05701-A-0405 HONEYWELL

Description:

The 05701-A-0405 from Honeywell Analytics is a robust AC to DC power supply unit, specifically designed as a crucial component of the System 57 family of industrial gas detection and control systems. This unit efficiently converts incoming AC or DC power into a regulated 24VDC output, providing stable and reliable power to up to 16 channels within a System 57 rack.

Application Scenarios:

Consider a hazardous industrial environment, such as an oil and gas refinery or a chemical processing plant, where continuous monitoring of toxic and flammable gases is paramount for worker safety and operational integrity. In such critical settings, an uninterrupted and stable power supply for gas detection equipment is non-negotiable. The 05701-A-0405 serves as the lifeline, providing the necessary electrical power to the array of gas sensors and control cards within the Honeywell System 57. Its ability to automatically sense input voltage and provide regulated DC output ensures that the gas detection system remains operational even with fluctuations in the main power supply, directly addressing the pain point of potential system downtime or inaccurate readings due to power instability, which could have catastrophic consequences in these high-risk environments.

Parameter:

Main Parameters	Value/Description
Product Model	05701-A-0405
Manufacturer	Honeywell Analytics
Product Category	Power Supply Unit
Input Voltage Range	AC: 85V to 264V (47Hz to 440Hz); DC: 110V to 340V
Output Voltage	24VDC ± 10% (Regulated)
Output Power	50 Watts (Upgradeable to 200W in 50W blocks)
Number of Ways	16-way (for 16-channel System 57 racks)
Overload Protection	Operates at >105% of rating; Automatic recovery
Overvoltage Protection	Operates at >115% of rating
Mounting	19″ universal profile rack mount (1U high)
Operating Temperature	-25°C to +55°C
Operating Humidity	20-90% RH (non-condensing)
Approvals	EN50270 (EMC compliance)

Technical Principles and Innovative Values:

The 05701-A-0405 is a cornerstone of the System 57, demonstrating Honeywell’s expertise in reliable power management for critical safety systems:

Innovation Point 1: Wide-Ranging Auto-Sensing Input: The 05701-A-0405 features an auto-sensing input voltage capability, accepting a broad range of AC and DC inputs. This eliminates the need for manual configuration and ensures compatibility with various global power standards, simplifying deployment and reducing installation errors for the 05701-A-0405 in diverse industrial settings.
Innovation Point 2: Regulated and Protected DC Output: It provides a tightly regulated 24VDC output, crucial for the sensitive electronics within gas detection systems. Combined with integrated overload and overvoltage protection, the 05701-A-0405 safeguards connected modules from power anomalies, significantly enhancing system stability and longevity compared to less protected power supplies.
Innovation Point 3: Modular Power Expansion: The 05701-A-0405 is initially rated at 50W but is designed for modular upgrades up to 200W in 50W blocks. This innovative modularity allows users to scale power capacity as their System 57 installation grows, providing cost-effective flexibility without requiring a complete power supply replacement.
Innovation Point 4: Rack-Mounted for Integrated Systems: Designed as a 1U high, 19″ universal profile rack-mounted unit, the 05701-A-0405 seamlessly integrates into standard industrial control cabinets. This form factor ensures efficient use of space and simplifies the physical layout of large gas detection systems.

Application Cases and Industry Value:

In a large underground mining operation in Australia, the 05701-A-0405 power supply units were critical to maintaining a robust gas detection network throughout the mine shafts. The existing power infrastructure suffered from voltage fluctuations and occasional outages, which led to unreliable gas monitoring and concerns for miner safety. By implementing the 05701-A-0405 as part of a System 57 upgrade, the mine achieved consistent and stable power delivery to hundreds of catalytic and electrochemical gas sensors. This directly resulted in more accurate and reliable gas readings, enabling faster response to hazardous gas buildups and significantly improving overall safety. The mine management reported a drastic reduction in false alarms and system malfunctions related to power issues, attributing the enhanced reliability and continuous operation of their safety system directly to the stable power provided by the 05701-A-0405.

Installation, Maintenance, and Full-Cycle Support:

The 05701-A-0405 is engineered for straightforward installation and dependable, low-maintenance operation within a System 57 rack. Its 19″ rack-mount design ensures quick and secure fitting into standard control enclosures, facilitating efficient system integration. The auto-sensing input voltage capability simplifies wiring and commissioning by eliminating the need for manual input voltage selection. Furthermore, the broad operating temperature and humidity ranges of the 05701-A-0405 minimize environmental conditioning requirements, making it suitable for deployment in a wide array of industrial settings without compromising performance.

Routine maintenance for the 05701-A-0405 is minimal, primarily involving periodic visual inspections to ensure proper connectivity and absence of physical damage. The integrated overload and overvoltage protection features significantly reduce the likelihood of internal component failure due to electrical irregularities. In the event of an issue, its modular design within the System 57 allows for easy replacement. Honeywell provides comprehensive full-cycle support for the 05701-A-0405, including detailed product documentation, a global network of technical support, and accessible spare parts, ensuring the long-term reliability and continuous operation of your critical gas detection infrastructure.