Omron CJ1W-SCU41, Operation Manual

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Serial Communications Mode
Reference
•
Host computer Communicating
using an OMRON
protocol
Host Link
Host computer (Host computer:PC
= 1:1 or 1:N)
C-mode commands
or FINS commands
Command
interpretation
by PC
Command sent
to host computer
(Host computer:PC
= 1:1) FINS
commands
Creating
communications
frame for a host
computer protocol Protocol macro
Standard system
protocol
Use a standard
system protocol.
User-created
protocol
Use the CX-Protocol to
change a standard
system protocol.
•
General-
purpose
external device
Protocol (including
no-protocol) used
mainly for stop-start
synchronous data
sending and reception Use the CX-Protocol to
create a new protocol.
•
Programming
Device (but not a
Programming
Console)
Remote
programming and
monitoring via a
modem
Note When a Programming Device is connected
to the PC, the Peripheral Bus can be used
by connecting to the ports on the CPU Unit.
This is faster than using Host Link commu-
nications.
•
OMRON
Programmable
Terminal (PT)
High-speed
communications
for multiple PTs
(up to eight).
1:N NT Link
Low-speed
communications
and only one PT
PC
•
OMRON
component
Protocol macro
Protocol macro
Protocol macro
Host Link
Host Link
•
Communications
Commands Reference
Manual (W342)
•
Section 4 Using Host
Link Communications
•
Section 5 Using
Protocol Macros
•
CX-Protocol Operation
Manual (W344)
•
Section 5 Using
Protocol Macros
•
Appendices B to O
•
Section 5 Using
Protocol Macros
•
CX-Protocol Operation
Manual (W344)
•
Section 5 Using
Protocol Macros
•
CX-Protocol Operation
Manual (W344)
•
Section 4 Using Host
Link Communications
•
Communications
Commands Reference
Manual (W342)
•
Section 6 Using 1:N
NT Links
•
Section 4 Using Host
Link Communications
Connect Device
Note The PT must also be set for a 1:N NT Link.
Communications will not be possible if the
PT is set for a 1:1 NT Link.