Mewtocol Communication With I/O Type; Overview Of Mewtocol-Com - Panasonic KR20 User Manual

5.7 MEWTOCOL communication with I/O type

For 1:N topology with I/O type, using master's I/O can not control slave's I/O. In order to control I/O
of master and slave, connect computer or PLC in the upper level and control by command from
upper level. (except [I/O] 1:N topology for report)
In this case, wireless unit is located in the same as equipment with MEWTOCOL protocol.
And transferring data to equipment with MEWTOCOL protocol connected to slave can execute via
slave by registering as terminal using setting tool.
RS232C
ME WTOCOL command
This chapter explains about the overview of MEWTOCOL-COM that can be used for KR20 wireless
unit.

5.7.1 Overview of MEWTOCOL-COM

Command and response functions
The computer sends commands (instructions) to Wireless unit, and receives responses in return.
This enables the computer and Wireless unit to converse with each other, so that various kinds of
information can be obtained and provided.
Computer
Command and response formats
(Host computer)
Header
(Wireless unit)
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
Computer
Master
Slave
Equipment
with MEWTOCOL
①Commands
②Responses
Command message
Des-
Text
tination
Slave (Repeater)
Switch
Slave
DC
Power supply
Wireless unit
*Only single-frame for data frame.
Check Termi-
code nator
Header
Equipment
with MEWTOCOL
RS232C
Drive circuit
Flasher
Drive circuit
(To next command)
Check
Source Text
code
Normal response message
Display board
Termi-
nator
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