Technical data
3-1
3 Technical data
3.1 General characteristic features
• Self-control to verify flawless function of the device in keep-
ing with European standards EN 230, EN 298 and TRD
411 to 414.
• Two externally selectable sensitivity and time levels
• Fully electronic construction
• Tested by the German Technical Inspection Association TÜV
• Approved of by DIN DVGW and DIN CERTCO
• Suitable for safety related applications up to SIL 3 (according to IEC 61508)
3.2 Electrical system, mechanical system, function
two switch-OFF time adjustable in six steps (1 to 6 seconds)
two sensitivity ranges adjustable in 99 steps
switch-ON treshold adjustable in 64 steps (25 to 75 %)
switch-OFF treshold < 25%
flame relay two changeover contacts (1 changeover contact
potential-free internal 1 amp fuse)
flame intensity display 0 to 100 % by bar graph
flame intensity output 0 (4) to 20 mA (Ra < 360 ohm)
flame evaluation display 000 – 999 LED-seven segment
impulse dividing ratio 1:1 , 1:2 , 1:4
switching treshold - pre-alarm warning 50%
pre-alarm warning + 24 V DC, 100 mA short-circuit-proof
time level selection II + 24 V DC, 40 mA
quantisation changeover jumpers
active-ON time II + 15 V DC, 10 mA
status indicators
time level I or II ON green LED
pre-alarm warning ON yellow LED
evaluation and
monitor channel. ON yellow LED
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