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

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