How do I prevent send Modbus multiple times?

[bgreer5050]

I want to send a Modbus message once every 10 seconds. I have a timer T4 with a set point of 11. The way I am sending the Modbus message now is when...

[djedesign1]

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....

[JKriens]

I am running a blow molding machine with a Productivity 3000. It is a continually cycling machine. I need to add a cycle time display. This is the time in secon...

[NBI]

I've got a packaging assembly set up in the following way: Conveyor runs when photoelectric receiver has signal from emitter. When signal is broken, the conveyor stops and a dispenser is started that fills a well in a tray....

[djedesign1]

I would like to see the various PLC Programming Suites to have the option of directly generating PDF files for printing instead of having to install 3rd party software...

[JArriola]

I have a panel that I would like to make program updates to that is behind a firewall. What port does the programming software communicate with? I have...

[DonW]

I was wondering if anyone could point me in the direction for documentation on the DL06 D0-06DD1. I have no experience with programming this device, and was given the responsibility of setting...

[flux70]

This is my first foray into setting up an ecom module into a dl-06 plc. All i need to be able to do is update the program remotely in the plc and c-more ea7-s6m. I have a d-link ebr-2310 rev.b router. I'm a bit confuse...

[Wallaby]

Hi, This is my first time attempting to use Directsoft 5. This is what I am attempting to do for a final for an Automation Class I'm in: Normally Open>Switch(Closing the Open Circuit)> Timer (3 seconds)> Solenoid >Timer(10 Seconds)> Solenoid Reset Normally Op...

[jbrazill]

Hello, Based on the thread entitled "Analog Output programming for a click PLC" I have used a math instruction to assign a value to the first analog output DF3 which I have given a nickname of "FlowValve". I have used other Float addresses (DF5 - DF7) to ac...

[DLance]

Howdy. I am new to the use of PLC's (have programmed only 1 before, and it was probably very sloppy), and now my boss wants me to incorporate a C-More Micro touch screen in place...

[sjstein]

Greetings community. I am returning to the PLC realm after a five year stint elsewhere. I have been tasked with deploying a system in a short amount of time. The short deadline leads me to believe I'll only be able to ...

[insightful]

Hello once again everyone, I'm trying to get a little more familiar with absolute encoders, how they work, how fast can they be processed, i'm wanting...

[insightful]

Greetings All!, I recieved great help on here last time and I'm hoping to get some more great inputs again if possible! What i'm trying to do is through an HM...

[insightful]

Greetings everyone hopefully i can get some quick tips or solutions to a problem i'm having with my direct logic 05, basically i want to take an analog...