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41
Selecting the Serial Communications Mode
Section 1-8
1-8
Selecting the Serial Communications Mode
Serial Communications Mode
Reference
•
Host computer
Communicating
using an OMRON
protocol
Host Link
Host computer
(Host computer:PLC
= 1:1 or 1:N)
C-mode commands
or FINS commands
Command
interpretation
by PLC
Command sent
to host computer
(Host computer:PLC
= 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.
PLC
•
OMRON
component
Protocol macro
Protocol macro
•
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)
Connect Device
Execute using PMCR instruction.
Execute using CMND instruction.
Through network
Execute using CMND instruction.
Through network
Serial Gateway
Serial Gateway
Serial Gateway
Serial Gateway
Serial Gateway
•
OMRON PLC
CS/CJ Series or
CVM1/CV Series
Serial Gateway
Serial Gateway
Through network
1:1 Host Link
•
OMRON
component
CompoWay/
F-compatible
•
Modbus-com-
patible device
(including
OMRON
components)
Modbus-RTU-
compatible
•
Modbus-com-
patible device
(including
OMRON
components)
Modbus-ASCII-
compatible
Execute using CMND/SEND/RECV
instruction.
Execute using CMND instruction.
Through network
•
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.
Protocol macro
•
Section 5 Using
Protocol Macros
•
CX-Protocol Operation
Manual (W344)
No-protocol
•
Reusing host
computer
programs for
existing PLC
•
Reusing host computer programs for 1:1 Host Link
created using C200H/C1000H/C2000H PLCs
•
Reusing host computer programs for Host Link created
using CVM1-series PLCs
Used with Host Link compatible
device selection function (Select
C mode or D mode)
Host Link compatible device
selection function (Select B mode)
•
General-
purpose
external device
Sending/receiving
data in a single
direction from/to a
device such as a bar
code reader or printer
User-created protocol
using ladder program
Modbus-RTU
Slave
Modbus-RTU
commands
sent from host
Section 9 Using Modbus-
RTU Slave Mode
(Unit Version 1.3 or later)
Содержание SYSMAC CJ1W-SCU21-V1
Страница 3: ...iv...
Страница 5: ...vi...
Страница 9: ...x...
Страница 15: ...xvi...
Страница 89: ...60 Basic Operating Procedure Section 1 9...
Страница 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Страница 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Страница 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Страница 277: ...248 Communications Frames Section 6 8...
Страница 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Страница 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Страница 391: ...362 Introduction Appendix A...
Страница 421: ...392 CompoWay F Master Protocol Appendix B...
Страница 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Страница 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Страница 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Страница 627: ...598 ES100 Digital Controller Protocol Appendix K...
Страница 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Страница 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Страница 717: ...688 Visual Inspection System Protocol Appendix O...
Страница 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Страница 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Страница 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Страница 781: ...752 Revision History...