User Manual

40
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AUTOMATION & PROCESS
TECHNOLOGIES
955
Specifications
Input Voltage
13.5 to 30 VDC
Current Draw
2.5 Watts Maximum,
120mA @ 15 VDC Typical
Output
0 to 10 VDC, 10 to 0 VDC, 4 to 20mA,
20 to 4mA
Resolution
Internal
Analog Output
0.001”
16 Bit (1 part in 65,535)
Linearity
+/- 0.05% of Stroke
Repeatbility
+/- 0.006% of Full Stroke
Hysteresis
+/- 0.02% of Full Scale
Update
50” or less
51” to 100”
101” to 150”
151” to 180”
1ms (Stroke Lengths 5” to 50”)
2ms (Stroke Lengths 51” to 100”)
3ms (Stroke Lengths 101” to 150”)
4ms (Stroke Lengths 151” to 180”)
Operating Temperature
-20° to 70° C
Span Length
5” to 180”
Null Zone
3.00”
Dead Band
2.00”
LED
Green = Power is applied and magnet is present
Red = Fault, magnet is in the Dead Band or lost
Yellow = Out of the active programmed range
Connector
Standard 5 Pin Micro
12mm Euro Connector
Approvals
CE
Enclosure
IP67, IP68 Optional
Specications are subject to change without notice.
Specications are based on a typical 36” LDT.
Gemco 955A BRIK Gen III
The955ABRIKGenIIIisanaccurate
programmable,auto-tuning,non-contact,linear
displacementtransducerinaneconomical,low
prolepackage.Thetransducerutilizesoureld
provenmagnetostrictivetechnologytogiveabsolute
position,repeatableto.006%oftheprogrammable
sensingdistance.
Thestreamlinedanodizedaluminumextrusion
housesthesensingelementandelectronics.The
magnetmovesoverthesensingelementthat
determinesthepositionandconvertsittoananalog
output.Itcanbeorderedwitha0to10VDCor
4to20mAoutput.
The955ABRIKGenIIIhasafewtrulyunique
features.TherstoneistheLDT’sauto-tuning
capability,theabilitytosenseamagnetotherthan
thestandardslidemagnetandadjustitssignal
strengthaccordingly.Anotherfeatureistheanalog
outputisprogrammableovertheentireactive
strokelength.TheactivestrokeareaoftheLDT
liesbetweentheNullandDeadzones.Thereis
adiagnosticLEDlocatedattheconnectorendof
theprobethatremainsgreenwhileagoodmagnet
signalispresentandwhenthemagnetisinthe
programmedstrokearea.TheLEDturnsyellow
whenthemagnetisoutoftheprogrammedactive
range,butstillwithintheactivestrokearea.The
LEDturnsredandtheoutputgoesto0voltson
voltageoutputunits,or4mAoncurrentoutput
unitswhenthereisnomagnetpresentorwhenthe
magnetisoutofthesensingarea.
Theunitcaneasilybechangedintheeldfroma
0-10VDCtoa10-0VDCor4-20mAtoa
20-4mA.Asanaddedfeature,theoptional
differentialanalogoutputallowsthedistance
betweentwomagnetstobemeasured.
The955ABRIKisdesignedforapplicationswhere
economicalcontinuousfeedbackisnecessary.The
sensorcanbeacosteffectivereplacementtolimit
switches,proximitysensors,linearpotentiometers
andLVDT’s.Applicationsincludepresses,
blowmolding,injectionmolding,extrusion,roll
positioning,dancercontrolandmanymore.