ABB SF810-LOS-IR-TL-C-W Migration-Ready Flame Scanner

Overview

ABB SF810-LOS-IR-TL-C-W Migration-Ready Flame Scanner for Legacy Control Systems

The ABB SF810-LOS-IR-TL-C-W is a migration-ready infrared flame scanner engineered for direct replacement within the SF810 Series burner management and combustion control ecosystem. As legacy flame detection systems approach end-of-life or face discontinued spare part availability, the SF810-LOS-IR-TL-C-W provides a validated drop-in upgrade path that preserves existing wiring infrastructure, signal conditioning circuits, and burner management logic without requiring full system redesign. This unit is pre-shipment tested, stocked for immediate global dispatch, and backed by a support terms confirmed by quotation — making it a reliable choice for emergency replacement, planned maintenance, and phased control system modernization projects.

Engineers undertaking a retrofit or replacement of the SF810-LOS-IR-TL-C-W must verify several critical parameters before commissioning. Power supply compatibility — typically 24 VDC or 115/230 VAC depending on variant suffix — must be confirmed against the existing burner management controller’s output capacity. Terminal wiring assignments, including flame signal output, self-check relay contacts, and shield grounding, should be mapped against the original installation drawings to prevent signal inversion or ground loop issues. Where the SF810 Series scanner interfaces with a Honeywell FSC Safety Controller or an ABB AC800M DCS via hardwired I/O, the signal range (4–20 mA or discrete relay) must match the receiving module’s input specification. Firmware version compatibility between the scanner and any connected flame amplifier or relay module should also be confirmed prior to energizing the replacement unit.

In control cabinet upgrade scenarios where the SF810-LOS-IR-TL-C-W is being integrated alongside modernized burner management hardware, installation space and mounting orientation are key considerations. The SF810 Series uses a standardized flange and sighting tube assembly, but adapter rings may be required when replacing older-generation scanners from discontinued product lines. Technicians should also confirm that the optical path length, lens type (LOS = Line-of-Sight), and spectral response (IR = Infrared) remain appropriate for the specific flame type and furnace geometry in the application.

For sites operating mixed-generation control architectures — for example, where an ABB Advant OCS or Bailey INFI 90 DCS is being partially migrated to an AC800M platform — the SF810-LOS-IR-TL-C-W can serve as a stable, protocol-neutral detection element while upstream communication and I/O infrastructure is upgraded in phases. This approach minimizes downtime exposure and allows the flame detection layer to remain operational during broader control system migration activities. Paired with an ABB PFSK151 or PFSK152 communication interface module, the scanner’s output can be routed into modernized I/O racks without disrupting the existing burner sequencing logic.

Migration Compatibility Table

Retrofit Planning for Existing Automation Systems

A successful SF810-LOS-IR-TL-C-W retrofit begins with a thorough audit of the existing burner management system architecture. In installations where the flame scanner interfaces with an ABB Freelance DCS or a Siemens S7-300 PLC-based safety system, the discrete input module receiving the scanner’s relay output must be confirmed as compatible with the contact rating and response time of the SF810 Series self-check relay. Where analog 4–20 mA outputs are used, the receiving AI module — such as an ABB AI810 or equivalent — must be configured for the correct input range and fail-safe behavior.

Power distribution within the control cabinet should be reviewed to ensure that the scanner’s supply circuit is isolated from high-frequency switching loads that could introduce noise into the flame signal. A dedicated 24 VDC rail with appropriate filtering is recommended. Terminal block assignments should be documented and labeled before disconnecting the legacy scanner to prevent wiring errors during the replacement procedure.

In multi-burner installations, where several SF810-LOS-IR-TL-C-W units are installed in parallel across a common BMS rack, the replacement sequence should be planned to maintain at least partial flame supervision coverage during the migration window. Coordination with the site’s safety instrumented system (SIS) team is essential to ensure that the BMS remains in a safe state throughout the replacement process. Where the BMS includes an ABB PFSK110 or PFSK130 processor module, the scanner replacement can typically be performed without modifying the existing application program, provided the I/O address mapping remains unchanged.

HMI screens displaying flame status, scanner health, and self-check results should be reviewed after replacement to confirm that signal scaling and alarm setpoints remain valid. In systems using ABB Operate IT or a third-party SCADA platform, the flame signal tag should be verified against the new scanner’s output range before returning the burner to service.

Downtime Control During System Migration

Minimizing unplanned downtime during an SF810-LOS-IR-TL-C-W replacement requires a structured pre-outage preparation process. Before the scheduled maintenance window, the replacement unit should be bench-tested against a known flame source to verify detection sensitivity and self-check relay operation. All terminal wiring documentation should be prepared in advance, and a rollback plan — including retention of the legacy scanner in serviceable condition — should be in place in case commissioning issues arise.

During the replacement, the burner management system should be placed in a controlled shutdown state with all safety interlocks confirmed active. The replacement scanner should be installed, wired, and powered before any attempt to restart the burner sequence. Flame signal verification should be performed in BMS test mode, with the self-check relay confirmed operational before the system is returned to automatic control.

For sites with tight production schedules, pre-commissioning the SF810-LOS-IR-TL-C-W on a spare sighting tube assembly — if available — can reduce in-situ commissioning time to under 30 minutes. Stocking a verified spare unit on-site further reduces exposure to lead time risk in the event of an unplanned scanner failure. Our global dispatch capability ensures that replacement units can be shipped within 24–48 hours of order confirmation, supporting both planned maintenance and emergency recovery scenarios.

Retrofit Support FAQ

Q: Is the SF810-LOS-IR-TL-C-W a direct drop-in replacement for earlier SF810 Series scanners?
A: In most cases, yes. The SF810-LOS-IR-TL-C-W shares the same mounting flange, terminal layout, and signal interface as standard SF810 Series units. Minor wiring verification is recommended, particularly for self-check relay polarity and power supply voltage, before energizing the replacement unit.

Q: Can this scanner be used with non-ABB burner management systems?
A: Yes. The SF810-LOS-IR-TL-C-W uses hardwired relay and analog outputs that are compatible with most third-party BMS platforms, including Honeywell, Siemens, and Yokogawa systems. Signal range and contact rating should be verified against the receiving controller’s input specification.

Q: What pre-shipment testing is performed on each unit?
A: Each SF810-LOS-IR-TL-C-W is functionally tested prior to dispatch, including flame detection response, self-check relay operation, and output signal verification. Units are shipped with test documentation and are covered by a support terms confirmed by quotation from the date of dispatch.

Q: What is the typical lead time and stock availability?
A: We maintain multi-region stock of the SF810-LOS-IR-TL-C-W to support both planned maintenance and emergency replacement requirements. Standard dispatch is within 24–48 hours of order confirmation. Contact our team for real-time stock confirmation and expedited shipping options.

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ABB
ABB

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SF810-LOS-IR-TL-C-W

Product Family

PLCs & Controllers

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Available on request after model and quantity confirmation

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B2B RFQ, replacement inquiry and project spare-part request

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PLC, PAC and modular controllers

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CPU, rack, power and I/O expansion

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Replacement, cabinet build and maintenance

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