Micrologix 1400 performance considerations – Rockwell Automation 1766-Lxxxx MicroLogix 1400 Programmable Controllers User Manual User Manual
Page 368
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Rockwell Automation Publication 1766-UM001H-EN-P - May 2014
Appendix G Connecting to Networks via Ethernet Interface
The MicroLogix 1400 supports Ethernet communication via the Ethernet
communication channel 1 shown in the drawing below.
MicroLogix 1400
Performance
Considerations
Actual performance of an MicroLogix 1400 controller varies according to:
• size of Ethernet messages.
• frequency of Ethernet messages.
• network loading.
• the implementation of and performance of your processor application
program.
Channel 1
Ethernet
(10/100Base-T)
Channel 0
RS-232/485
(DH485, DF1, or ASCII)
44606
Optimal Performance: Micrologix 1400 controller to Micrologix 1100 Series B
OS FRN 4 controller (2-node Ethernet network)
Operation
Words
MSG per Second
Words per Second
Single Typed Read
1
20
20
Single Typed Reads
20
20
400
Single Typed Reads
100
20
2000
Optimal Performance: MicroLogix 1400 controller to RSLinx
Operation
Words
MSG per Second
Words per Second
Single Typed Read
1
25
25
Single Typed Reads
20
25
500
Single Typed Reads
100
25
2,500