Bosch Rexroth MKE E Series, Project Planning Manual

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4.3 Technical Data Encoder for MKE Motors
Data Sheet
Designation Symbol Unit
MKE037⃞-⃞⃞⃞-A MKE047⃞-⃞⃞⃞-A MKE098⃞-⃞⃞⃞-A MKE118⃞-⃞⃞⃞-A MKE098⃞-⃞⃞⃞-B MKE118⃞-⃞⃞⃞-B MKE037⃞-⃞⃞⃞-C MKE047⃞-⃞⃞⃞-C MKE098⃞-⃞⃞⃞-C MKE118⃞-⃞⃞⃞-C MKE098⃞-⃞⃞⃞-D MKE118⃞-⃞⃞⃞-D
Interface Hiperface EnDat 2.1 Hiperface EnDat 2.1
Encoder design
Singleturn abso‐
lute
Singleturn abso‐
lute
Multiturn abso‐
lute
Multiturn abso‐
lute
Distinguishable revolutions 1 1 4,096 4,096
Resolution of encoder 12 bit 13 bit 12 bit 13 bit
Number of lines 128 2,048 128 2,048
System accuracy
Angular
seconds
±120 ±20 ±120 ±20
Incremental signals 1Vss
Maximum encoder speed
min -1
12,000 15,000 9,000 12,000
Max. current consumption
I
Encoder
mA 60 150 60 250
Supply voltage
VCC
En‐
coder
V 7 ... 12 3,6 ... 14 7 ... 12 3,6 ... 14
Fig.4-5: Technical data MKE encoder
Calculation Example The actual Position resolution can be done for every encoder type according
to the following calcuation.
Positionsauflösung für MKE037B-⃞⃞⃞-C⃞⃞-⃞⃞⃞⃞
From table:
Distinguishable revolutions 4,096
Resolution of encoder 12 bit
Number of lines 128
Position resolution = number of lines x resolution of encoder x distinguishable revolu‐
tions
Position resolution = 128 × 2
12 × 4,096 = 2.147.483.648 information
Optical encoder: Singleturn option
A, B
These encoders permit absolute, indirect position recording within one me‐
chanical rotation. The encoders replace separate incremental encoders on
the motor.
After a power failure or after the first POWER ON, the axis must
always at first be moved to its home position.
Exception: Applications in which the maximum working path is
within one mechanical rotation of the motor.
Optical encoder: Multiturn abso‐
lute
option C, D
These encoders permit absolute, indirect position recording within 4,096 me‐
chanical rotations. The encoders replace a separate absolute value encoder
on the motor. With this encoder version, the absolute position of the axis is
preserved even after a switch-off.
Bosch Rexroth AG DOK-MOTOR*-MKE*GEN2***-PR06-EN-P
Rexroth MKE Synchronous Motors for Potentially Explosive Areas acc. to ATEX and UL/CSA
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Technical Data
LSA Control S.L. www.lsa-control.com comercial@lsa-control.com (+34) 960 62 43 01