Products

Performance

FP-7 series Ethernet communication

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) i5 CPU @3.20GHz
Memory	4.00GB
OPC Server	DxpSERVER OPC Server Ver5.1.0.1
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	FP-7
Communication unit	FP-CPS4E
Register	DT0-DT32767
Max scan time	0.3msec

Communication Performance

(sec)

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	1024	2048	4096	8192	16K	32K	64K	128K
Average	0.411	0.822	1.612	3.292	6.827	13.392	26.752	53.599
Max	0.424	0.844	1.644	3.366	6.934	13.659	27.295	54.256
Min	0.402	0.801	1.604	3.205	6.601	13.039	26.351	53.195

Results

In case of continuous data register(DT), it is possible to get max 2,500 points per sec.

Comment

*Graph displays average time of ten times measurement.(1point = 1word)
*In case of 16K points access , Read 16K points by using 2 devices.( 8K point per 1 device).
*The result only means our examination, it doesn't guarantee performance.
[Sep 2013]

FP-X series Ethernet communication

PC specification

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OS	Windows 7 Professional 32bit OS
CPU	Intel(R) Core(TM) i7 CPU 860 @2.80GHz
Memory	3.00GB
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	FP-XC14T
Communication unit	FX-XCOM5
Register	DT0-DT8191
Max scan time	0.8msec

Communication Performance

(sec)

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	1024	2048	4096	8192	16K	32K	64K	128K
Average	0.934	1.772	3.437	6.796	13.426	27.036	54.344	107.755
Max	0.939	1.795	3.468	6.827	13.556	27.208	55.564	109.808
Min	0.924	1.727	3.411	6.769	13.073	26.771	52.898	104.501

Results

In case of continuous data register(DT), it is possible to get max 1,000 points per sec.

Comment

Interface performance

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