Omron C200HW-COM01, Руководство по эксплуатации

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2
1-1 Functions
The Communications Boards are optional boards that can be installed in the op-
tion slot of various C200HX/C200HG/C200HE CPU Units (CPU
j 5-E,
CPU
j
4-E, CPU
j
3-E, CPU
j
2-E).
1-1-1 Features
The following features are provided by mounting a Communications Board in
the option slot of a CPU Unit.
The CPU Unit can be connected to Controller Link, SYSMAC LINK, SYSMAC
NET or other Communications Units via a Bus Connection Unit.
Communications Unit
CPU Unit
Communications Board
Bus Connection Unit
Expanded Communications
Host Link Communications: 1:N
The PC can be controlled from a host computer (personal computer or Program-
mable Terminal (PT)) to read/write I/O memory, control the operating mode of
the PC, etc. The PC can also use the TXD instruction to send specified words in
I/O memory to a host.
Host computer
Host Link commands
TXD instructions
CPU Unit
Communications Board
RS-232C or RS-422A
Note The RP Host Link command can be used for C200HX//HE/HE-CPU jj -ZE
CPU Units only when a V1 Communications Board is mounted.
Non-procedure Communications
Simple (no-protocol) data transfers are possible using the communications port
I/O instructions (TXD and RXD) to input data from a bar code reader, output data
Connection to
Communications Units via
CPU Bus
Functions
Section 1-1