LIVE PLC Questions And Answers

Feel free to ask any PLC RELATED question here. If you know the answer to an existing question, help everyone by posting an answer. Enjoy!!!
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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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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365
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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0
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89
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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100
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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144
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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172
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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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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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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Good Morning , Not sure how many use Markem-Imaje SmartDate X60 Printers , but I'm having trouble finding a good manual for...
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3
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283
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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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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We changed the battery on our PLC power supply. It was shutt down 3 times before the batteries were changed. When the BATT1F is showing amber is...
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4
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134
I have an application where I want to use a safety relay in combination with a flame detector as the sensing element. The flame detector has relay...
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23
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Guys, please help me with this urgently. We have Logic 5575 installed in hot n standby setup. For some reason, the primary now cannot sync with...
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10
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346
I am trying to set up a read message in a MicroLogix1100 to read the value of a DINT in a ControlLogix5561. I have successfully set up a message...
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2
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149
Hi folks, I'm trying to parse a binary string on a Red Lion DA30D using a Raw UDP/IP input port. I've done this before with ASCII strings so I do...
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Hello everyone, I'm having trouble selecting the right circuit breakers for the "line side" of my VFD. The common advice is to check the...
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Hi folks ! Got an older Modicom BM85 and I suspect that it's not passing data to ModBus+ network. We had a power loss for a few days and I suspect...
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Hi, Need help with coding for a faulty component sensor which we are using a push button as we are using a test rig. the plc is a allen bradley...
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4
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173
Rockwell in their wisdom have made a mess of the Panelview Plus 7 operator interface terminals with all the different series hardware revisions...
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5
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176
Hello. I am trying to install the TIA Portal v15 on a Windows 10 workstation. When the installation is complete I am asked to reboot the PC...
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Dear All Please help me about Below picture problem.PLC not communicating proper.
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158
Does anyone know why my one string is displaying this way? It is causing issues with my HMI displaying it.
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4
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219
I'm trying to read modbus data from modbus slave using Read_VAR function. I'm getting an error that my device is not linked to a module. I have a...
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1
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105
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