B - performance data, Ndix b, Performance data – Rockwell Automation 1785-ENET USER MANUAL PLC-5 ETHERNET INTERFACE User Manual
Page 43: Appendix
1785-6.5.19 November 1998
Appendix
B
Performance Data
PLC-5 Ethernet Interface Module (1785-ENET)
The following tables show measured performance data for the
1785-ENET module.
PLC-to-PLC (1 active MSG instruction)
Workstation-to-PLC (Solicited Asynchronous)
Operation:
Words:
MSG per second:
ms per MSG:
Words per second:
read
1
20.2
49.5
20
read
20
19.8
50.5
396
read
100
18.8
53.2
1,880
read
1000
10.6
94.3
10,600
write
1
21.4
46.7
21
write
20
21.3
46.9
426
write
100
20.4
49.0
2,040
write
1000
11.4
87.7
11,400
Operation:
Words:
MSG per second:
ms per MSG:
Words per second:
read
1
99.3
10.1
99
read
20
96.8
10.3
1,936
read
100
90.7
11.0
9,070
read
1000
54.7
18.2
54,700
write
1
102.6
9.7
102
write
20
100.4
10.0
2,008
write
100
94.0
10.6
9,400
write
1000
49.8
20.1
49,800
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