Banner MINI-BEAM Expert Series User Manual

Mini-beam sme312 expert series

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Microprocessor-based TEACH mode photoelectric sensors¹

• TEACH-mode sensors in the popular MINI-BEAM package
• Easy push-button programming automatically adjusts sensitivity to optimal set-

ting

• Multiple sensing modes include retroreflective, polarized retro, clear object de-

tection, diffuse, divergent, and convergent, plus glass and plastic fiber optic
models

• Fast, 500 microsecond (0.5 millisecond) output response
• Bipolar NPN (sinking)/PNP (sourcing) outputs
• Easy output programming eliminates the need for Light or Dark Operate selec-

tion

• Separate TEACH input allows remote programming by an external device, such

as a switch or a process controller

• LED status indications for received signal strength (using Banner’s AID™ func-

tion), power ON, and output state

• Green Stability indicator flashes when received signal level approaches the

switching threshold, also indicates Power ON

• Integral 2 meter (6.5 foot) cable or 5-pin Euro-style quick-disconnect (QD) con-

nector, depending on model; 9 meter (30 foot) cable models are also available

¹ U.S. patent(s) issued or pending

WARNING: Not To Be Used for Personnel Protection
Never use this device as a sensing device for personnel protection. Doing so could lead to serious
injury or death.
This device does NOT include the self-checking redundant circuitry necessary to allow its
use in personnel safety applications. A sensor failure or malfunction can cause either an energized or de-
energized sensor output condition.

Retroreflective Models

Sensing Mode

Model *

Range or Focus

Supply Voltage

Output Type

Retroreflective, 650 nm visible red

SME312LV

5 m (15 ft)**

10 to 30V dc

Bipolar

NPN/PNP

Polarized retroreflective, 650 nm visible red

SME312LP

10 mm to 3 m** (0.4 in to 10
ft)

Polarized retroreflective, 650 nm visible red
(clear object)

SME312LPC

1 m (3.3 ft) with supplied re-
flector**

** Sensing ranges vary according to the efficiency and reflective area of the retroreflector(s) used. (Retroreflective tape is not recommen-
ded for use with Clear Object Detection models.) See Accessories and the Banner Engineering catalog for more information.

Diffuse Models

Sensing Mode

Model *

Range or Focus

Supply Voltage

Output Type

Diffuse, 880 nm infrared

SME312D

380 mm (15 in)

10 to 30V dc

Bipolar

NPN/PNP

Diffuse, 650 nm visible red

SME312DV

1100 mm (43 in)

Divergent Diffuse, 880 nm infrared

SME312W

130 mm (5 in)

MINI-BEAM SME312 Expert Series

P/N 055214 Rev. F

1/23/2013

0 055214

1

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