v
Magtrol Hysteresis Dynamometers
Table of Contents
4.1.10 TEMPERATURE RISE ................................................................................................................................ 41
5. operating prinCiples ...............................................................................................................42
5.1 SPEED ......................................................................................................................................................................... 42
5.2 ToRqUE ..................................................................................................................................................................... 42
5.3 ToRqUE SIgNAL AMPLIFICATIoN ...................................................................................................................... 43
5.4 DECIMAL PoINT CoNTRoL .................................................................................................................................. 43
5.5 DAMPER CYLINDER ............................................................................................................................................... 44
5.6 bRAkE CoNTRoL PoWER ..................................................................................................................................... 44
5.6.1
hD-800/815 AND ED-815 ........................................................................................................................... 44
5.6.2 hD-825 .......................................................................................................................................................... 44
6. Calibration ..................................................................................................................................45
6.1 INITIAL CALIbRATIoN ........................................................................................................................................... 45
6.2 CALIbRATIoN bEAMS AND WEIghTS ............................................................................................................... 45
6.3 CALIbRATIoN PREPARATIoN ............................................................................................................................... 46
6.4 CALIbRATIoN PRoCEDURE .................................................................................................................................. 46
6.5 CALIbRATIoN FREqUENCY.................................................................................................................................. 48
7. optional features ....................................................................................................................49
7.1 SPEED ENCoDER ..................................................................................................................................................... 49
8. troubleshooting .......................................................................................................................50
8.1 ToRqUE READoUT PRobLEMS ........................................................................................................................... 50
8.1.1
NEW DYNAMoMETER ............................................................................................................................. 50
8.1.2
zERo bALANCE ......................................................................................................................................... 50
8.1.3
FULL SCALE ToRqUE .............................................................................................................................. 51
8.1.4
MEChANICAL (RoTATIoNAL) ALIgNMENT ....................................................................................... 53
8.2 SPEED READoUT PRobLEMS ............................................................................................................................... 54
appendix a: Calibration reCord .............................................................................................55
appendix b: sChematiCs ...............................................................................................................56
b.1 ToRqUE AMPLIFICATIoN boARD ....................................................................................................................... 56
b.2 SPEED SENSoR boARD ......................................................................................................................................... 57
b.3 LoAD CELL SChEMATIC........................................................................................................................................ 58
b.4 hD-800–815 bRAkE CoNTRoL SUPPLY .............................................................................................................. 59
b.5 hD-825 bRAkE CoNTRoL SUPPLY ...................................................................................................................... 60
index .....................................................................................................................................................61
serviCe information ......................................................................................................................63
RETURNINg MAgTRoL EqUIPMENT FoR REPAIR AND/oR CALIbRATIoN ..................................................... 63
RETURNINg EqUIPMENT To MAgTRoL, INC. (UNITED STATES) ................................................................ 63
RETURNINg EqUIPMENT To MAgTRoL SA (SWITzERLAND) ..................................................................... 63
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