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The RSPAdvantage
Home Safety (Industrial)

Industrial Safety Equipment

Safety gateways act as a portal between two programs to communicate by converting the protocol of one device to a suitable protocol for the other device. This single point of access can help to monitor safety functions, such as, speed, emergency stop signals, light grids, safety door locks, shut off mats, and so on.

Safety pilot lights are devices that provide a visual indicator about the operating status of industrial equipment. Colored lenses provide information about about changing conditions, on/off status and alarm signals.

Safety PLCs perform the same way as standard PLCs but are certified to meet international safety standards with the purpose of controlling safety-related functions. They continuously monitor various inputs and outputs to detect any fault or failure. When a failure occurs, the PLC will shut down in a safe and predictable way.

Safety relays are electromechanical switching devices that are designed to implement safety functions and reduce risk. When an error occurs or a detection zone is violated, the safety relay will initiate a safe and reliable response.

Safety signal conditioners are devices that convert one type of electronic input signal into a different type of output signal. At the same time, they provide important safety functions, such as, protecting equipment from high voltages, high-frequency coupling and short circuits.

Subcategories

Safety Gateways
Safety PLCs
Safety Relays
Safety Signal Conditioners
Safety Switches
Signage & Marking
Protective Products

 

What is "Fail Safe"? 

What is fail safe?

Fail safe is to cause a piece of machinery or other mechanism to revert to a safe condition in the event of a breakdown or malfunction. In regards to electrical equipment, this would be a state where no power exists. In other words, when the device fails, power would no longer be running to that piece of equipment. 

So how is this done?

 An electrical motor, for example, can be switched on and off with some kind of motor starter. This motor starter will commonly consist of a contactor, which is a normally open set of contacts capable of providing the necessary power to the motor, as well as an overload protection device. The overload is designed to monitor the power and ensure that any overcurrent event does not destroy the motor or allow the contacts on the contactor to be welded shut. Upstream of the motor starter will be some kind of circuit protection device, commonly a breaker or fuse. This device also protects against overcurrent, but offers additional protection against large voltage spikes, like a lightning strike or power surge. With all of these devices upstream of the motor, if the motor were to begin to overheat, the overload would cause the contacts on the contactor to open, switching power off to the motor. In this instance, the motor failed, but did so in a safe manner, or safe state.

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