BIG_K

MrPLC Member
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About BIG_K

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  • Location Houston, Texas
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  1. CLX Timer

    Thanks, it helps when you use the arrow over button to see all of the FBs under the Process tab.
  2. CLX Timer

    Thanks for the file! Now, how does one get the TOT instruction? I have opened a FB sheet but can't find the TOT block. TWControls mentions purchasing an add-on, what is this add on called for those like me that have yet to learn the CLX as well. Thanks in advance.
  3. CLX Timer

    Thanks TWControls, I knew counting seconds may not be the best method, especially with mSeconds. I'll have to do more reading on the WallClockTime, never knew such existed, but I don't usually get to play with CLX either. Regards, Big_K
  4. Hello, What's a good way to count hours within the CLX? I have a pump sequence that I next to rotate every 168 hours. With a SLC I would just use a TON with a 1 second base, preset to 3600, and counter for the total hours. Since the CLX timers only have a mSec base, I'm thinking there must be a better way than using multiple TON instructions. Or can the CLX timer handle a preset greater than 32767? On Edit; I should have read further on the TON instrution help, the preset is a DINT! Thanks, Big_K
  5. There will be redundant processors along with the dual Cnet. Also included are redundant data servers running RS View 32 SE so I'm considering moving all of the HMI's to EtherNet as clients to the servers. I wasn't sure if Cnet could handle 7 HMI's even on its own CNBR. The literature for the CNBR states up to 64 connections for redundant mode, but I've heard that in reality you only want to have 40 to 50 connections for optimum speed??? When I first saw the proposal from our integrator, I thought that the CNet looked overloaded, I'm now learning that indeed it is. Thanks for the replies, Big K
  6. Thanks for the reply. This application covers a large cooling water plant and the hardware layout I listed below is what our integrator is proposing to our company. I wasn't sold on this plan and needed a second opinion. Update times are not critical but are important in that there will be several P&ID loops for the various instruments. Your recomendation looks interesting. I only have experience with single non redundant networks so I will do more research on ControlNet architectures. Thanks, Big K
  7. I have a proposal for an application that has 18 remote flex I/O racks, each rack includes standard digital and analog I/O along with a ProLinx MCM modbus module to read from three modbus slaves. 54 modbus slaves total and there are also 7 HMI's. All of the remote racks and HMI's are on redundant ControlNet. My question is; Can this application function correctly with 18 racks, the amount of modbus traffic, and 7 HMI's on redundant ControlNet?? Thanks in advance, Big K