S7800A2142 | Honeywell 7800 Series Keyboard Display Module, 4-Line Interface Multi-Language

Honeywell · HMIs & Displays

Description  The Honeywell S7800A2142 is a 4-line keyboard display module (KDM) designed for direct use with all 7800 Series burner control systems. It provides real-time system monitoring, fault annunciation, and configuration capabilities, including Valve Proving and Postpurge programming, with support for ModBus communication and multilingual operation.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Burner Management Systems Part Number S7800A2142 Subcategory Keyboard Display Modules Type 4-line KDM for 7800 Series controls Display Type 4-line alphanumeric LCD display (five-row by 64-column readout) Compatible Systems All Honeywell 7800 Series Flame Relay modules Supply Voltage 13 VDC peak full-wave rectified Power Consumption 7 W / 2 VA Communication ModBus protocol enabled Language Options English, Spanish, French Programming Features Valve Proving and Postpurge configuration (password-protected) Interface Keypad with menu-driven navigation Annunciation Local and remote annunciation of operation and fault conditions Diagnostic Capability Displays first-out fault code, operation data, and burner status Reset Function Local and remote reset capability Dimensions 6.25 in (L) × 5 in (W) × 2.2 in (H) Weight 0.36 lbs (approx. 0.16 kg) Operating Temperature 0°F to 140°F (-18°C to +60°C) Storage Temperature -22°F to +158°F (-30°C to +70°C) Mounting Panel or door-mounted using built-in bracket Enclosure Rating NEMA 1 (indoor use) Display Functions Burner cycle data, lockout causes, diagnostic reports, communication setup Additional Features “Call Service” message customization and terminal naming functions Typical Applications Gas, oil, coal, and combination-fuel single burner control systems Certification UL recognized, CSA approved   Information About S7800A2142 The S7800A2142 is part of Honeywell’s advanced 7800 Series microprocessor-based burner management system, offering operators an intuitive interface for monitoring and controlling combustion processes. Designed for use with any 7800 Series relay module, it provides a four-line LCD display capable of showing real-time operational data, diagnostic messages, and lockout information. The KDM also supports configuration of advanced system functions such as Valve Proving and Postpurge, secured by password protection to prevent unauthorized adjustments. With built-in ModBus communication, it enables integration into supervisory control networks. The multi-language interface (English, Spanish, French) makes it adaptable for international operations. Compact, durable, and easy to install, the S7800A2142 enhances both operational safety and serviceability within modern burner systems. Key Features: Comprehensive System Interface: Provides real-time access to burner control data, operating status, and fault annunciation for any 7800 Series system. Advanced Programming Capability: Allows configuration of Valve Proving and Postpurge timing through secure password-protected settings. Multilingual Display: Offers user-selectable interface in English, Spanish, or French to support diverse operating environments. ModBus Communication: Enables network integration for remote monitoring, diagnostics, and control communication. Enhanced Diagnostic Functions: Displays system first-out lockout codes, service instructions, and operational history for simplified troubleshooting. Customizable Display Options: Supports naming of terminals, customized lockout messages, and “Call Service” instructions for improved service coordination. Durable and Compact Design: Features a lightweight, robust enclosure suitable for panel or door mounting in industrial environments. Flexible Compatibility: Works seamlessly with all Honeywell 7800 Series flame relay modules without additional adapters. Low Power Consumption: Efficient operation at only 7 W / 2 VA from a 13 VDC power source. Proven Industrial Reliability: Designed and certified for use in harsh burner environments with a wide temperature range and consistent performance. The S7800A2142 delivers the reliability and precision required for monitoring, configuration, and diagnostics in Honeywell 7800 Series burner management systems.

Brand: Honeywell · Category: HMIs & Displays

Key features

• Comprehensive System Interface: Provides real-time access to burner control data, operating status, and fault annunciation for any 7800 Series system.
• Advanced Programming Capability: Allows configuration of Valve Proving and Postpurge timing through secure password-protected settings.
• Multilingual Display: Offers user-selectable interface in English, Spanish, or French to support diverse operating environments.
• ModBus Communication: Enables network integration for remote monitoring, diagnostics, and control communication.
• Enhanced Diagnostic Functions: Displays system first-out lockout codes, service instructions, and operational history for simplified troubleshooting.
• Customizable Display Options: Supports naming of terminals, customized lockout messages, and “Call Service” instructions for improved service coordination.
• Durable and Compact Design: Features a lightweight, robust enclosure suitable for panel or door mounting in industrial environments.
• Flexible Compatibility: Works seamlessly with all Honeywell 7800 Series flame relay modules without additional adapters.
• Low Power Consumption: Efficient operation at only 7 W / 2 VA from a 13 VDC power source.
• Proven Industrial Reliability: Designed and certified for use in harsh burner environments with a wide temperature range and consistent performance.

Specifications

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