Allen-Bradley MicroLogix 1100 - MicroLogix 1100 Performance Considerations; Ethernet Network Topology; Connecting an Ethernet switch on the Ethernet Network

Publication 1763-UM001E-EN-P - June 2015
214 Connecting to Networks via Ethernet Interface
The MicroLogix 1100 supports Ethernet communication via the Ethernet
communication channel 1 shown in the drawing below.
MicroLogix 1100
Performance
Considerations
Actual performance of an MicroLogix 1100 controller varies according to:
• size of Ethernet messages.
• frequency of Ethernet messages.
• network loading.
• the implementation of and performance of your processor application
program.
12
11
Channel 1
Ethernet
(10/100Base-T)
Channel 0
RS-232/485
(DH485, DF1, or ASCII)
Side View
Optimal Performance: RSLinx to MicroLogix 1100 Series A OS FRN3
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 1100 FRN3 to MicroLogix 1100 Series A OS FRN3
controller(2-node Ethernet network)
Operation Words MSG per Second Words per Second
Single Typed Read 1 11 11
Single Typed Reads 20 11 220
Single Typed Reads 100 11 1,100