SIEMENS火焰控制器LFS1系列技術參數(shù)
Technical data | |
Mains voltage (rated voltage) | For grounded and non-grounded networks |
Mains frequency | 50...60 Hz |
Internal consumption | 5 VA |
Rated surge voltage | Overvoltage category III: |
Basis of calculation for air gaps and creepage distances | Overvoltage category III and degree of contamination 2 for 230 V AC in accordance |
External fuse (optional) | Max. T6.3H250V to IEC 60127-2 |
Internal fuse for terminals 11 / 12 (fuse cannot be replaced) | T1.6L250V to IEC 60127-4 |
External current limitation for terminals 9 /10 | Example: External fuse T1.6A |
Permissible mounting position | Optional |
Weight |
|
Degree of protction | IP40, to be ensured through mounting |
Degree of contamination | Degree of contamination 2 to DIN EN 60730-1 |
Software class | Class C to DIN EN 60730-2-5 |
Detection time in the event of loss of flame | Max. 1 s for LFS1 (including flame detector) |
Voltage output at terminal 7 | DC 0…10 V |
SIEMENS火焰控制器LFS1系列應用介紹
LFS1單元設計為與控制單元LEC1，燃燒器控制LME39.xxxRP或可編程邏輯控制器結(jié)合使用，以監(jiān)控燃油和燃氣燃燒器。
典型的應用領域包括從工業(yè)燃燒器到最高安全等級SIL3，以及在船舶燃燒器領域。
火焰監(jiān)控：
-如果是LFS1.1（在油上點火），則應使用經(jīng)認可可連續(xù)運行的光電探測器RAR9進行。
-如果使用LFS1.2（燃氣點火），則可使用經(jīng)批準可連續(xù)運行的電離探針或間歇性運行的UV火焰探測器QRA2 / QRA2M / QRA4 / QRA4M / QRA10 / QRA10M進行
LFS1 units are designed for the supervision of oil burners and gas burners in combination with control unit LEC1, burner control LME39.xxxRP, or with programmable logic controllers.
Typical fields of application range from industrial burners up to the highest security level SIL3 and in the field of ship burners.
Flame supervision:
- Takes place with photocell detector RAR9 with approval for continuous operation, in the case of LFS1.1 (firing on oil).
- Takes place with an ionization probe with approval for continuous operation or with UV flame detector QRA2 / QRA2M / QRA4 / QRA4M / QRA10 / QRA10M in intermittent operation, in the case of LFS1.2 (firing on gas)
SIEMENS火焰控制器LFS系列其他常用型號：
SIEMENS LFS1.11A1
SIEMENS LFS1.11A2
SIEMENS LFS1.21A1
SIEMENS LFS1.21A2
SIEMENS Flame safeguard NEW + ORIGINAL+ ONE YEAR WARRANTY
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如果有任何關于SIEMENS火焰控制器LFS1.21A2的疑問，請隨時與我們溝通（021-31006702）。我們將盡全力解決您的問題。
If you have any question for SIEMENS products, please feel free to dial 0086-21-3100 6702/ send request email to sales@ize-industries.com / browse our website: www.jjxdch.cn.
SIEMENS火焰控制器LFS系列LFS1.21A2產(chǎn)品介紹
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