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peterjfox

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ControlLogix 1756-L61 program Execution Time

peterjfox posted a topic in Allen Bradley / Rockwell Automation

This is my first posting, so here I go: I have an application using a ControlLogix 1756-L61 PLC with complex comms. It will be using 2 DeviceNet Scanners, 1 Profibus, 1 Ethernet, 1 ControlNet all for different plant areas. Also 17 slot extension rack via ControlNet. We cannot change this combination either. The ladder is fairly large also as follows: A TOTAL OF 22 DATA FILE(S), 40 PROGRAM FILE(S) 2 FORCE TABLE(S), AND 8 CONFIGURATION FILE(S) 2328 WORDS IN 22 DATA FILES, 9712 WORDS IN 35 PROGRAM FILES 256 WORDS IN 2 FORCE TABLES, 736 WORDS IN 8 CONFIGURATION FILE(S) Can anyone advise / explain how the main processor deals with the comms as well as the main programme as I don't fully understand the processor architecture, both L61 and comms processors? Also need to work out the total program execution time
- 18 Aug 2005
- 1 reply

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