Rules In Configuration; Connection Method - Mitsubishi Electric F920GOT-K Hardware Manual

GOT-F900 SERIES (CONNECTION)
7.3

Rules in Configuration

The GOT-F900 is equipped with two or more built-in serial communication connectors. Through
alternate connection, up to four GOT-F900 units can be connected.
This section explains the rules in configuration through alternate connection.
7.3.1

Connection Method

By using the two-channel serial communication function built in the GOT, two or more GOT units can be
connected alternately (daisy chain connection).
1) Connection condition
Two or more GOT units can be connected to the following equipment.
- The CPU of the FX/A/QnA/Q Series PLC
- The QnA/Q Series serial communication unit
- A personal computer or microcomputer board
2) Example of connection using F940GOT units
Connected
equipment
(RS-422)
3) Example of connection including a Handy GOT unit
Connected
equipment
(RS-422)
In RS-422 connection, one F940 Handy GOT unit can be connected.
4) Example of unallowable connection
Connected
equipment
(RS-422)
Connected
equipment
(RS-422)
F940GOT F940GOT
RS-422 RS-422
RS-232C RS-232C
F940GOT F940GOT
RS-422 RS-422
RS-232C RS-232C
F940GOT
Connected
RS-422
equipment
RS-232C
(RS-232C)
F940GOT F940GOT
RS-422 RS-422
The "1:N" link connection with RS-422/485 is not allowed.
Connection of Two or More GOT Units 7
F940GOT F940GOT
RS-422 RS-422
RS-232C RS-232C
F943 Handy
GOT
F940GOT
RS-422
RS-232C
Only one equipment can be
connected to one GOT unit.
F940GOT F940GOT
RS-422 RS-422
7-6