Download Print this page

Siemens LFS1 Series Manual page 20

Flame safeguard

Advertisement

Technical data (continued)
Flame supervision with ionization probe
Values apply to factory setting of parameters 182 = 0
Detector voltage between ionization probe and ground
(AC voltmeter Ri "10 Mς)
Switching threshold (limit values):
Switching on (flame ON) (DC ammeter Ri '5 kς)
Switching off (flame OFF) (DC ammeter Ri '5 kς)
Detector current required for reliable operation
Switching threshold in the event of poor flame during operation
(LED flashes green)
Possible detector current with flame (typical)
Flame supervision with UV flame detector QRA2 / QRA2M /
QRA4 / QRA4M / QRA10 / QRA10M
Values apply to factory setting of parameters 182 = 0
Detector voltage at QRA2 / QRA2M / QRA4 / QRA4M / QRA10 /
QRA10M (with no load)
Terminal 6 OFF (test mode)
Terminal 6 ON (operating mode)
Switching threshold (limit values):
Switching on (flame ON)
Switching off (flame OFF)
Detector current required for reliable operation
Switching threshold in the event of poor flame during operation
(LED flashes green)
Possible detector current with flame (typical):
Test mode
Operating mode
Flame supervision with photocell detector RAR9
Values apply to factory setting of parameters 182 = 0
Switching threshold (limit values):
- Switching on (flame ON)
- Switching off (flame OFF)
Detector current required for reliable operation
Switching threshold in the event of poor flame during operation
(LED flashes green)
Possible detector current with flame (typical)
Possible detector current in the event of glare, e.g., with artificial
light (leads to lockout with error message LOC10)
20/40
Building Technologies
44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวี ว ั ฒ นา กทม. 10170.
website:
Line ID: @add11 Wechat ID: add0883001122
The detector current values specified in the table only apply to the factory settings and under the
following conditions:
- Mains voltage 120 V AC / 60 Hz or 230 V AC / 50 Hz, depending on type
- Ambient temperature 23 ° C
- Parameter 182 in accordance with the factory setting from the following table
https://www.add-furnace.com/
At mains voltage
120 V AC
Approx. 270 V AC
"DC 1.5 µA
'DC 0.5 µA
"DC 3 µA
Approx. DC 2 µA
20 µA DC
At mains voltage
120 V AC
Approx. 290 V AC
Approx. 250 V AC
"20 µA DC
'5 µA DC
"24 µA DC
Approx. 24 µA DC
700 µA
550 µA
At mains voltage
120 V AC
"6.5 µA DC
'3.5 µA DC
"10 µA DC
Approx. 10 µA DC
65 µA DC
70 µA DC
CC1N7782en 18.04.2018
โทร: 02-888-3472
230 V AC
Approx. 270 V AC
"DC 1.5 µA
'DC 0.5 µA
"DC 3 µA
Approx. DC 2 µA
20 µA DC
230 V AC
Approx. 290 V AC
Approx. 250 V AC
"20 µA DC
'5 µA DC
"24 µA DC
Approx. 24 µA DC
700 µA
550 µA
230 V AC
"6.5 µA DC
'3.5 µA DC
"10 µA DC
Approx. 10 µA DC
65 µA DC
70 µA DC

Advertisement

loading