Bray Series 54 inductive proximity sensors are designed to monitor open and closed positions on quarter-turn valve actuators and comply with the NAMUR/VDI VDE 3845 mounting standard. Available with PNP, AC/DC, and AS-i output options, they feature an IP67 protection rating and are suitable for industrial valve applications involving high-pressure or corrosive washdown, dirty processing environments, rapid cycling, and shock or vibration.
Bray Series 54 Inductive Proximity Sensor Valve Position Monitoring
Inductive proximity sensors for quarter-turn valve position monitoring, supporting AS-i communication
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After-sales support
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Specifications
- Sensing Method
- Inductive
- Switching Function
- PNP, AC/DC: 2 x normally open (NO); AS-I: 2 x programmable
- Output Type
- PNP, AC/DC, AS-I
- Communication Protocol
- AS-i
- Rated Operating Distance
- 0 ... 2.43 mm
- Protection Rating
- IP67
- Installation Standard
- NAMUR/ VDI VDE 3845
- Switching Frequency
- PNP: 0 - 500 Hz; AC/DC: 25 Hz; AS-i: 0 - 100 Hz
- Operating Temperature Range
- -25 - 70°C (-13 - 158°F)
- Certification
- cULus Listed, General Purpose
Application scenarios
Quarter-turn valve open/closed position monitoring
Installed on quarter-turn valve actuators compliant with NAMUR/VDI VDE 3845, providing non-contact inductive detection and status feedback for valve open and closed positions, with integration into process control environments.
Valve position monitoring in high-pressure or corrosive washdown areas
Used to monitor open and closed positions of quarter-turn valve actuators in industrial areas exposed to high-pressure or corrosive washdown. The sensor features a sealed design and IP67 protection rating to prevent the ingress of liquids or solids.
Valve position monitoring in dirty processing and rapid-cycling applications
Used to monitor open and closed positions of quarter-turn valves in dirty processing environments and rapid-cycling applications. Non-contact inductive detection reduces mechanical wear, while the sealed protective design accommodates the risk of liquid or solid ingress.
Industrial valve monitoring in shock and vibration environments
Used to monitor open and closed positions of quarter-turn valves in industrial environments subject to shock and vibration. The product's robust, durable design is specifically suited for shock- and vibration-resistant applications.
Selection points
Direct Mounting on VDI/VDE 3845 Standard Actuators
Series 54 can be mounted directly on actuators compliant with NAMUR/VDI VDE 3845 standards, making it suitable for compact valve position monitoring installations.
Non-Contact Inductive Sensing for Fast-Cycling Applications
This series uses non-contact inductive sensing for fast-cycling applications. PNP versions offer a switching frequency of 0-500 Hz, preventing wear caused by mechanical contact, switch welding, arcing, and sparking.
IP67 Sealed Design for Washdown and Harsh Environments
With an IP67 protection rating and tightly sealed construction, the product prevents liquid or solid ingress and is suitable for high-pressure washdown, corrosive washdown, and dirty processing environments.
PNP, AC/DC, and AS-i Output Options
Series 54 is available with PNP, AC/DC, and AS-i output types. AS-i versions support the AS-i communication protocol and feature 2 programmable switching functions for digital network interfaces with valve actuators.
LED Status Indication
The product is equipped with LED indicators for sensor power, switching, and solenoid coil status, enabling convenient on-site monitoring of operating conditions.
Installation & maintenance notes
Actuator Installation Standard Compatibility
The sensor should be mounted directly on quarter-turn valve actuators compliant with VDI/VDE 3845.
Operating Temperature Range Limitation
The sensor should be installed in applications with an ambient temperature range of -25 to 70°C.
FAQ
How do Series 54 proximity sensors work?
The Series 54 uses two independent sensors to indicate the valve open and closed positions, providing non-contact position detection for quarter-turn valves.
What output interfaces are available for the Series 54, and how can it be integrated with existing control systems?
The Series 54 offers multiple output options, including PNP, AC/DC normally open types, and an AS-I programmable type. It can interface with most standard process control environments and is designed for compatibility with actuators conforming to VDI VDE 3845.
What durability features does the Series 54 offer for harsh environments?
The sensor features a tightly sealed, impact-resistant, vibration-resistant, UV-resistant, and corrosion-resistant design. It is suitable for high-pressure washdown, corrosive washdown, and dirty processing environments, and requires no maintenance.
What installation advantages does the Series 54 offer?
The compact design mounts directly to actuators compliant with VDI/VDE 3845 for quick and simple installation. LED indicators display power, switching, and solenoid status.
How can the Series 54 selection and configuration be confirmed?
The specific configuration must be confirmed based on the actual model, output requirements, and application conditions. If needed, provide the valve actuator model, desired output type, and operating environment for further verification.




