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Performance

SYSMAC-NJ series CX-Compolet connection

Add array OPCItems as Advise from a OPC Client.
It is measured reading time from added OPCItems. Communication performance is defined as average time of ten times measurement.
This time means to read the value of a continuous area of the device.

PC specification

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OS Windows 7 Professional 64bit OS
CPU Intel(R) Core(TM) i7 CPU 860 @2.80GHz
Memory 8.00GB
OPC Server DxpSERVER OPC Server Ver5.0.1.1
OPC Client OPCClient sample VcSampleOpc(C++)
Cable 100BASE-TX cross cable connecting directly

OPC Server setting

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Protocol Timer Tick 10msec
Timer Tick for Async Update Mode 10msec
Multi Access Mode Enable
Multi Access for Snyc Asnyc Disabled
Async Update Mode Disabled

PLC setting

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CPU NJ501-1500(Built in Ethernet)
Register TestArray(SHORT array)
Max scan time 0.0045msec

Communication Performance

(sec)

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  1024 2048 4096 8192 16K 32K 64K 128K
Average 0.048 0.048 0.048 0.077 0.176 0.375 0.832 1.341
Max 0.049 0.049 0.049 0.098 0.196 0.448 0.942 1.590
Min 0.047 0.047 0.047 0.047 0.145 0.343 0.713 1.260

Results

In case of accessing array tag, it is possible to get max 64,000 points per sec.

Comment

*Graph displays average time of ten times measurement.(1point = 1word)
*In case of 128K points access , Read 64K points by using 2 devices.( 64K point per 1 device).
*The result only means our examination, it doesn't guarantee performance.
[Aug 2012]

SYSMAC-CJ series Ethernet connection

Add array OPCItems as Advise from a OPC Client.
It is measured reading time from added OPCItems. Communication performance is defined as average time of ten times measurement.
This time means to read the value of a continuous area of the device.

PC specification

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OS Windows 7 Professional 64bit OS
CPU Intel(R) Core(TM) i7 CPU 860 @2.80GHz
Memory 8.00GB
OPC Server DxpSERVER OPC Server Ver5.0.1.1
OPC Client OPCClient sample VcSampleOpc(C++)
Cable 100BASE-TX cross cable connecting directly

OPC Server setting

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Protocol Timer Tick 10msec
Timer Tick for Async Update Mode 10msec
Multi Access Mode Enable
Multi Access for Snyc Asnyc Disabled
Async Update Mode Disabled

PLC setting

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CPU CJ2HCPU64-EIP
Register DM0-DM16383
Max scan time 0.85msec

Communication Performance

(sec)

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  1024 2048 4096 8192 16K 32K 64K 128K
Average 0.021 0.047 0.096 0.186 0.359 0.686 1.067 1.567
Max 0.027 0.048 0.097 0.197 0.394 0.694 1.132 1.632
Min 0.016 0.047 0.095 0.145 0.342 0.643 0.987 1.484

Results

In case of continuous Data memory(DM), it is possible to get max 58,000 points per sec.

Comment

*Graph displays average time of ten times measurement.(1point = 1word)
*In case of 32K points access , Read 32K points by using 2 devices.( 16K point per 1 device).
*The result only means our examination, it doesn't guarantee performance.
[Aug 2012]

SYSMAC-CJ series SysmacGateway connection

Add array OPCItems as Advise from a OPC Client.
It is measured reading time from added OPCItems. Communication performance is defined as average time of ten times measurement.
This time means to read the value of a continuous area of the device.

PC specification

* You can scroll this table sideways.

OS Windows 7 Professional 64bit OS
CPU Intel(R) Core(TM) i7 CPU 860 @2.80GHz
Memory 8.00GB
OPC Server DxpSERVER OPC Server Ver5.0.1.1
OPC Client OPCClient sample VcSampleOpc(C++)
Cable 100BASE-TX cross cable connecting directly

OPC Server setting

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Protocol Timer Tick 10msec
Timer Tick for Async Update Mode 10msec
Multi Access Mode Enable
Multi Access for Snyc Asnyc Disabled
Async Update Mode Disabled

 

PLC setting

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CPU CJ2HCPU64-EIP
Register DM0-DM32767
Max scan time 0.33msec

Communication Performance

(sec)

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  1024 2048 4096 8192 16K 32K 64K 128K
Average 0.106 0.211 0.412 0.834 1.666 3.343 6.697 13.235
Max 0.112 0.246 0.468 0.895 1.701 3.386 6.771 13.412
Min 0.101 0.203 0.401 0.810 1.636 3.327 6.612 12.992

Results

In case of continuous Data memory(DM), it is possible to get max 58,000 points per sec.

Comment

*Graph displays average time of ten times measurement.(1point = 1word)
*In case of 32K points access , Read 32K points by using 2 devices.( 16K point per 1 device).
*The result only means our examination, it doesn't guarantee performance.
[Aug 2012]

Interface performance

Results of measurement of each interface(eg.sync /async /datachange event etc).
(detail)