Spectrex 20/20R - Single IR Flame Detector - Manual (Page 27)

Spectrex Inc. - SharpEye TM Single IR Flame Detector Manual – TM 20/20R, Rev. A January2005
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E. Electrical outputs
• Dry Contact Relays:
Table 10: Contact Ratings
Relay
Name Type Normal
position Maximum Ratings
Alarm SPDT N.O. N.C. 2A at 30VDC or 0.5A at 250 VAC
Accessory SPST N.O. 5A at 30VDC or 250 VAC
Fault SPST N.C. 5A at 30VDC or 250 VAC
• 4-20mA Current Output:
Terminals 11 and 12:
FAULT < 2mA (Typical 0)
NORMAL 4 - 6mA ( 5)
WARNING 9 - 11mA (10)
ALARM 14 –16mA (15)
• Communication Network:
The detector is equipped with an RS-485 communication link that can
be used in installations with computerized controllers.
Figure 7: Flame Detector Assembly - Schematic Section