urnberAs

SErVODRIVE
SDBseries
Servo-amp Iifier for DC-motors
urnberAs
Descriptionand technicaldata
Technicaldata
Brief description
oftheSDBserieshavebeen
servocontrollers
Thetransistorized
thespeedof DCservomotors.
for regulating
developed
consistsof a singlePCBin double
Thecompactcontroller
thepowersupplyaswell
formatandaccommodates
euroboard
asthecontrolandbrakingcircuits.
thereis a PCBblockwithintegralconnecting
Forwallmounting
terminals.
to a 3-phaseor DCpower
maybe connected
Thecontroller
suppry.
voltagesneededareprovidedon thecontroller.
Allauxiliary
too.
suitablefor batteryoperation
It is therefore
hasLEDsindicating
Thecontroller
- Controller
switchedon
- Tachometer
signalfailure
- Currentlimitreached
- Standby
- Temperature
exceeded
Type
SDB 5
S D B1 2
Cont.
currenl
In
(A)
5
12,5
SDB20 20
Rated
Max.
current power
P at 150VDC
lmax
(A)
(kw
O Speedcontrol by pulse-widthmodulation(9 kHz)with or
without tachometerfeedback
O Analogreferenceinput
(mH)
10
n'78
3,0
25
1,9
1,2
40
3,0
0,8
Supplyvoltage
Max.outputvoltage
voltage
Max.reference
+ 10o/o
3x40-115VAC
50/60Hz
or 48-160VDC
15OV
DC
+ 10v
Max.admissibletachometervoltagel00V
range
temperature
Operating
Controlrange
Specialfeatures
Min.armature
inductance
Controlaccuracy
Weight,
incl.PCBblock
0-45'C
45-65'Cwithreduced
oower:2o/ofK
(with
>1:20'000
feedback)
tachometer
<0,57oat nr"*
2.250k9
Dimensions
O Adjustablereferenceintegratorfrom 015 to 1,5s (optional)
O Opto-isolatedinputsfor controllerenable,two limit switches,
reference0
O + 15V and -15 V outputsfor feedingexternalcircuits
(max.20mA)
O Relaysignallingcontrollerready
O Protectioncircuitsand monitors
- Continuouscurrentlimit
- Peakcurrentlimit
- RPM-dependent
currentlimit
- Tachometersignal
- Controllertemperature
- Overvoltage
- Short circuitand earth fault
- Automaticpower limitationwhen ambienttemperature
exceeds 45'C
BulletinME 140e- 8B0BCAR
Subject to change
23, CH-8105Regensdorf
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Contraves
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Contraves
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