Johnson Controls 721LC, 721HC, 921 Catalog Page
CURRENTMONITORING
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H721LC |
721LC/721HC/921 |
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Slide Switch |
Solid-&Split-Core4-20mAOutputLoopPowered |
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Scaling for |
CurrentTransducers |
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Easy Setup |
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Easy |
H921 |
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56 |
2-wire |
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Installation |
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Looppoweredanalogcurrentsensorsimplifesinstallation |
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■ Powerthesensorandreceivethesignalwithonlytwowires...lowercabling |
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&commissioningcoststhanwithtraditional3-wiresensors |
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■ Self-grippingsplit-coreforfastretrofi tinstallation...noneedtoremove |
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conductor(H921) |
TheHawkeye721LC,721HC,&921provideaccurateloadtrendinginformation withaproportional4-20mAoutputsignal.Presetslide-switchesprovideeasy fi eldsetupofsensedamperagerangewithoutclumsyjumpers.
APPLICATIONS
■Loadtrending
■Motorcontrol
Maximize Reliability
Minimize Installed Cost
ORDERINGINFORMATION |
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MODEL |
AMPERAGERANGE |
OUTPUTTYPE |
H721LCSolid-Core |
0-10/20/40A |
4-20mA,looppowered |
H721HCSolid-Core |
0-50/100/200A |
4-20mA,looppowered |
H921Split-Core |
0-30/60/120A |
4-20mA,looppowered |
ACCESSORIES
Universal Power Supply, Universal Mounting Bracket Kit...See page 234
■ Economicalsolid-corefeaturesadjustablebracketforeasyalignment
Selectablefactorycalibratedrangesupto200Aforincreasedfl exibility andresolution
■Factorycalibratedswitchselectablerangesforhighresolutionand installationease
■Threefi eld-selectablerangesperunit...fewerversionstochoosefrom, stock,andinstall
■Mountingbracketforinstallationfl exibility
■5-yearlimitedwarranty
H721HC(LC)LINEAROUTPUT
Scale software as shown
20mA
<![if ! IE]><![endif]>SENSOR OUTPUT
4mA
0A 50/100/200A*
(10/20/40A)
SENSED AMPS
*Factory calibrated ranges selected with the amperage range switch
H921LINEAROUTPUT
Scale software as shown
20mA |
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4mA |
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0A |
30/60/120A* |
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SENSEDAMPS |
*Factorycalibratedrangesselected |
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withtheamperagerangeswitch |
800.354.8556 |
503.598.4564 |
www.veris.com |
©2006VerisIndustries |
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H721LC/721HC/921 |
CURRENTMONITORING |
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APPLICATIONS/WIRINGEXAMPLE |
DIMENSIONALDRAWINGS |
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H721LC & H721HC |
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Adjustable Mounting Bracket |
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CONTACTOR |
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CONTROLLER |
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0.89" |
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(22 mm) |
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0.75" Dia |
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(19 mm) |
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+ |
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2.93" |
57 |
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(74 mm) |
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AI – |
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Optional |
2.55" |
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DIN Rail |
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(65 mm) |
DIN Rail Clip |
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Clip |
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- + |
2.65" |
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Side View |
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(67 mm) |
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12-30VDC |
0.20" |
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POWERSOURCE |
(5 mm) |
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1.05" |
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(27 mm) |
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0.13" Dia. |
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(3.3 mm) |
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Motor |
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H921 |
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FanorPump |
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Removable Mounting Bracket |
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0.90" |
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(23 mm) |
1.10" |
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(28 mm) |
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2.90" |
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(74 mm) |
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Self-gripping Iris |
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Optional |
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DIN Rail |
2.50" |
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Clip |
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(64 mm) |
2.58" |
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DIN Rail Clip |
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(65 mm) |
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Side View |
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1.04" |
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(26 mm) |
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3.20" |
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(81 mm) |
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SPECIFICATIONS
AmperageRange |
Seeorderingtable |
Output |
4-20mADC |
InsulationClass |
600VACrms |
Frequency |
60Hz.nominal |
TemperatureRange |
-15°to60°C |
HumidityRange |
0-95%non-condensing |
Accuracy |
±2% |
ResponseTime |
2sec. |
SupplyVoltage |
12-30VDCLooppowered |
SupplyCurrent |
30mA(max.) |
Dimensions(H721LC&H721HC) |
2.93"(74mm)x2.65"(67mm)x1.05"(27mm) |
SensorHoleSize |
0.75"(19mm) Diameter |
Dimensions(H921)…(LxWxH) |
2.90"(74mm)x2.58"(65mm)x1.04"(26mm) |
SensorOpeningSize(H921)…(LxW) |
1.10"(28mm)x90"(23mm) |
800.354.8556 |
503.598.4564 |
www.veris.com |
©2006VerisIndustries |
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