Cattron BWI Eagle Wireless E-Stops Review: Specs, Price and Applications
Updated: 7 days ago
BWI Eagle Wireless E-Stops use monitored two-way radio communication between transmitter and receiver. The listing describes receiver relay de-energization on an emergency-stop command and after a specified timeout when the communication link is lost.
Quick Verdict
A candidate to assess within a complete machine emergency-stop design. Confirm the exact product's safety documentation, timeout and reset behavior; the listing's reference to IEC 61508 SIL standards does not identify a certified SIL level for every configuration.
Cattron BWI Eagle Wireless E-Stops at a Glance
Communication: Continuous two-way monitoring with heartbeat
Stop command: Linked receiver relays de-energize
Link-loss response: Relay de-energization after specified timeout
Listed range choices: 600–5,000 feet; model/application-dependent
Battery: USB-rechargeable lithium-ion
Network selection: Eight independent network frequencies described
Safety statement: Designed to IEC 61508 SIL standards; exact evidence required
Price: Request a quote for the exact ordering configuration.
Technical Specifications
Specification | Documented configuration |
Communication | Continuous two-way monitoring with heartbeat |
Stop command | Linked receiver relays de-energize |
Link-loss response | Relay de-energization after specified timeout |
Listed range choices | 600–5,000 feet; model/application-dependent |
Battery | USB-rechargeable lithium-ion |
Network selection | Eight independent network frequencies described |
Safety statement | Designed to IEC 61508 SIL standards; exact evidence required |
Design and Build
The heartbeat makes communication availability part of the receiver's operating decision. Its timeout therefore contributes to the complete fault-response time. Specify that timeout along with the machine's downstream protective circuitry and mechanical stopping behavior; a receiver relay event and a completed machine stop are different points in the sequence.
The important design question is how the device participates in the complete safety function. A component, guard, controller and actuator must work together to deliver the intended behavior. The enclosure's access points, reset locations and maintenance arrangements should be included in that design. A safety-related product should therefore be selected from a defined machine requirement, rather than added late as an accessory.
Configuration and Integration
The receiver's stop contacts need to be integrated with the machine's defined emergency-stop circuit. Evaluate contact arrangement, reset behavior and prevention of an unintended restart using the exact instructions. Restoring radio communication or recharging the transmitter should not be confused with authorization to resume operation.
Commissioning should establish the behavior during normal operation, intervention and recovery. Test the complete sequence with the actual machine state, and ensure that restoring a component or closing a guard cannot produce an unintended restart. Operators need a clear distinction between permission to operate, permission to enter and the procedure used to isolate equipment for maintenance. The product's role should be documented in that distinction.
Applications and Use Cases
Wireless emergency-stop access as part of an engineered machine protective function.
The listed IEC 61508 design statement is a starting point for requesting evidence. It does not state a particular certified SIL number, or validate the complete installed machine. Review the selected transmitter/receiver combination, battery supervision, operating coverage and commissioning procedure with the people responsible for the protective function.
The selection should be reviewed by the people responsible for the machine's safety design. Protective components can support a sound design, but they do not establish compliance for the complete cell on their own.
Alternatives and Selection
Compare with other documented wireless emergency-stop systems by validated architecture, total response time, reset behavior and installation coverage. A standard wireless relay system is not an equivalent substitute solely because it can open a circuit.
Price and Value
Price: Request a quote. The quotation should identify the exact product configuration, included options, delivery terms and support scope. Accessories and integration work should be listed separately so the hardware price can be compared on a like-for-like basis. A family name or headline specification is not a complete purchasing description.
Assess value against the work the product enables in the machine. Include the engineering needed to configure it, the equipment that must operate alongside it and the effort required to maintain or replace it. A lower component price can be outweighed by extra integration work, while additional features are valuable only when the application can use them. Compare written configurations rather than assumed package contents.
Pros and Cons
Pros
Two-way link monitoring with a defined link-loss response concept
Wireless operator stop access within a documented installation
Cons
Whole-machine response includes timeout and downstream stopping behavior
Exact safety rating and reset design require configuration-specific evidence
Who Should Consider Cattron BWI Eagle Wireless E-Stops?
A candidate to assess within a complete machine emergency-stop design. Confirm the exact product's safety documentation, timeout and reset behavior; the listing's reference to IEC 61508 SIL standards does not identify a certified SIL level for every configuration.
The strongest purchasing case is a clearly defined requirement that matches the documented configuration. If the project depends on a particular option, interface or mechanical arrangement, include it explicitly in the order. Keep the accepted configuration with the equipment documentation so a later replacement preserves the intended application.
Commissioning and Acceptance
Acceptance should cover the intended sequence, foreseeable misuse, fault conditions and restoration after an interruption. Inspect the installed mechanical alignment and electrical connections where applicable. Keep the selected product's instructions, ordering code and machine documentation together so a replacement is evaluated against the original safety design. A successful production cycle is not evidence that a protective function has been validated.
Cattron BWI Eagle Wireless E-Stops FAQ
What is Cattron BWI Eagle Wireless E-Stops?
BWI Eagle Wireless E-Stops use monitored two-way radio communication between transmitter and receiver. The listing describes receiver relay de-energization on an emergency-stop command and after a specified timeout when the communication link is lost.
Which configuration is reviewed?
Communication: Continuous two-way monitoring with heartbeat. Stop command: Linked receiver relays de-energize.
What is the main selection consideration?
A candidate to assess within a complete machine emergency-stop design. Confirm the exact product's safety documentation, timeout and reset behavior; the listing's reference to IEC 61508 SIL standards does not identify a certified SIL level for every configuration.
What applications should it be considered for?
Wireless emergency-stop access as part of an engineered machine protective function.
What is a documented advantage?
Two-way link monitoring with a defined link-loss response concept. Wireless operator stop access within a documented installation.
What limitation matters during integration?
Whole-machine response includes timeout and downstream stopping behavior. Exact safety rating and reset design require configuration-specific evidence.
What is the price?
Price: Request a quote. Specify the exact ordering configuration, required options, accessories and delivery terms.
How should an alternative be compared?
Compare with other documented wireless emergency-stop systems by validated architecture, total response time, reset behavior and installation coverage. A standard wireless relay system is not an equivalent substitute solely because it can open a circuit.
Product information: Cattron supplier product information.
Pricing is quotation-based and may change. Options, availability, delivery and application requirements depend on the selected ordering configuration.
