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SM512

Diffuse Mode Sensors

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SM512 Series Diffuse Mode Sensors

DC sensors with metal housings: SM512DB, DBX, LBD, and LBDX

Banner SM512 Series dc diffuse mode sensors are designed for

reliable performance in especially hostile industrial environments.

These sensors have totally-encapsulated circuitry within die-cast

metal housings for superior resistance to moisture and physical

abuse. Models include: SM512DB, SM512DBX, SM512LBD,

and SM512LBDX.

Model SM512DB has a sensing range of 8 inches and a response

time of 1 millisecond (ms). Model SM512DBX has greater range

(15 inches) and 10 ms response time. Models SM512LBD and

LBDX are divergent diffuse sensors with a wide field of view,

which makes them ideal for sensing of transparent objects. See the

individual product descriptions (page 2) for more information.

SM512 Series sensors have complementary NPN transistor out-

puts (one normally open and the other normally closed), which

connect directly to Banner MICRO-AMP and MAXI-AMP logic

modules, as well as to most logic gates, small relays, and other

similar dc loads.

SPECIFICATIONS, SM512 Series Diffuse Sensors

RANGE: See excess gain curves in individual product descriptions.

SUPPLY VOLTAGE: 10-30V dc. Maximum allowable ripple 10%;

supply current is typically less than 40mA (exclusive of load).

OUTPUT CONFIGURATION: Complementary open-collector NPN

transistors (one normally open and one normally closed), with continuous

short-circuit protection. All models have reverse polarity protection.

OUTPUT RATING: Each output transistor is capable of sinking up to

250mA continuously. On-state saturation voltage less than 2 volts at full

load and less than 1 volt at signal levels. Off-state leakage current less than

100 microamps. Outputs are reverse-polarity protected.

RESPONSE TIME: See individual sensor specifications. Response

time is independent of signal strength.

REPEATABILITY: See individual sensor specifications. Repeatabil-

ity is independent of signal strength.

OPERATING TEMPERATURE: -40 to +70 °C (-40 to +158 °F).

CONSTRUCTION: Die-cast metal housing with stainless steel legend

plate. Totally encapsulated. NEMA 1, 2, 3, 3S, 4, 4X, 12, and 13. Cables

are .15-inch diameter, PVC covered, and shielded (4 conductor, 6 feet

long).

INDICATOR LED: Red LED indicator at rear of sensor (above cable

exit) lights when the sensor is receiving a "light" signal.

SENSITIVITY ADJUSTMENT: Single-turn adjustment, accessible

by removing the nylon screw on the side of the sensor.

APPLICATION WARNINGS:

Outputs will not directly interface TTL logic, due to the reverse-polarity

protection diode. Contact the factory for TTL interfacing instructions.

The short-circuit protection may de-energize the outputs with certain

incandescent light bulb or capacitive loads. Contact the factory if these

loads are anticipated.

Dimension Drawing

Functional Schematic

WARNING These photoelectric presence sensors do NOT include the self-checking redundant circuitry necessary to allow their use

!

in personnel safety applications. A sensor failure or malfunction can result in either an energized or a de-energized sensor output condition.

Never use these products as sensing devices for personnel protection. Their use as safety devices may create an unsafe condition which could

lead to serious injury or death.

Only MACHINE-GUARD and PERIMETER-GUARD Systems, and other systems so designated, are designed to meet OSHA and ANSI machine safety

standards for point-of-operation guarding devices. No other Banner sensors or controls are designed to meet these standards, and they must NOT be used

as sensing devices for personnel protection.

Printed in USA

P/N 34373

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