LIVE PLC Questions And Answers

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Hi, I am working with a Micrologix 1400 model 1766-L32BXB. With no input wires connected to the “in12” thru “in19”, I am getting 24 volts while...
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234
Hi all, I have a simple question that I have overcomplicated and gotten stuck on. I have a variable, we can call it "light" that I need to stay...
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346
I am looking for power supply that I can mount on vertical DIN rail, and when mount that way is =< 4" wide. this is what I have now.... this is...
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600
Hi Guys, We have to open the discussion in our company if its a possible to change the controller name in Control/Compact Logix in Run mode of...
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4
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2,055
Hi all, I am facing some issues with the factorytalk viewpoint. I have this string tag in PLC which can be read from FTView SCADA. The display...
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1
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1,102
Hi guys! I'm working in Studio 5000 and have a bunch of armorstarts there (+- 40). I need to set up parameters for each of them, mostly just same...
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104
I have Rhino 120 to 24 dc power supply and it has 2 Positive and 2 negative terminals on the DC side but no ground terminal. Should I connect one...
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445
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Dear Sirs, We have iFIX 3.5 Dynamics running at Windows XP, connected to a PLC5 Since last month, the alarm text and its tag are not shown at...
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2,147
Hi, I have an issue accessing tags in 3 of my plcs'. When I go to select a tag there is no folder drop down as can be seen in the photo. Any...
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99
Hi, I have some problem with View Point which I'm using to manual control of conveyors. On begin when in network was only PLC and HMI View Point...
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88
This probably is something that I'm just overlooking but, I am having problems communicating two ControlLogix processors using the MSG instruction...
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5
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5,069
Hello, I have a bit of a situation, and I think I know the answer but this font of knowledge may prove something. I want to do the unthinkable...
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6
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2,192
Hello new user here seeking some guidance. I have been given the task of polling data from a modbus slave (Thermo 43i Analyzer) using RS-232...
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1,701
Hi, I am using M221 reading from 3 different sensors (modbus rs485) sharing same bus (daisy chain). I am currently using READ_VAR (in total...
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99
Hi All, I could do with some advice on a hydraulic control system. It is necessary for me to accurately position a vertical hydraulic ram with...
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34
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1,968
Hello, I am trying to connect a 0-5v pressure sensor to the Micro 810, but I am not getting a clear input voltage reading. I connected the sensor...
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442
Hello, I have a CNG compressor that is run by a PLC. I tried to get team viewer on it to be able to view it remotely, I accidently disabled the...
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122
Hi all, New here and new all round to PLC`s. We have a servo drive that runs a cross travel beam backwards and forwards. I am having trouble with...
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3
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225
An outside contracting firm designed a machine for our company. There are several devices connected through Ethernet/IP. This includes a Panel...
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4
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197
I contacted Hach and bought a kit they recommended for a customer to add Modbus TCP capability to his Chlorine Analyzer with a SC4500 controller...
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8
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240
Logix 5000 v32 on 1769-L16ER I used the FBC instruction to scan an array of DINTs for true bits and it works but I found a thing that just...
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2
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91
Hi everybody, I have about three Red Lion HMI's, the calibration on the screens seems correct but where I'm using the pop up keypad to enter...
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1
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123
I'm trying to use DTM browser to make make modbus poll from RTAC. I'm able to get the points in first poll object. But not able to get anything in...
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1
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137
Hi, I am still a beginner with PLCs and I have never worked with GE PLCs before so looking for some help. I am using GE Proficy Machine Edition...
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11
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1,398
dear all, i need help, i have a slc 5/04 connected to a programmed panel view plus 600 serial 232 port df-1, when the pvp resets its message...
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9
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11,904
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