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Reading/writing discretes from 2 registers
I'm using a proprietary PLC that stores 32 discrete inputs on modbus registers 30003-30004 (and outputs on 40003-40004). When I try to extract a discrete...Last edited by eosalex; 05-21-2019, 12:32 PM.
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Passing Parameters to Modbus Read and Write Instructions
Hi,
It doesn't like there is a way to currently do this. I have hundreds of the same devices communicating on Modbus but with different Slave...
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P1000 ASCII Output Question
Sorry for the NOOB question. I am having a great time working with the P1000 so far. I have run into sensor, an SICK OLM100 bar code reader, that I...
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Modbus Read P2000 Energy Analyzer
Hi guys,
I'm trying to perform my first Modbus Serial read on an Accuenergy Energy Analyzer that has an RS485 port. I'm trying to use the...
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Still stuck with Zebra
Good morning all,
I have been able o get communication to printer from PLC with static text:
"^XA~TA000~JSN^LT0^MNW^MTD^PON^PMN^LH0,0^JMA^PR5,5 ~SD15^JUS^LRN^CI0^XZ^XA^MMT^PW456^LL0253^LS0^FT405 ,216^A0I,28,28^FH\^FDMachine...Last edited by Lucas.Allen; 07-11-2018, 06:53 AM.
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Copy and Paste Strings
I have an application wherein I need to send ASCII control strings to external devices via a serial port. I thought the easy way would be to copy and...
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Zebra Printer
Hello all,
I am looking to do what I think should be a very simple process but I think I am just mentally burnt out and looking out to peers...
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D4-454 Communication Modbus RTU - Problem
Hello, I just updated a broken D4-450 CPU with the new D4-454. After the replacement I'm not able to communicate with devices on Modbus RTU. I'm using...
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Serial Commands in BRX for Stepper Motion Control Application (ATTN: plcnut)
I'm working on a pet project in my "spare time" at work.
BACKGROUND
My first major control system uses (all stepper motors)...
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Win 10 C-More Micro Programming with EA-MG-PGM-CBL
I am getting warning and "This device cannot start. (Code 10)" in Device Manager for my EA-MG-PGM-CBL programming device for the C-More Micro....
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USB TO RS485 PC Adapter Installation
I have just finished a blog post in which we have installed a USB-485M adapter. Here is some of the post... The USB-485M is a 2-wire USB to RS-485 s...
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Baud rates and Modbus
So we have tried many ways using many products. (modbus IAP devices) so we are reaching out to others in the field. We have a legacy system running an ...
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Do More STREAMOUT Details
Hi everyone, I'm playing with a Do More processor by sending commands to STP-DRV-4850. I'm trying to decide whether or not to have my program pro...