beautypg.com

3 sil-2 approved, 4 en54-10, 5 performance considerations – Spectrex 40/40I Triple IR (IR3) Flame Detector User Manual

Page 19: 1 detection sensitivity, 1 standard fire, Performance considerations, Detection sensitivity, Sil-2 approved, En54-10

background image

TM 40/40I, Rev (6) July 2013

Performance Considerations

7

For more details see FM Report Project ID3029553, and CSA Report no.

2451134.

1.4.5.3 SIL-2 Approved

The 40/40I Flame Detector is certified to SIL-2 requirement per IEC
61508.4, Chapter 3.5.12.

The alert condition according to SIL-2 can be implemented by:

Alert signal via 0-20mA current loop.

or

Alert signal via alarm relay and fault relay.

For more details and guidelines for configuring, installing, operating and

service – see SIL-2 Features on page 65 and TÜV Report No.
968/EZ348.00/009.

1.4.5.4 EN54-10

The 40/40I Flame Detector is certified to EN54-10 and CPD.

The detector has been tested and approved per EN54-10 by VdS.

This test includes functional test, environmental test, EMI/EMC test and

software check.

For more details see VdS Report No. BMA 12118.

1.5

Performance Considerations

This section describes performance aspects of the 40/40I and includes:

Detection Sensitivity, page 7

Cone of Vision, page 10

False Alarms Prevention, page 11

Visual Indicators, page 12

Output Signals, page 13

Detector Status, page 14

Auxiliary Relay as End-of-Line Resistor, page 15

1.5.1 Detection Sensitivity

Detection sensitivity is the maximum distance at which the detector reliably
detects a specific size of fire and typical type of fuel (standard fire).

1.5.1.1 Standard Fire

Defined as a 1ft

2

/ 0.1m

2

n-heptane pan fire, with maximum wind speed of

6.5 ft./sec (2 m/sec).