Spectrex 20/20SI Triple IR (IR3) Flame Detector Bedienungsanleitung PDF herunterladen (Seite 20)

Spectrex Inc. - SharpEye

IR3 Flame Detector Manual – TM 20/20I, Rev. (6) August 2004

4.3.1 Function switch (SW1):

The user can select the desired mode of operation by means of this switch

according to table 6:

Table 6: Function Switch SW1

SW. ON Position OFF Position

1 Alarm latching - enabled Alarm latching – disabled (default)

2 Accessory relay activated at warning

level

Accessory relay activated at

detection level (together with Alarm

relay) -

(default)

3 Automatic & manual BIT (default) Manual BIT only

4 Successful manual BIT activates the

Alarm relay and the 4-20mA output

turns to 15mA for approximately 3

seconds (default)

Successful manual BIT does not

activate the Alarm relay.

5 Successful manual BIT activates the

accessory relay and the 4-20mA

output turns to 10mA for

approximately 3 seconds (default)

Successful manual BIT does not

activate the Accessory relay.

6* Sensitivity range – see table 7 below

(default)

Sensitivity range - see table 7

7* Sensitivity range - see table 7 below Sensitivity range - see table 7

(default)

8 Accessory relay used as End Of

Line.

Accessory relay operates in

accordance with the settings of

SW1(default)

* See Table 7 for sensitivity range setting.

Table 7: Sensitivity range

Sensitivity Range SW1-7 SW1-6

1 (lowest) 50 ft (15m) OFF OFF

2 100 ft (30m) OFF ON

3 150ft (45m) ON OFF

4 (highest) 200ft (60m) ON ON

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 61 62

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