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Proximity Sensor 54-HS Series

Bray 54-HS Series intrinsically safe inductive proximity sensor for precise position indication and valve monitoring of quarter-turn valves in hazardous area processing environments

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Product Overview

Reliable inductive proximity sensor for precise quarter-turn valve positioning

Compact Proximity Sensor for Precision Valve Monitoring

Inductive proximity sensor
Series 54 proximity sensors provide position indication for quarter-turn valves. The superior design delivers a reliable, durable valve monitoring and control solution for efficient plant operation. The compact Series 54 mounts directly to VDI/VDE 3845 compliant actuators, enabling smaller actuator packages and cost savings. Multiple electrical output options allow Series 54 to integrate into all standard process control environments.
Features:
Two independent sensors indicate open and closed valve positions
Optimal design for high-pressure washdown and corrosive washdown applications
Tight sealing prevents ingress of liquids or solids
Suitable for dirty processing environments and fast-cycle applications
Rugged design resists impact, vibration, UV, and corrosion
Maintenance-free design
Non-contact sensors eliminate mechanical wear
Eliminates potential switch welding, arcing, and sparking
Quick and easy installation
LED indication shows sensor power, switch, and solenoid coil status
DC 2-wire output sensors suitable for hazardous area processing environments

Technical Specifications

ParameterValue
Switching FunctionIntrinsically Safe - NAMUR = 2 x Normally Closed (NC)
DC 2-wire output = 2 x Normally Open (NO)
Output TypeIntrinsically Safe = NAMUR
DC 2-wire output = 2 x Normally Open (NO)
Communication ProtocolNone
Rated Operating DistanceIntrinsically Safe - NAMUR = 0 … 2.4mm
DC 2-wire output = 0 … 2.05mm
Protection RatingIntrinsically Safe = IP67
DC 2-wire output = IP66/67/69K
ConnectionIntrinsically Safe
Qty 1: M12 x 1 plug connector
Qty 1: M12 x 1 and Qty 1: RD24x18 plug connector
Qty 2: M20 x 1.5 cable gland
DC 2-wire output
Operating VoltageIntrinsically Safe 8V
DC 2-wire output 6 - 30V
MountingNAMUR/ VDI VDE 3845
Switching FrequencyIntrinsically Safe = 0 … 3 kHz
DC 2-wire output = 0 … 100 Hz
Temperature RangeIntrinsically Safe = -25 … 100°C (-13 … 212°F)
DC 2-wire output = -40 … 75°C (-40 … 167°F)
CertificationIntrinsically Safe - NAMUR
cULus Listed, General Purpose (E248934)
DC 2-wire output

FAQ

How does the Bray 54-HS Series proximity sensor monitor open/close positions of quarter-turn valves?

The 54-HS Series uses inductive, non-contact detection with two independent sensors corresponding to the fully open and fully closed valve positions. When the actuator moves the target into the rated sensing distance, the sensor outputs the corresponding open or closed position signal for valve status monitoring and process control interlocking. The non-contact operating method avoids mechanical wear and reduces the risk of switch welding, arcing, and sparking.

How should I choose between NAMUR intrinsically safe and DC 2-wire output for the 54-HS Series?

Selection should be based on the control system interface, area classification, and application conditions. The intrinsically safe NAMUR version features 2 x normally closed output, 8V operating voltage, rated sensing distance of 0 to 2.4 mm, switching frequency of 0 to 3 kHz, and IP67 protection. The DC 2-wire output version features 2 x normally open output, 6 to 30V operating voltage, rated sensing distance of 0 to 2.05 mm, switching frequency of 0 to 100 Hz, and IP66/67/69K protection. Specific configuration should be confirmed based on actual model and application conditions.

Can the Bray 54-HS Series be directly mounted on existing pneumatic or electric quarter-turn actuators?

This series is designed for actuators compliant with NAMUR/VDI VDE 3845 mounting standards and can be installed directly. The compact design helps reduce the overall actuator package size and simplifies field installation. Actuator mounting interface compatibility and sensor model suitability for site connection requirements should be verified before installation.

Is the 54-HS Series suitable for high-pressure washdown, corrosive washdown, or dusty environments?

The 54-HS Series features tight sealing and rugged construction to prevent liquid or solid ingress, making it suitable for dirty processing environments, fast-cycle applications, and high-pressure or corrosive washdown. The DC 2-wire output version offers IP66/67/69K protection; the intrinsically safe NAMUR version offers IP67 protection. The product also resists impact, vibration, UV, and corrosion.

What maintenance does the 54-HS Series require, and what status can the LED indicators show?

The 54-HS Series is a maintenance-free design using non-contact sensing with no mechanical contact wear. In daily use, field inspections can verify mounting tightness, connector or cable seal condition, and proper sensor detection positioning. LED indication shows sensor power, switch status, and solenoid coil status, enabling quick on-site assessment of valve position feedback and signal condition.

Documents

Brochure - 92/93 Series Pneumatic Actuators and AccessoriesProduct information · EnglishBrochure - Actuators and ControlsProduct information · EnglishBrochure - Valve Automation Center (VAC)Product information · EnglishIOM Manual - Proximity Sensor Series 54Manual · EnglishReference Guide - Hazardous Location ProductsProduct information · EnglishReference Guide - Intrinsically Safe Selection GuideProduct information · EnglishTechnical Sales Manual - Proximity Sensor Series 54Manual · EnglishSales Data Sheet - Proximity Sensor Series 54Product information · ChineseSales Data Sheet - Sensor de Proximidad Series 54Product information · EnglishSales Data Sheet - Sensores de Proximidad Serie 54Product information · English

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