Vacon NX User Manual

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Vacon NX User Manual Manual pdf 42 page image

4vacon • 41 THERMISTOR FUNCTION (ATEX)Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 2054.2.5 OPT-AF board parameterCode Parameter Default NoteP7.2.1.1 Therm Trip(HW)Refer 4.2.4“On” Correct settings:• "Jumper wire X12 not cut and this board parame-ter "On" (for ATEX)• "Jumper wire X12 cut and this board parameter"Off" (for no ATEX and similar to OPT-A3)Wrong settings:• "If jumper wire X12 is cut and this board parameteris "On", thermistor trip will cause unresettableSystem Fault 8, subcode 41.• "If jumper wire X12 is not cut and this boardparameter is "Off", thermistor trip will cause unre-settable System Fault 8, subcode 48.P7.2.1.2 Start-Up Prev “Fault” To start the motor operation, after a thermistor fault, anedge sensitive start command is required after the drivereturns to ready state.a) When OPT-AF board parameter "Start-Up Prev"is "Fault", the drive will generate a "F26 Start-Up Prev" fault if start command is on, whenreturning to ready state after a thermistor faulthas been active. The drive can be started withan edge sensitive start command after faultreset.b) When OPT-AF board parameter "Start-Up Prev"is "Warning", the drive will generate a "A26Start-Up Prev" warning if start command is on,when returning to ready state after a thermistorfault has been active. The drive can be startedwith an edge sensitive start command. No faultreset is required in this case.c) When OPT-AF board parameter "Start-Up Prev"is "No action", the drive will not generate anyindication. The drive can be started with anedge sensitive start command. No fault reset isrequired in this case.