Portescap
Group: DANAHER MOTION

Incremental rotary encoder
MR2 Series Portescap

Facilitates ease-of-integration with flexible resolution programming to deliver closed loop feedback, performance positioning and speed control

Portescap, A Danaher Motion
Company, introduces the MR2 magneto resistive encoder.
The MR2 incremental encoder is designed for seamless
integration with Portescap motor drive systems. These
encoders deliver accurate positioning at a controlled speed
with factory-programmable resolution from 4 to 512 lines in
discrete steps, in a compact package.
The MR2 encoder facilitates easy and cost-effective system
upgrades by eliminating the rigorous test cycle qualifications
for qualifying OEM machine parts, as the MR2 encoder
package remains the same regardless of the desired resolution.
As a result, machine builders will realize improved
value and lower cost of ownership due to the MR2's ability to
support multiple generation product upgrades, with a simple
factory programming adjustment, to deliver higher resolution
performance.
"Portescap's expertise in miniature motor solutions is reflected
in the design of our MR2 magneto resistive encoder.
The MR2 can be seamlessly integrated to the motor shaft,
thus facilitating smaller package size for integrated motor
assemblies. It is highly immune to dust and vibration-related
jitter compared with other technologies. In fact the MR2 encoder
can reduce jitter by up to 60-70% compared with other
incremental encoders [as shown in Figures 1 and 2] for a
more compact, higher performing machine," says Anil Alex,
Brush DC Product Line Manager at Portescap.

The MR2 encoder is an ideal performance positioning and
speed control solution for medical, security and access, industrial
automation, and electronics assembly related applications.
For machine builders in these industries, a system design can
be implemented with a lower line count of 128 lines for first
generation products, and upgraded to a higher resolution
line count of 512 lines for future generation products, all without any motor-encoder assembly change.
MR2 encoders are compatible with brush DC, brushless slotless
DC and brushless slotted DC motors of various sizes
and ratios. They are manufactured in an ISO certified facility,
and are RoHS compliant. Contact Portescap's application
and sales support team to provide additional specifications
and rapid prototype samples.
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