Spectrex 40/40R - Single IR Flame Detector - Manual (Page 75)

TM 40/40R, Rev (4) November 2010
40/40R Optical Flame Detector 63
E.1.2.4 Other
1 The complete function of the flame detector (flame detection, function of
the 0-20mA interface, the relays) must be examined at least every six or
twelve months (see The SharpEye 40/40RSafety Relevant Parameters on
page 61, when the flame detector must be switched OFF and ON.
2 The window of the sensor must be examined at appropriate time
intervals for partial contamination.
3 The HART and the RS 485/IrDA interfaces must not be used for the
transmission of the safety-related data.