LR250 BANNER ENGINEERING, LR250 Datasheet

LR250

Manufacturer Part Number

LR250

Description

Photoelectric Sensor

Manufacturer

BANNER ENGINEERING

Datasheet

1.LR250.pdf (2 pages)

Specifications of LR250

Output Current

250mA

Sensing Range Max

24.38m

Leaded Process Compatible

Peak Reflow Compatible (260 C)

Switch Terminals

Cable

Sensor Input

Optical

Sensing Mode

Opposed

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

LR2501

Manufacturer:

POLYFET

Quantity:

20 000

Current page: 1 of 2
Download datasheet (257Kb)

Printed in USA

LR250 & PT250

MAXIMUM SENSOR LEAD LENGTH: 100 feet (30m) maximum;

The LR250 emitter and PT250 receiver are compact, totally-encapsulated opposed mode remote sensors whose 1/4" diameter smooth

barrel design and excellent operating characteristics make them ideal for many sensing applications. Mounting and alignment are

extremely simple, due to these sensors' wide field of view. The LR250 and PT250 may be mounted through a 1/4" (6,4mm) clearance

hole and held in place by a setscrew, or in a model SMB250 mounting block.

LR/PT250 series sensors are fully encapsulated, and have hermetically sealed lenses to eliminate internal condensation. Units may

be washed down without damage. Identical optical performance in different housing styles is available in models LR/PT200, 300, and

400 (see Banner product catalog).

The minimum object size required to break the beam of the LR250/PT250 opposed mode sensor pair is 1/8-inch. These sensors are

designed for use with Banner MICRO-AMP

modulated amplifiers, and MB Series amplifiers.

Hookup to MB Series Amplifiers

Banner remote sensors will connect to any MB Series amplifier. The model

MRB chassis (shown) has octal sockets for the amplifier and a BR-2 relay

(supplied) and provides power for the sensors and amplifier. Up to four sen-

sor pairs may be connected to one amplifier for light-operated OR or dark

operated AND operation. In multiple-sensor hookups, receivers are wired

in parallel and emitters are connected in series (see example for CM Series

modules, next page).

Several MB Series amplifiers are available. Each provides a different output

logic function. Chassis models with additional octal sockets are also avail-

able. Other types of output devices, including solid state relays, may be

ordered (see Banner catalog).

Specifications, MB Series Amplifiers

OUTPUT CONFIGURATION: open collector NPN transistor; maximum

on-state current 250mA, maximum off-state leakage current 100 micro-

RESPONSE SPEED: 1 millisecond ON and OFF.

OPERATING TEMPERATURE RANGE: 0 to +50°C (+32 to +122° F).

POWER SUPPLY REQUIREMENT: 12-18V dc at less than 100mA,

exclusive of load.

use separate shielded cables for emitter and reciever.

RANGE: up to 8 feet in opposed mode (see gain curve)

EFFECTIVE BEAM: 0.14 inch (3.6 mm) diameter

RESPONSE SPEED: a function of the amplifier (see below)

OPERATING TEMPERATURE: -40 to +100° C (-40 to +212° F)

EMITTER CHARACTERISTICS (LR250):

880nm

CONSTRUCTION: totally encapsulated, hermetically sealed lenses.

Delrin

CABLE: sensors are supplied with 6' of PVC-covered cable.

30' cables are available by special order.

Specifications, LR250 & PT250

housing; NEMA 1, 3, 4, 12, and 13.

system MA3-4 and MA3-4P modulated amplifiers, MAXI-AMP™ system CM Series

infrared LED,

Opposed Mode

Remote Sensor Pair

Wiring rules:

1) Avoid running remote sensor cables in wireways together with

power-carrying conductors.

2) Avoid running remote sensor cables through areas of known ex-

treme electrical interference (electrical "noise").

3) Always use shielded cables and only connect the shield ("drain")

wire at the amplifier.

4) When splicing, never combine emitter and receiver wires into a

common cable. (The result will be electrical "crosstalk" within the

cable, which causes a "lock-on" condition of the amplifier.)

EXCESS GAIN CURVE

BEAM PATTERN

P/N 03389C4B

Related parts for LR250

LR250 Summary of contents

Page 1

... Mounting and alignment are extremely simple, due to these sensors' wide field of view. The LR250 and PT250 may be mounted through a 1/4" (6,4mm) clearance hole and held in place by a setscrew model SMB250 mounting block. ...

Page 2

... 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. Banner Engineering Corporation 9714 10th Ave. No., Minneapolis, MN 55441 sees "light") or dark-operated AND logic (input to module occurs when all receivers simultaneously see " ...

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