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SIL725 Safety Annunciator

SIL725 Safety Annunciator

Product catalog summary

Overview: The SIL725 Safety Annunciator is a SIL2 certified device for critical alarm applications in safety instrumented systems, certified by SIRA to IEC61508 standards.

Specifications: It supports 1 to 128 alarm channels, features a multi-redundant design, and offers ultra-bright LED illumination in six colors. It can be mounted on panels, racks, or walls and is fully field programmable.

Functional Safety: The device ensures reliable alarm systems with features like alarm window illumination, integral horn sound, and de-energizing of horn and group relays upon triggering.

Application Limits: To maintain SIL2 certification, the unit must adhere to a 10-year lifetime, periodic proof testing, and operation within specified limits.

Design and Technology: The SIL725 uses ASIC technology for enhanced safety and reliability, with a multi-redundant design and a 1oo2 arrangement for alarm windows.

Programming and Maintenance: The unit is programmable from the front with EEPROM storage. Maintenance can be performed without special tools.

Inputs and Outputs: Inputs are opto-coupled with a standard voltage of 24V. The unit includes up to four relay outputs for alarms, with auxiliary relays for individual alarm ways.

Display and Configuration: Supports various window sizes and configurations with customizable alarm sequences.

Options and Customization: Options include tropicalization, individual repeat relays, adjustable response times, and various mounting configurations.

Compliance and Installation: The SIL725 is CE marked and conforms to European EMC and LVD directives, with installation options for various enclosures.

Bezel Assembly Construction: The bezel assembly allows for on-site color or text changes via a film legend insert.

System Configuration: Includes various configurations for window size and active alarm ways, with modules like 6-button TAR.

Safety Requirements: Users must refer to the Certificate and Operating Manual for full safety details.

Inputs: All inputs are bipolar, suitable for volt-free contacts or 24VDC powered inputs, and withstand a 1000V Megger test.

Response Time: Standard response time is 22ms, with adjustable times from 1ms to 2s.

Pushbuttons: Includes terminals for LED Test, System Test, Acknowledge, Mute, Reset, and First-up Reset.

Outputs: Up to four common relays, configurable as Audible A/B or Group A/B, with repeat relays available for each alarm way.

Audible: Features a 3kHz piezoelectric buzzer at 90dB from 30cm.

Display: Window sizes are Medium and Large, with six color options for LED illumination.

General Specifications: Supply voltage is 24VDC nominal, with compliance to various EN standards and surge immunity.

Environmental Conditions: Operating temperature ranges from -20 to 55ºC, with protection levels up to IP67.

Connections and Weight: Uses two-part rising clamp type terminals, with each module weighing approximately 0.3kg.

Manufacturer Information: RTK Instruments Limited, part of the MTL Instruments Group plc, located in North Yorkshire, England.

Warranty and Compliance: The product comes with a 5-year guarantee and complies with ISO9001:2000 standards.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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