Skip to main content

Pfannenberg Signaling Solutions comply to the European standard EN54-3

Providing effective fire alarms has gained prominence in recent years. A major reason of this concern is the increase of ambient noise also called "acoustic smog". The use of headsets, hearing protection and the consideration of deafness made the requirement of visual and acoustic alerts essential to save lifes when a dangerous situation occurs.

In order to meet these needs, The European Standard EN54-23 is effective since January 2014 and now sets requirements, testing procedures and performance features for audible alarms. The general requirements and specifications are made regarding the range of the audible alarm thus giving a certified area. Every certified tone has to be measured independently due to varying sound pressure levels.

In particular, the horizontal and vertical angle radiation characteristics of the signaling devices must be checked and defined for each individual tone allowing the total volume of area to be correctly alerted. This is an essential part of the approval which must be considered during the planning phase, as the number and location of devices is critical to meet approval.

Planning an audible alarm must be a complete process and further technical characteristics must now be considered:
  •     The sound-pressure level [SPL] and the loudness (dB) of an audible alarm device is not identical for every tone. For planning requirements the SPL of the tone to be used on site always has to be taken as the basis for the plan. Never the loudest one available from the device.
  •     The audible alarm device achieves varying dB depending on the radiation angle from the device. The maximum dB is at a 90° angle (head on) in most cases. The level is significantly reduced at the sides (0° / 180°) (see fig. 1: Polar diagram)
Specifically in the planning phase the respective signaling range of industrial sounders must be determined. This results from the existing ambient sound level, or background noise, at the project site in connection with the radiation characteristics. The technology used to create the sound also has to be checked and taken into account.

Pfannenberg PYRA and PATROL series of  industrial flashing sounders are the perfect option to comply with the highest European standards.

Our experts assist our European customers to plan and design their signaling ranges with viable certified data and take into account their specific project conditions to determine and install the exact number of audible alarm devices required.

Comments

Popular posts from this blog

Banner Engineering DF-G3 Discrete Fiber Amplifier Features World-Class Long Range Sensing Capability

Banner Engineering introduces its DF-G3 discrete long-range fiber amplifier with dual digital displays for use with plastic and glass fiber optic assemblies. Featuring increased sensing power, the DF-G3 can sense more than 3 meters (10 ft.) with opposed mode fibers or more than 1 meter (3 ft.) with diffuse mode fibers. The extra power provides increased detection reliability for dark targets at long range and enhanced detection sensitivity when using specialty fiber assemblies for large area and small part detection applications.

The DF-G3 is available with a single discrete output or two dual discrete outputs. The dual discrete outputs can be independently taught to trigger at different intensity values, which is ideal for correct part-in-place or error-proofing, bottle down, and edge guiding applications.

“We developed the DF-G3 fiber amplifier to meet our customers’ need to precisely detect smaller targets at longer ranges” said Dennis Smith, Senior Marketing Manager, Banner Engin…

TURCK M8 CORDSETS WITH 100 PERCENT SHIELDING OPTION PROTECT AGAINST EMI/RFI

TURCK is now offering the option to completely shield M8 picofast ® cordsets by connecting a braided shield directly to the coupling nut. This provides a cost-effective and reliable connection with 100 percent cable and connector shielding, which protects against electromagnetic and radio frequency interference.

The 3 and 4-pin cordsets are available with flexlife ® PVC or PUR jacketed cable. All connectors deliver IEC IP 67 protection.

The M8 picofast line, like most TURCK cordsets, provides male or female, straight and right angle connectors, standard and custom lengths, and pigtails or extensions. Fully encapsulated mating receptacles are also offered, completing the system.

TURCK’s BL Compact Family Collects Analog and Digital Signals at the Source

TURCK’s BL Compact system is a revolutionary modular I/O solution for collecting a variety of signals in a single, rugged node on a network. Rather than routing all signals through a control cabinet, this device makes it possible to obtain analog, digital, thermocouple, RTD, serial, RFID or a mixture of signal types in a compact, machine-mountable device over DeviceNet™, CANopen and PROFIBUS ®.

Up to two signals types can be combined in any combination in the BL Compact system, including RFID and analog, digital and serial—and more. The BL Compact system may be customized to suit a user’s specific needs, so that devices may be added to an existing network and signals may be gathered on the machine without an enclosure. This drop-in solution can be used to connect up to 16 devices—drastically reducing the time it takes to run wires for each device back to the control cabinet and the potential for wiring errors.

The BL Compact system is currently available with four, eight or 16 ports i…