Vacon 100 Installation Manual

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Vacon 100 Installation Manual Manual pdf 37 page image

Fault tracing vacon • 3424-hour support +358 (0)40 837 1150 • Email: vacon@vacon.com77.2 Other fault conditionsThe following fault tracing diagram will help you to locate and fix some of the most usual prob-lems. If the problem persists contact your local distributor.Figure 8. Fault tracing diagram for BACnet MS/TPDrive does notstart from the busCheck communi-cation status (par.5.7.3.2.1/5.8.3.2.2)Counter does notrunCounter for badframes (see Table3) increasesCounter OK.No communicationPoorcommunicationIs the device inREADY state?Check the led onkeypadCheck externalinterlockings (I/O)Is fieldbus selectedas control place?Check parameterM1.15 or M3.2.1Does Master giveRUN command?Use keypad tomonitor variableSet variable AV36to ‘1’Check fieldbusparametersCheck other field-bus parametersCheck selectedprotocolCheck Master’sparametersCheck configura-tions (Slave add-ress, baudrate etc.)Check terminationresistorsCheck that bothends of the fieldbusline have termina-tion resistors(chapter 4.2)Check cablingCheck cable forcutsCheck correct place-ment of conductorsin terminalsOther bus devicesCheck othernecessary devices(e.g. router)Check terminationresistorsCheck that bothends of the fieldbusline have termi-nation resistors(chapter 4.2)Check cablingCheck distancesbetween cables,see chapter 4.2.Check cable types,see chapter 3.Check groundingCheck grounding,see chapter 4. Re-member to makegrounding for eachdevice!Check connectionsCheck stripping ofcables andconductors, seechapter 4.Check terminals forloose connections7076.emf