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How to increase or decrease an plc bit processing time with holding function?

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Question added by Aamir Janjua , Fisher-Rosemount DeltaV; Honeywell TDC-3000; Rockwell/Allen-Bradley PLC-5 and WinView; Siemens; Koyo/PLC Direct; HART, Foundation Fieldbus
Date Posted: 2013/10/14
Amr Saleh
by Amr Saleh , Senior I&C technical office engineer , ENPPI

can you clarify the question a little cause i don't think i can get what you mean

Musharif Hussain
by Musharif Hussain , Sr. Engineer (Instrumentation &Control) , Matiari Group

If I say I understand the question is that how to increase Processing time of one procedures by holding other functions/procedures?

Then Sir, since PLC used to process all the function blocks from start to finish, you have to delete such functions, which are un-necessary (You can hold those in real programming software, in which you have designed the original program and upload when necessary).But you can not change the speed of PLC (in most cases, I don't have knowledge which PLCs are given such function though).

Waqar Ahmed
by Waqar Ahmed , Instrument Technician , ADNOC Gas Processing

i dont know about this. sorry

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