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Tuning PID - how to do it properly

I need some advice how to tune PID properly. The PID is only PI type (two mode) and its overshooting frequently. Assuming I need to tune P with starting incrementing by very small steps till PID...

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EDS Hardware Wizard is not installing EDS Files

Ok, found a weird problem that I can't find any tech connect tickets or posts that solve my problem. Looking for other ideas. What I got going on is I am trying to register an EDS file. I use the EDS...

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1783-ETAP

Hi, can someone explain to me the function,purpose and use of ETAP? thank you

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ControlLogix PIDE With Time proportional Control

I'm look for some suggestions for two problems.  1. I'm working on an environmental chamber that I only need to control the temperature.  It's range is -50C to 200C.  Cooling is accomplished with CO2...

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POWERFLEX 40

Hello every one looking for some guidance here we are trying to set up a driver  (powerflex 40) to run it either from a HMI wich we would like to call local and our PLC system wich will be remote I'm...

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Communicating between plc's with different IP's

I am trying to get produced and consumed tags set up between 2 1756 racks with different ip's. The 1st rack has an ip address 172.28.6.3. The 2nd rack has an ip address of 10.81.105.8. Would this be...

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ASI System Faults SLC05/03

We had to power down the system for a substation PM. After powering back up the ASI system is showing numerous faults, pointing to the configuration files. Not being involved with the initial...

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Structured Text Value for Pi?

Is there a built in value (tag) for Pi in structured text or do I just use a constant?

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Micrologix 1200 Fault

hi , i am using micrologix 1200, tell me any body, When I download the program, the program is download but does not run mode, plc go to fault mode and red indicator dose blink,  

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Micrologix 1400 recording off time of a DI

Hi,   I'm pretty new to allen Bradley and wanted to know if there was a function that could help me out. I have a rotation sensor which feeds back to the PLC via a digital input, once every half...

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MAS that does not work anymore

Hello, I have 2 machines the same, 1 l306erm automaton in each machine and 2 kinetix 5500 drives in each I develop the program on the first machine, no worries. I import the same program on the second...

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Dynamic String Size

I have a Cognex Insight Camera that is reading a barcode and sending it to my PLC (Logix 5000).  I am using Cognex add on profile for communication.  I have the first 32 bits of the...

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indirect access to hardware inputs

Hi. is it possible to access to hardware inputs indirect? I want to use a function like val := read_digital(module_nr, bit_nr);   I have found this page:...

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Change P in running PID

Hi all, I need to change the gain in a PID instruction while pid is running. I can't just write new gain in KP variable (it will be too easy), it make a hudge bump in CV..not really what we need (see...

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Using a variable array index in FBD in Studio 5000?

I'm trying to use a tag as an array index in FBD in Studio 5000, this works without issue in ST and LDD, but seems to not be allowed in function block. This seems incredibly short sighted to me which...

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Armorpoint I/O

Hello all,  Can anyone answer a couple of questions on armorpoint please? 1The 4 pin mini power connector on the auxillary power connector has User power and Adaptor power. What are the differences?...

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Tag Data Update

Hello All, I have a PLC program (AB Logix 5000) where I have an array of my custom UDT.  My UDT contains all the parameters for the various parts that will be run at my station.  When a new part needs...

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.RSP to PDF

Hello everybody. I am hoping somebody on here as RsLogix 5 and can open a project file and send me a pdf of the project report. I am replacing an old PLC5 with a new compactLogix PLC and don't have...

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FactoryTalk View SE datalog Viewer ??

HelloI am asking about datalog viewer for factorytalk view SE like in RSview 32 ActiveX controls.i know can be use datalog to excel or to sql and using crystal report.but any one use a direct windows...

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.RSP Help needed!

Hello Everybody, I am new to AB having only used other OEMs to this point. There is a plc project update I am involved in, which is a .RSP file. I have a copy of RSlogix 500 which seems like it cannot...

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