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Overview / Design Principle:
The magnetoresistive sensor of the SLIM Tach®
SL85 operates with an unparalleled immunity to
grease, oil, salt water, dirt, fibers, and dust,
thereby eliminating the need for sealing. It occupies
only 1.250 of the motor shaft length, enabling
the encoder and a flexible coupling or pulley
to be mounted on the motor. The simple and sturdy
design can be mounted in any attitude quickly
and easily.
The sensor generates A and B phase quadrature
signals and their complements. The module provides
transient and noise suppression, reverse polarity
protection, and operates with DC power from +5
to +15 volts. A high power, complementary, line
driver output assures clean, crisp signals over
long cable lengths. The hardened encapsulated
electronics of the SL85 make it especially resistant
to heavy machine vibration and accidental impacts.
Mounting the SL85 onto the 8.5 (180 C) face of
a motor is quick and easy with no adapter plates,
bearings, or flexible coupling. Installation can
be completed in seconds with no gap adjustments
or special tools. The encoder can be removed then
reinstalled just as easily. The latching industrial
connector requires only a simple screw driver
to install. To replace a module, simply remove
four screws and replace with a new module. No
electrical adjustment or alignment is required.
The SL85 pulse wheel assembly is imprinted with
magnetic poles that provide higher pulse counts
than traditional gear tooth wheels. The higher
resolution provides greater accuracy and more
precise speed control in your applications. For
flexible usage, wheel assemblies are available
in a variety of mounting configurations.
Features and Benefits:
- Thru-shaft and end-of-shaft versions are standard;
double C
face sandwich version is also available
- 64, 128, 256, 512, 1024, or 2048 pulses per
revolution (PPR) with
optional index pulse
- 5-15VDC operation, bi-directional quadrature
signals with
high power, differential line driver output
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