gefran TPD32-EV-500 series - Figure 6.12.5.2: Example of Application of the Encoder Reference

—————— TPD32-EV ——————
222
Speed fbk sel [414] Encoder 1 as reference Encoder 2 as reference
Encoder2 Available Notavailable
Tacho Notavailable Available
Armature Available Available
DV0727g
note! Itispossibletosetanyconguration.Followthecongurationpossibleinthetableabove.
Select enc 1 Theseparametersdenewhichspeedreferencetheencodersignalwillreferenceto.
Select enc 2 TheOFFconditionindicatesthattheencoderconnectorisnotusedasspeedreference
andthenitcouldbeusedasspeedfeedback.(CONFIGURATION/Speedfbkselmenu).
 Thespeedreferencedestinationchoicemustbedoneaccordingtothespeedregulator
conguration(e.g.cannotuseSpeed ref 1 withtherampactive).
Encoder 1 type  ItdenestheencodertypetotheXE1connectorconnected.
 Sinusoidal Sinusoidalencoder
 Digital Digitalencoder(DEIIoptionrequired)
Encoder 1 pulses PulsenumberoftheencodertotheXE1connectorconnected.
Encoder 2 pulses PulsenumberoftheencodertotheXE2connectorconnected.
Refresh enc 1 Enablesthemonitoringoftheencoder1connectionstatus,inordertodetectaspeed
feedbacklossalarm
Refresh enc 2 Enablesthemonitoringofthedigitalencoder2connectionstatus,inordertodetecta
speedfeedbacklossalarm
XE1
XE2
M
E
EXT REF
Drive A
(Master)
Encoder 2
XE1
XE2
M
E
Drive B
(Follower)
XE1
XE2
M
Drive C
(Follower)
Spd fbk sel
Tacho
DEII
(option card)
Enc 1 REF
Enc 2 REF
Enc 2
Fbk
Enc 2
Fbk
Digital encoder
Digital encoder
+
Analog
input 1
(1)
(2)
(3)
(4)
(5)
Spd fbk sel
Spd fbk sel
Encoder 2
   (1)Analoginputs/Selectinput1=Rampref1 (4)Speedfbksel=Encoder2
   (2)Speedfbksel=Encoder2  (5)Selectenc2=Rampref1
   (3)Selectenc1=Rampref1
Figure 6.12.5.2: Example of application of the encoder reference
TheDriveAspeedreferenceisprovidedinthiscasebyanexternalanalogsignalbutitcouldbesetfrominternal
digitalsources(e.g.APC300optionalcardoreldbus).
Acongurationusingtheencodersignalasthelinespeedreference,isonlypossiblewhenthespeedreference
sourceisprovidedbyanadditionalencoder,independentfromthemotorshaft.