KSB LevelControl Basic 2, Буклет

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Pump Switchgear / Control Systems
LevelControl Control Units
19
LevelControl Basic 2
4041.5/12-EN
Feature Single-pump station Dual-pump station
DFNO DPNO DLNO (BS housing) DLNO (BC housing) DFNO DPNO DLNO (BS housing) DLNO (BC housing)
Change of switching levels -
✘ ✘ ✘
-
✘ ✘ ✘
Housing H × W × D [mm], IP54
Plastic 400 × 281 × 135 ✘ ✘ - ✘ ✘ ✘ - ✘
Sheet steel 400 × 300 × 155 - -
✘
- - -
✘
-
Built-in components
Master switch (lockable) o o ✘ - o o ✘ -
Manual-0-automatic selector switch per
pump ✘ ✘
DOL starting ✘ ✘
Motor protection
Motor protection switch ✘ ✘
Motor temperature warning input ✘ ✘
Motor temperature alert input
✘ ✘
Pump
Thermal circuit breaker/bimetal ✘ ✘
Motor leakage/moisture monitoring
✘ ✘
Optional components
Rechargeable battery for powering the
device o o
Control cabinet heating for type BS - - o - - - o -
Alarm equipment
1 free alarm input ✘ ✘
1 digital input for high water alert ✘ ✘
Volt-free contact (changeover contact) ✘ ✘
Piezo buzzer 85 dB(A)
✘ ✘
Horn / alarm combination / alarm strobe light
12 V DC o o
Inputs/outputs
Inputs for float switches 4 - - - 4 - - -
4 - 20 mA analog input ✘ - - - ✘ - - -
Pneumatic pressure sensor - ✘ - - - ✘ - -
Bubbler control with compressor - -
✘ ✘
- -
✘ ✘
Remote acknowledgement ✘ ✘
12 V DC connection for horn, etc. ✘ ✘
Sensor accessories
Float switch (NO contact) o - - - o - - -
Redundant high water float switch - o o o - o o o
Open pressure bell - o o o - o o o
Closed pressure bell - o - - - o - -
F1 leakage sensor o o
Tools
KSB ServiceTool for Windows XP o o