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  • Users: robohand
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  1. robohand

    Siemens S5 135U -Where to find cable and key -used

    I am looking to interface with a Siemens controller 135U. I expect there is somewhere to purchase used equipment but haven't found any yet. I downloaded the software from Siemens and wanting to purchase 'legal' key and cable. I expect I shouldn't have to spend $800 today for this. I did find...
  2. robohand

    plc analog voltage programming

    Needing analog voltage help. Just can’t seem to get a grip of what to do with what I have. My background: Self taught – no real schooling. No analog background. Ten years using many plc’s but almost all in discrete functions in ladder logic. Plc’s from A-B, Siemans, Modicon, Symax, Keyence...

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