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1.1.2 Types of Unit
Types of unit that can perform serial communication
Name
CPU Unit
Serial Communication Unit
(Note 1) The COM.0 port equipped in the CPU unit is a terminal block especially for RS-232C (3-wire type).
1.1.3 Types of Cassette
Types of communication cassette
Model no.
AFP7CCS1
AFP7CCS2
AFP7CCM1
AFP7CCM2
AFP7CCS1M1
(Note 1) For AFP7CCS2, select and use either 3-wire 2-channel RS-232C or 5-wire 1-channel RS-232C. Switching
should be performed using a switch on the Communication Cassette.
(Note 2) For AFP7CCM1 and AFP7CCM2, select and use either RS-422 or RS-485. Switching should be performed
using a switch on the Communication Cassette.
(Note 3) For AFP7CCS1M1, both 1-channel RS-485 and 3-wire 1-channel RS-232C can be used.
1.1.4 Applications that can be Used in Each Port
Available functions for each communication port
Communication function to be used
PLC link
MEWTOCOL7-COM (Note 1)
MEWTOCOL-COM
MODBUS-RTU
General-purpose communication
(Note 1) In MEWTOCOL7-COM, there is no master communication function.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
Model no.
AFP7CPS4E
AFP7CPS3E
AFP7CPS3
AFP7NSC
Communication interface
1-channel RS-232C
3-wire 2-channel RS-232C
5-wire 1-channel RS-232C
1-channel RS-422 / RS-485
2-channel RS-422 / RS-485
1-channel RS-485
3-wire 1-channel RS-232C
Master
Slave
Master
Slave
1.1 Features and Functions of Units
Communication ports that can be allocated
COM.0
COM.1
COM.2
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Communication ports that can be allocated
COM.0
COM.1
COM.2
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Communication ports that can be allocated
COM.0
COM.1
COM.2
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COM.3
COM.4
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COM.3
COM.4
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COM.3
COM.4
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1-3
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