2
Using this Manual Section 1-1
1-1 Using this Manual
This manual is structured to provide information on Host Link, protocol macro,
and 1:N NT link communications in functional units, as would be required in
actual applications. You should read Section 1 Introduction first, and then read
information in the rest of the manual and related manuals as required by your
specific application.
Information Section or Manual
Overview and appearance of the Serial Communi-
cations Boards and Serial Communications Unit
1-2 Overview
2-1 Component Names and Functions
Overview, features, and specifications of serial
communications
1-3 Protocol Overview
1-4 Features
1-6 Specifications
4-1 Host Link Communications
5-1 Overview of the Protocol Macro Functions
8-1 Overview of 1:N NT Links
Basic procedures and operations 1-9 Basic Operating Procedure
Selecting serial communications modes 1-8 Selecting the Serial Communications Mode
System configurations for serial communications
modes
1-5 System Configurations
Memory Area allocations to the Serial Communica-
tions Boards and Serial Communications Unit
2-2 Data Exchange with the CPU Unit
2-3 I/O Memory Allocations
Installing and wiring the Serial Communications
Boards and Serial Communications Unit
Section 3 Installation and Wiring
Memory Area allocations to individual serial com-
munications modes
4-2, 5-2, and 8-2 Setup Area Allocations
4-3, 5-3, and 8-3 Auxiliary Area and CIO Area Allo-
cations
Communications timing for slave-initiated Host Link
communications
4-4 Communications Timing
Ladder diagram programming in protocol macros 5-4 Using Protocol Macros
Loopback tests for ports Section 10 Loopback Test
Changing the communications port settings during
operation
Appendix R Changing Communications Port
Settings Using STUP(237)
Troubleshooting and maintenance Section 11 Troubleshooting and Maintenance
The contents of standard system protocols and
connection methods to OMRON components
Appendix A to Appendix N
Details on Host Link communications (including
ladder diagram programming for slave-initiated
communications)
SYSMAC CS/CJ-series
CS1G/H-CPU@@-E, CS1W-SCB21/41,
CS1W-SCU21 Communications Commands
Reference Manual (W342)
Details on C-mode commands
Details on FINS commands
Details on the protocol macro function SYSMAC WS02-PSTC1-E
CX-Protocol Operation Manual (W344)