Table of Contents
1 Unit Functions and Restrictions on Combination .............................1-1
1.1 Features and Functions of Units.........................................................1-2
1.1.1 Functions of Units ............................................................................ 1-2
1.1.2 Unit type........................................................................................... 1-3
1.1.3 Types of Cassette ............................................................................ 1-3
1.1.4 Applications that can be Used in Each Port..................................... 1-3
1.2 Overview of Communication Functions ..............................................1-5
1.2.1 PLC Link Functions (MEWNET-W0) ................................................ 1-5
1.2.2 MEWTOCOL Master/Slave Communication.................................... 1-5
1.2.3 MODBUS RTU Master/Slave Communication................................. 1-7
1.2.4 General-Purpose Communication.................................................... 1-8
1.3 Restrictions on Units Combination......................................................1-9
1.3.1 Restrictions on the Number of Installed Units.................................. 1-9
1.3.2 Restrictions on the Combination of Extension Cassettes
(Communication Cassettes).............................................................. 1-9
1.3.3 Restrictions on Communication Functions to be Used .................... 1-9
1.3.4 Unit to be Used and Applicable Versions of CPU Unit and FPWIN
GR7................................................................................................... 1-9
1.3.5 Restrictions on Consumption Current .............................................. 1-10
2 Names and Functions of Parts ............................................................2-1
2.1 Names and Functions of Parts............................................................2-2
2.1.1 Communication Port of CPU Unit .................................................... 2-2
2.1.2 Parts Names and Functions of Serial Communication Unit ............. 2-3
3 Wiring the COM. Port............................................................................3-1
3.1 Attaching a Communication Cassette.................................................3-2
3.1.1 Attachment Instructions ................................................................... 3-2
3.2 Wiring of COM. Port Terminal Block ...................................................3-3
3.2.1 Suitable Wires and Tools ................................................................. 3-3
3.2.2 Applicable Cable .............................................................................. 3-4
3.2.3 Wiring Method.................................................................................. 3-5
3.3 Wiring for CPU Unit (GT Power Supply and COM.0 Port)..................3-7
3.3.1 Handling of GT Power Supply Terminals ......................................... 3-7
3.3.2 Terminal Layouts and Examples of Wiring....................................... 3-7
3.4 Wiring for Communication Cassettes COM.1 to COM.4 Ports ...........3-9
3.4.1 Communication Cassette AFP7CCRS1 (RS-232C, 1-Channel
Insulated Type) ................................................................................. 3-9
3.4.2 Communication Cassette AFP7CCRS2 (RS-232C, 2-Channel
Insulated Type) ................................................................................. 3-9
3.4.3 Communication Cassette AFP7CCRM1 (RS-422 / RS-485, 1-
Channel Insulated Type) ................................................................... 3-12
3.4.4 Communication Cassette AFP7CCRM2 (RS-422 / RS-485, 2-
Channel Insulated Type) ................................................................... 3-15
3.4.5 Communication Cassette AFP7CCRS1M1 (RS-232C 1-Channel +
RS-485 1-Channel Insulated Type) .................................................. 3-18
WUME-FP7COM-07
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