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...

[JCM78]

I have searched and read but i have about given up. Im new to PLC's been using them for years just never programmed them.
I have a simple setup...

[DetroitSound]

I wish to control vent fans in our new warehouse - this is what I would like to do, can someone tell me if this will work or not? The warehouse is 10,000 square feet 50' wide, 200' long. I am using 1 hp motors...

[wlydick]

I am starting on a new contract tomorrow where the client needs me to control certain bits in a CLICK PLC from LabView over a USB-to-RS232 cable. 1) Do I need an additional piece of so...

[dzenizo]

The many Click models show a difference between "No Battery Backup" and "With Retentive Memory" models. I've read the manual and specs and I haven't found what's the difference... Should I understand tha...

[DuctSoup]

Hi, I'm working on a process water polishing skid and I need a couple CPVC mixing valves (1" to 2", water, ambient to 150F, 100psi @ 10gpm) I can interface with an analog Click PLC at a reasonabl...

[jayjohnsonuga]

The scenario is we have a bar code scanner, Click PLC(c0-00dd2-d), wireless serial device server, and cnc control. The wireless serial device server has two serial ports. One is used for...

[acid1103]

Hello, I was simply wondering if anyone knew how CLICK PLCs write from their RS-232 ports. I'm writing a program that will read from certain addresses...

[Tim_W]

The people who support my Click PLC-based products don't carry laptops for doing updates, so we have to do swap-outs for code updates. Putting the click project...

[BonsalTech]

Has anyone got the CLICK PLC to communicate with Lookout Direct? Im using the rs232 to usb cable from the CLICK to PC. I double checked all settings when defining LINK PORT2 baud rate: 38400 Address: 1 Parity bit: odd Bits: 8 Stop ...

[marcks]

Hello, I have a click PLC with three drums. I would like them to run in different orders depending on what button is pressed on the HMI. Currently when C1 is pressed Drum 1 then Drum 3 runs (Process 1) When C2 is press Drum 2 then Drum 3 runs...

[marcks]

Hello, I have everything setup but need to link the ladder logic written to the plc to start or stop when the cmore micro touch panel start or stop button I have created is pressed. Would the _PLC_MODE SC11 work to start the ...

[1234me4]

The Click controller clock has a specified accuracy of +/- 60 seconds per month. Is there a way to be able to adjust the Click clock using a C-More Micro screen? Displaying...

[bgirouard]

Hi all, I had a thread a while back asking some questions about this, but it was more about RS-485 comm. with a Miyachi laser welding system. I do have communications happening with the laser using a Click. For details see...

[bgirouard]

Hello All, I've been playing around, developing my program, and I've hit a snag. I'm having trouble receiving position data to a Click from my STP-DRV-4850. AD does not "officially" support receiving information...