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Operation, Technical specifications – Spectrex 20/20F - Fast UV/IR Flame Detector User Manual

Page 16

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Spectrex Inc. - SharpEye

TM

UV/IR (F) Flame Detector Manual – TM756100 Rev A, July 2005

10

4. Operation

4.1 Visual Indications

One Red LED is located in the detector’s front window. In Alarm condition, the
LED is continuously ‘on’.

4.2 Output Signals

The detector includes the following control outputs:

• Alarm Relay

• Fault Relay

• Voltage Level Output

5. Technical Specifications

5.1 Electrical Specifications

a. Operating Voltage

: 18-32 VDC


b. Power Consumption

:

Max. 70mA - Stand-by
Max. 130mA - Alarm


c. Electric input protection

:

The input circuit is protected against voltage reversed polarity voltage transients,
surges and spikes according to MIL-STD-1275A.

d. Electrical Interface:

Terminals

Function

1

POWER SUPPLY IN (+)

2 RTN
3 OUTPUT

SIGNAL

4 ALARM

RELAY

(NO)

5 ALARM

RELAY

(C)

6

FAULT RELAY (NO)

7

FAULT RELAY (C)


The FAULT relay will be normally energized closed normal operation of the
detector. The contact will be open at FAULT condition or low voltage.