Specifications

Reliable Under Extreme Environments
The M1151-M10A combines the ruggedness of a brushless
resolver and reliability of a solid-state control. The resolver can
be mounted on a machine shaft in any hostile environment,
such as mechanical shock, vibration, extreme humidity and
temperature changes, oil mists, coolants, solvents, etc., and the
programmable unit M1151-M10A can be mounted up to
2500 ft (762 m) away in a control panel. The ratiometric con-
verter assures high-tracking-speed and high-noise-immunity.
Self-Diagnostics with Healthy Output
The M1151-M10A is provided with an internal self-check cir-
cuit that continuously monitors if the microprocessor is not in
reset, input 120 VAC power, DC power supplies, resolver
cable, and output-enable circuit. In case a fault occurs in any
one of the above critical functions, the unit goes into fault
mode and a transistor output changes state from ON to OFF.
For fail-safe operation, the healthy output is ON for normal
operation and OFF when a fault occurs.
Built-in Motion Detector
Motion detector output is energized when the shaft is rotating
in excess of 5 RPM.
Ideal Solution for Shut Height Indication
The M1151-M10A, along with a dual-resolver, provides an
ideal solution for shut-height indication. Because of absolute
nature of the resolver, the position is retained even during
power loss.
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Position Transducers/Sensors