nomad LK4-2 Operating Instructions Manual
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NOMAD - LK4-2O PERATING I NSTRUCTIONSPAGE 4 of 4interference, and (2) this device must accept any interference received,including interference that may cause undesired operation.3.2 CABLE LENGTHS3.2.1 12V DC POWER CABLINGWhen fitting the link unit ensure that the voltage at the link unit is in therange 10 to 18 V DC. Voltage drop between the power supply and the linkunits will depend on the cable used and the number of link units connectedto a single power supply.The following table gives maximum cable lengths for some commonconfigurations. Note that the cable length is from the power supply to thefarthest link unit for a single cable run. It would be normal practice to maketwo or more cable runs from a single power supply (in different directions).12V DC supply:# Of Link Units 1.0mm 2 1.5mm 21 171 2562 133 1993 108 1634 92 13815V DC supply:# Of Link Units 1.0mm 2 1.5mm 21 427 6412 332 4993 272 4084 230 3453.2.2 Network CablingThe maximum cable length for the network cable is dictates the distancefrom the controller to the farthest link unit. This is typically 1km. Note that ifthe controller is centrallly placed this gives a maximum distance from oneend to the other of 2km. |
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