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390
Serial Communications
Section 6-3
Procedure
Host Link Commands
The following table lists the host link commands. Refer to the
SYSMAC
CS/CJ-series Communications Commands Reference Manual
(W342) for
more details.
Set the PLC Setup from the CX-
Programmer.
(Set the communications mode to
Host Link
and set the parameters.)
Power OFF
Connect the CPU Unit and external device
via RS-232C. (Mount the RS-232C Option
Board in option slot 1 or 2.)
Set the DIP switch on the front of
the CPU Unit.
Turn pin 4 OFF when suing serial port 1.
Turn pin 5 OFF when suing serial port 2.
Power ON
Host computer to PLC
PLC to Host computer
Send Host Link
commands from
the host computer.
Send FINS
commands from
the host computer.
Execute SEND/RECV/CMND
instructions in the PLC’s program.
Return a response from the host
computer. (A program is required in
the host computer.)
Type
Header
code
Name
Function
I/O mem-
ory read
commands
RR
CIO AREA READ
Reads the contents of the specified number of CIO Area words starting from
the specified word.
RL
LINK AREA READ
Reads the contents of the specified number of Link Area words starting from
the specified word.
RH
HR AREA READ
Reads the contents of the specified number of Holding Area words starting
from the specified word.
RC
PV READ
Reads the contents of the specified number of timer/counter PVs (present
values) starting from the specified timer/counter.
RG
T/C STATUS READ Reads the status of the Completion Flags of the specified number of tim-
ers/counters starting from the specified timer/counter.
RD
DM AREA READ
Reads the contents of the specified number of DM Area words starting from
the specified word.
RJ
AR AREA READ
Reads the contents of the specified number of Auxiliary Area words starting
from the specified word.
Содержание CP1L CPU UNIT - 03-2009
Страница 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
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Страница 22: ...xxii...
Страница 34: ...xxxiv Conformance to EC Directives 6...
Страница 70: ...36 Function Blocks Section 1 5...
Страница 584: ...550 Trouble Shooting Section 8 7...
Страница 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Страница 630: ...596 Sample Application Section 9 12...
Страница 654: ...620 Troubleshooting Unit Errors Section 11 4...
Страница 662: ...628 Replacing User serviceable Parts Section 12 2...
Страница 668: ...634 Standard Models Appendix A...
Страница 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Страница 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Страница 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Страница 806: ...772 Index...
Страница 808: ...774 Revision History...