SF910I
Uvisor™ SF910i keeps operations running safely and reliably. Additionally, it provides the possibility to optimize combustion and reduce emissions. Engineered for multi-fuel applications, it combines patented technology of flame physics with advanced diagnostics for unmatched accuracy, safety, and efficiency.
OVERVIEW
ABB Uvisor™ SF910i can help to reduces emissions, optimizes combustion, and ensures uninterrupted performance - all in one intelligent solution.
With SIL2-certified safety, FM approval, and patented Flame Physics™ technology, this industrial flame scanner delivers precise multi-fuel detection and real-time diagnostics for maximum reliability from your combustion monitoring.
KEY BENEFITS
From flexible designs to easy integrations and installations, S800 and S800L distributed I/O systems offer a number of technical and operational benefits.
SIL2-certified safety
Compliant with the required, stringent safety standards for critical combustion processes.Patented Flame Physics™ technology
Delivers unmatched accuracy in multi-fuel flame detection for industrial flame scanners.FM quality and safety approval
Meets global safety certifications for guaranteed reliability and compliance.Real-time diagnostics
Avoid downtime with continuous health monitoring and predictive insights.Optimized combustion control
Improves efficiency and reduces emissions for sustainable, reliable flame scanning.Multi-fuel burner capability
Supports diverse fuel types for enhanced flexibility and operational resilience.Technical specifications
| Property | Value |
| Optical sensor technology | IR versions: Si photodiode Spectral response peak @ 920nm UV versions: SiC photodiode Spectral response peak @ 280nm UVIR version: Si + SiC photodiode1 Spectral response peak @280nm and 920nm |
| Power supply voltage | 24 VDC (-25%, +20% = 18 to 29 VDC) |
| Power supply current | 150 mA typical |
| Power consumption | 3.6 W typical, 4W max |
| Inrush current | 6 A peak, 2 ms settling time |
| Flame Relay | Contacts: 1 NO, for each relay |
| Safe Relay | 240 VAC / 1.5 A cycles 100,000 240 VDC / 100 mA 30 VDC / 300 mA Minimum load 10 mA, 5 VDC |
| FFRT (Flame Failure Response Time) |
0.2 s to 4 s at 0.1 s increments (configurable) 2s default |
| Flame pull-in time delay | 0.2 s to 10 s at 0.1 s increments (configurable) 2 s default |
| Analog output | 4 to 20 mA (R load <= 500) Galvanically isolated Precision: +/-5% f.s. Externally powered |
| Communication port | One RS-485 serial channel configurable in Modbus RTU protocols. Modbus RTU speed: selectable 9600, 19200, 38400 or 115200 baud rate Note: - The serial line(s) cable(s) must not be in the same tray as the relay contact wiring: - The relay contact(s) is (are) wired to a circuit whose voltage is higher than 50 V (AC or DC) |
| Local configuration | 4 push-button (UP, DOWN, LEFT, RIGHT) LCD display |
| Air source for lens cleaning | From clean ambient air |
| Air flow for lens cleaning | LOS (Line Of Sight) versions: 115 l/min (4 SCFM) Excessive contaminants might require a flow up to 400 l/min (14 SCFM) FOC (Fiber Optic Cable) versions: 400 l/min (14 SCFM) |
| Minimum cleaning air pressure | LOS (Line Of Sight) versions: 20 mm H₂O (1” W.C.) above the max wind box pressure measured at the “Y” connection inlet. FOC (Fiber Optic Cable) versions: 300 mm H₂O (12” W.C.) above the max wind box pressure measured |
| Maximum fiber optic continuous operating temperature |
482° C (900° F) for VL and IR fiber optic cables 350° C (662° F) for UV and dual sensor UVIR fiber optic cabl |
| Housing mounting thread | 1” NPT male |
| Cable entry thread | - 3/4 “NPT female tread (Scanner models “T” and “TL”) - 16 contacts quick release connector type CVB-EX. Protection mode: Ex d IIC T6 tD A21 IP66/IP67 T85°C (Scanner models “QC”) - 16 contacts quick release connector. Protection mode: IP66/IP67 (Scanner models “Q”) |
| Electrical connections (terminal versions) |
Removable terminals with screws Allowable cable section: - 0.05-2 mm² for 24 VDC Power and SHIELD (J5 terminal block) - 0.08-1.4 mm² for all other terminal blocks |
| Earth connection | Standard yellow-green earth cable 4 mm2 min section 3 m max length |
| Maximum length of electrical connections (by function) |
Power supply Not specified COMM (MODBUS) Depends on transmission speed and Analog Output (4-20 mA) Not specified Relay contacts Not specified |
| Mounting orientation | Any, provided that the cable entry (or quick-release connector) is facing down |