for report (trouble report application)
・
For 1:N topology of I/O type, you can select either “Event” that perform the wireless communication
when there is the data communication from upper level, or “Polling” that always perform the
wireless communication in series from a master to slaves that is connected.
・
For Event, even if the input signal is input from the upper level to the slave as long as information
on the slave is not inquired, information is not transmitted. It is possible to communicate at the
shortest time if communicate only when it is necessary. Please select this system if you use data
communication mainly, and want to use the output signal possibly.
5-11
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Содержание KR20
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