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Message Service Transmission Delay
Section 10-5
RECV(098) Instruction
Maximum transmission delay =
CPU Bus Unit service cycle (Local node, 1)
+ CPU Bus Unit service processing time (Local node, 1)
+ Send processing (Command)
+ Transmission delay (Command)
+ Receive processing (Command)
+ CPU Bus Unit service cycle (remote node)
+ CPU Bus Unit service processing time (remote node)
+ Send processing (Response)
+ Transmission delay (Response)
+ Receive processing (Response)
+ CPU Bus Unit service cycle (Local node, 2)
+ CPU Bus Unit service processing time (Local node, 2)
CPU Bus Unit Service
Cycle (Local Node, 1)
The following table shows the service cycle, which depends on the CPU Unit’s
CPU processing mode setting.
Note
CJ2 CPU Units support only Normal Mode.
For details, refer to the CPU Unit’s Operation Manual.
CPU Bus Unit Service
Processing Time (Local
Node, 1)
The following table shows the CPU Bus Unit service processing time, which
depends on the CPU Unit’s CPU processing mode setting.
Note
CJ2 CPU Units support only Normal Mode.
Maximum transmission delay
Execution of RECV(099)
in user program
CPU Bus Unit service cycle
(Local node, 1)
CPU Bus Unit service processing time
(Local node, 1)
Send processing
(Command)
Receive processing
(Command)
Transmission delay
(Command)
CPU Bus Unit service cycle
(Local node, 2)
CPU Bus Unit service
processing time (Local node, 2)
Send processing
(Response)
Transmission delay
(Response)
Transmission delay
(Response)
CPU data set
processing
CPU Bus Unit service processing time
(Remote node)
CPU Bus Unit service cycle
(Remote node)
CPU execution mode
Processing time details
Normal Mode (See note.)
One CPU Unit cycle time
Priority peripheral servicing
Parallel processing with syn-
chronous memory access
0.2 ms + peripheral servicing time (1 ms max. for
peripheral servicing of each Special I/O Unit, CPU
Bus Unit, peripheral port, RS-232C port, and Inner
Board)
Parallel processing with asyn-
chronous memory access
CPU execution mode
Processing time details
Normal Mode (See note.)
Set peripheral servicing time
Default: 4% of CPU Unit cycle time
(10% for CJ2 CPU Units)
Priority peripheral servicing
Parallel processing with syn-
chronous memory access
1 ms max.
Parallel processing with asyn-
chronous memory access
Содержание CJ2H-CPU6 - REV 02-2010
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Страница 38: ...12 Network Configurator Overview Section 1 5...
Страница 58: ...32 Selecting the Network Devices Section 2 3...
Страница 116: ...90 Auxiliary Area Data Section 4 5...
Страница 222: ...196 Message Communications Errors Section 7 6...
Страница 364: ...338 Using the Backup Tool Section 13 3...
Страница 402: ...376 CS CJ series Ethernet Unit Function Comparison Appendix A...
Страница 404: ...378 Ethernet Network Parameters Appendix B...
Страница 406: ...380 TCP Status Transitions Appendix C...
Страница 452: ...426 Precautions for Using Windows XP Vista or Windows 7 Appendix G...
Страница 460: ...434 Index...
Страница 462: ...436 Revision History...
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