Siemens LMS14

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Building Technologies Division User Manual LMS14… CC1U7471en
8 Technical data 28.01.2015
8.1.9 BSB users
BSB terminals (X7/X30/X50)
- Operator unit AVS37…
- Room unit QAA55.../QAA75…
- Connection 2- or 3-wire
- Cable length Max. 200 m at 1.5 mm² cross-sectional
area of cable
- Cable resistance Max. 3 x 14 
- Cross-sectional area of cable Min. 0.5 mm²
- Users Max. 5 (1 operator unit, 3 room units,
1 service unit)
8.1.10 Outputs for LED flame and LED fault (X30)
Outputs for connecting status LEDs (see drawing in section titled Assignment of
terminal X30)
- Voltage DC 12 V
- Current DC 2...10 mA (limit with Rv)
- Cable length <3 m
8.1.11 Cross-sectional area sensors
Cross-sectional area Maximum length
0.25 mm² 20 m
0.5 mm² 40 m
1 mm² 80 m
1.5 mm² 120 m