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350
Serial Communications
Section 6-1
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 timers/
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 CP1H-CPU - 05-2006
Страница 1: ...OPERATION MANUAL CP1H CPU Unit SYSMAC CP Series CP1H X40D CP1H XA40D CP1H Y20DT D Cat No W450 E1 02...
Страница 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Страница 3: ...iv...
Страница 11: ...xii TABLE OF CONTENTS...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 31: ...xxxii Conformance to EC Directives 6...
Страница 71: ...40 Function Blocks Section 1 5...
Страница 133: ...102 Computing the Cycle Time Section 2 7...
Страница 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Страница 411: ...380 Clock Section 6 8...
Страница 519: ...488 Replacing User serviceable Parts Section 10 2...
Страница 527: ...496 Standard Models Appendix A...
Страница 535: ...504 Dimensions Diagrams Appendix B...
Страница 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Страница 659: ...628 PLC Setup Appendix G...
Страница 665: ...634 Index work words 159 write protection 370...
Страница 667: ...636 Revision History...