BNS250-11ZG-2205 datasheet, PDF

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BNS250-11ZG-2205: DescriptionCoded-Magnet Sensors; File Size52KB，2 Pages; ManufacturerETC2

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BNS250-11ZG-2205 Overview

Coded-Magnet Sensors

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SERIES BNS250

Coded-Magnet Sensors

Features & Beneﬁts

• Compact size

… ideal for limited space applications.

• Sealed for submersibility

… assures long-term reliability

in the most hostile environments.

• Tamper-resistant

… cannot be bypassed with simple

magnets.

• Rugged, corrosion-resistant housing

… tolerates most

industrial environments.

• Integral LED status indicators

… facilitate easy

installation and provide visual indication of switch status.

• Shock and vibration tolerant

… designed to withstand

mechanical abuse.

• Satisfy CE & fail-to-safe requirements

… when used with

Series AES safety controllers.

Description

The Series BNS250 coded-magnet sensors are designed for

use as a safety interlock switch on movable machine

guards/articulating robot arms. Each sensor set consists of a

multiple reed switch unit and a coded-magnet actuator. The

reed switches, wired in series, will only close in the presence

of their matched magnetic ﬁeld array.

Both switch and magnet assemblies are sealed to IP67

(submersible) standards. Their tamper-resistant design

prevents bypassing with a simple magnet or improperly coded

magnetic ﬁeld. In addition, the BNS module features a 1-

meter long prewired pigtail.

AVAILABLE STANDARD MODELS

(Please order BPS250 magnet separately)

Part Number

BNS250-11z

BNS250-12z

BNS250-11zG

BNS250-12zG

Contact

Conﬁguration*

1 NO & 1 NC

1 NO & 2 NC

1 NO & 1 NC

1 NO & 2 NC

Description

Multiple reed switch

(24VDC/100mA) assembly

with 1-meter prewired

pigtail

Multiple reed switch

(24VDC/10mA) assembly

with 1 meter prewired pigtail

and built-in LED display

Multiple reed switch

(24VDC/10mA) assembly with

1 meter pigtail (side entry) and

built-in LED display

Coded-magnet actuator

Operation

The reed switch assembly is typically mounted to a stationary

portion of a guard structure, with the coded-magnet assembly

mounted to the movable element of the machine guard. When

the guard is closed, and the matched magnetic ﬁeld aligns

with the reed switch unit, the switches will close. When the

guard is open, or the required magnetic-ﬁeld array is not

properly aligned with the reed switch assembly, the sensor

output will remain “off.”

BNS250-11zG-2205

1 NO & 1 NC

BPS250

N/A

*Contact conﬁguration in presence of BPS250 coded-magnet

actuator.

Typical Applications

The sealed, compact BNS250 is ideal for use on movable

machine guards in hostile environments. Typical applications

include food processing equipment, chemical processing

equipment, woodworking machinery, packaging machinery,

and articulating robot arm rest position sensing.

*Important Note:

Series BNS Coded-magnet sensors are for use

in safety applications only when used with a

SCHMERSAL Series AES safety controller.

(Please see selection chart on Page 130.)

USE WITH ANY OTHER SAFETY CONTROLLER MAY

DAMAGE SENSOR AND/OR VOID WARRANTY.

114

BNS250-11ZG-2205 Related Products

	BNS250-11ZG-2205	BNS250	BNS250-11Z	BNS250-11ZG	BNS250-12Z	BNS250-12ZG	BPS250
Description	Coded-Magnet Sensors	Coded-Magnet Sensors	Coded-Magnet Sensors	Coded-Magnet Sensors	Coded-Magnet Sensors	Coded-Magnet Sensors	Coded-Magnet Sensors

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