Spectrex 40/40M Multi IR Flame Detector - Manual (Page 18)

Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide
6 Principles of Operation
1.4.4 RS-485 Modbus
For more advanced communications, the 40/40M detector has an RS 485
Modbus-compatible output that provides data communication from a
network (up to 247 detectors) to a host computer or universal controller for
central monitoring. This feature allows for reduced installation costs, easy
maintenance and local or remote diagnostic tools.
1.4.5 Product Certification
The 40/40M Flame Detectors have the following certifications:
 ATEX, IECEx, page 6
 FM, CSA, page 6
 SIL-2 Approved (TÜV), page 6
 EN54-10, page 7
1.4.5.1 ATEX, IECEx
The 40/40M Flame Detector is certified to:
 ATEX Ex II 2 GD per SIRA 07ATEX1250 and IECEx SIR. 07.0085.
 Ex de IIC T5 Ta -55°C to +75°C
Ex tD A21 IP66/X7 T95°C
 Ex de IIC T4 Ta -55°C to +85°C
Ex tD A21 IP66/X7 T105°C
This product is suitable to use in hazardous zones 1 and 2 with IIC gas
group vapors present.
1.4.5.2 FM, CSA
The 40/40M Flame Detector is certified to FM and CSA Explosion Proof and
Functionality per FM3260:
 Class I, Division 1, Groups B, C and D, T5 Ta = 85°C.
 Dust Ignition Proof – Class II/III Division 1, Groups E, F and G.
 Ingress Protection – IP67, IP66, NEMA 250 Type 6P.
 For more details see FM Report Project ID3029553 and CSA Report No.
2451134..
1.4.5.3 SIL-2 Approved (TÜV)
The 40/40M 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.