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  1. Wfacac

    Modicon 984 Questions

    Actually most of the new 984 processors are 1131 compliant and you are free to use all the amenities of Concept. You don't need to be constrained to ladder logic.
  2. Wfacac

    communication between different PLCs

    Both processors support ethernet, why can't you just connect them and read registers?
  3. Wfacac

    Redundant Contrologix w/ dual Modbus ports

    What I've done is have the controllogix in independent racks with the SRMs and a controlnet card, and running your I/O in a separate rack as RIO. Then I put a single Prosoft in the I/O rack and run single line Modbus from there. The redundant processors keep the I/O alive and your modbus line is...
  4. Wfacac

    Wireless Serial & Wireless LAN Discussion

    Here's my two cents, We work primarily with SCADA for several customers who have licenced frequencies already. Now everyone is security concious and wants video from remote sites. The narrow band radios won't do video and a secondary system works for the bigger customers but how do I keep the...
  5. Wfacac

    Schneider Modicon Quantum PLC

    You could be programming and troubleshooting on a whole new level. Quantums support 32 bit IEC language. It's different from 984 ladder logic the way Controllogix is different from RS500 in Allen Bradley. If you can break away from a "relay logic" style of thinking its really a nice style of...
  6. Wfacac

    Radio propagation programs

    For limited 820.11 your right, theres nothing like an Ipaq with a wireless card and a GPS plugged into the serial port. Quick easy and painless. But there are spread spectrum radios that can do 802.11 up to eight miles like any other licenceless shot. I was wondering mostly about the packaged...
  7. Wfacac

    Radio propagation software

    I have read several posts on what some people use for their propagation testing and I'll ask this. What programs are you using and have you tried others? I use Softwright and I've tested Radiosoft....is there a good reason to look at others? With the boom of Ethernet radios and 802.11 every...
  8. Wfacac

    Radio propagation programs

    I have read several posts on what some people use for their propagation testing and I'll ask this. What programs are you using and have you tried others? I use Softwright and I've tested Radiosoft....is there a good reason to look at others? With the boom of Ethernet radios and 802.11 every...

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