Up to 99 burner systems connected via Modbus can be monitored with the S7999B. Each burner control, fuel/air ratio control, expanded annunciator other Modbus devices present on the burner system can be viewed individually to determine its status.
• Color 3.5 in. x 4.6 in. touch screen user interface • Flush mounting • Allows setup and monitoring of R7999 controlinks • Two RS485 communication ports • Screen saver, contrast control and volume control • Modbus communication allows monitoring up to 99 different controls
Item S7999B1000 Electrical ratings
+12 Vdc input, maximum of 500 mA current drain
Not all products are available in all areas. Descriptions
S7999B System Display for R7999 ControLinks Confi guration and System (7800 Series, EA and certain UDC Devices) Monitoring
used With R7999
ControLinks Fuel Air Control Wiring Subbase Model Q7999A
Provides terminals for fi eld wiring for the R7999A ControLinks®
Fuel Air Controller. Terminals on the
R7999A,B Controller engage the Q7999 contacts to make electrical connections. The Q7999A subbase is panel- mounted.
• Quick-mount wiring subbase for R7999A,B Fuel Air Ratio Controllers.
• Allows wiring of control system before installation of controller.
• Panel-mounted. • NEMA 1 enclosure.
Electrical ratings 100 to 120 Vac
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Frequency 50/60 Hz
Descriptions Fuel Air Ratio Controller Wiring Subbase