Barnett Engineering Pro Talk ARU CV2 Instruction Manual
Also see for PRO TALK CV2: Instruction manual
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Contents
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Installation 2-2B1272M001 BARNETT ENGINEERING LTD. ProTalk Cv2Figure 3 Stand-alone Cv2Figure 4 Ground Closure Input Wiring2.2.2 Stand-alone modelThe stand-alone Cv2 can be mounted on a flat surface. Make sure that there is enough roomaround the unit to make connections. The environment should be clean and dry, with anambient temperature thatdoes not go below -20 oCor above +50 oC.Connect a DC powersource to the terminals onTB2. The Cv2 requires upto 1.5 Amps to operate;the supply should be sizedaccordingly. Input powerto the unit is protected bya Polyswitch currentlimiter. If a fault developsin the CV2, this switchwill become a highresistance to prevent damage to the equipment or the power supply. Once this switch hasbeen activated, the fault must be removed before it will reset and allow current to pass throughto the equipment.Connect the antenna or coaxial feed line to the remote antenna onto the TNC coaxial jack onthe Cv2.Connect the input and output signal lines between the Cv2 and the equipment that you want tomonitor and control. Details of the input and output ports are discussed in the next section.2.3 Input port connectionsThe input ports can be connected to a variety of contact or voltage sources for monitoringpurposes. Select a wiring configuration that matches your alarm source from one of thefollowing arrangements:2.3.1 Ground closure alarm signalFor alarm sources that appear as a groundclosure, either through a mechanical contactor an open collector driver, the input shouldbe wired according to Figure 4. If the inputis normally open and goes to ground duringan alarm condition, program the Hardwaresection for this input as “Normally High”. Ifthe reverse is true, set the input to “NormallyLow”. |
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