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Proximity Sensor 54-GS Series

Bray 54-GS Series compact inductive proximity sensor for reliable position indication and valve monitoring of quarter-turn valves

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Product Overview

Compact inductive proximity sensor for quarter-turn valve positioning

Compact and Reliable Proximity Sensor for Precision Valve Control

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

Technical Specifications

ParameterValue
Switching FunctionPNP: 2 x Normally Open (NO)
DC 2-wire output: 2 x Normally Open (NO)
Output TypePNP, DC 2-wire output
Communication ProtocolNone
Rated Operating Distance0 … 2.43 mm
Protection RatingIP66/ IP67
ConnectionPlug connector, cable gland
Operating VoltagePNP 10 … 30 V DC
DC 2-wire output 5 … 30 V DC
MountingNAMUR/ VDI VDE 3845
Switching FrequencyPNP: 0 … 1000 Hz
DC 2-wire output: 0 … 500 Hz
Temperature Range-13° to 158° F (-25° to 70° C)
CertificationcULus Listed, General Purpose

FAQ

How does the Bray 54-GS Series proximity sensor provide open/close position feedback for quarter-turn valves?

The 54-GS Series uses two independent inductive non-contact sensors to indicate the fully open and fully closed valve positions respectively. The non-contact detection method avoids mechanical wear and reduces potential issues such as switch welding, arcing, and sparking, providing stable position feedback for the valve control system.

What electrical parameters should be verified when selecting the 54-GS Series for quarter-turn valves?

The output type, supply voltage, and switching frequency required by the control system should be confirmed. This series offers PNP and DC 2-wire outputs, both 2 x normally open type; PNP operating voltage is 10 to 30 V DC, DC 2-wire output operating voltage is 5 to 30 V DC. PNP switching frequency is up to 1000 Hz, DC 2-wire output up to 500 Hz. Specific configuration should be confirmed based on actual model and application conditions.

Can the 54-GS Series be directly mounted on existing valve actuators?

This series is suitable for NAMUR/VDI VDE 3845 mounting and can be installed directly on actuators compliant with VDI/VDE 3845 standards. The compact design helps reduce the overall actuator package volume. Actuator interface compatibility and actual model match should be verified during installation.

Is the 54-GS Series suitable for washdown-heavy, dirty, or corrosive environments?

Yes. This series features a tight sealing design that prevents liquid or solid ingress, with IP66/IP67 protection rating. The construction resists impact, vibration, UV, and corrosion, making it suitable for high-pressure washdown, corrosive washdown, dirty processing environments, and fast-cycle applications. Operating temperature range is -25°C to 70°C.

How can the 54-GS Series be monitored and maintained during operation?

The sensors feature LED indication for sensor power, switch, and solenoid coil status, enabling quick on-site operational status verification. The product uses a non-contact, maintenance-free design. In daily use, the connector or cable gland connection can be inspected via LED status, and the mounting area should remain well-sealed.

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