D9S001ES1-0101
17
Parameter Value
Device class II
Transport and storage The system must be disconnected from all power supplies and batteries
Basic dimensions (length x width x height)
Scale module 315,7 x 125 x 74 mm
Display module
Battery module 156 x 125 x 74 mm
Weight
Scale module 0,2kg
Display module 0,2kg
Battery module 0,2kg
Number of inputs for tensometers 4
Power supply type AC/DC switching adapter
Batteries 4x primary batteries of size „AA“
The power supply circuit of the mains adapter is protected by a resettable fuse located on the PCB in the scale module. The
power adapter itself is then equipped with reversible protection against short circuit and overheating.
3.5.1 Battery module
It provides power for the entire LW 20 scale system. It serves as a merging node for power supply from the mains adapter and
power supply from batteries (4x alkaline battery LR6 (AA) 1.5V).
It also contains a connector for data connection to the scale system for service or production purposes.
Connector for data connection
to the scale system
Obr. 21 Battery module
WARNING
The recommended battery replacement time is 2 years. After a maximum of 5 years, the battery must be replaced regardless
of the circumstances of use. Continued use may damage the battery.
If thermal deformation of the battery module, scale module and cabling is detected, the first step is to disconnect the mains
adapter, remove the batteries and shut down the LW 20.
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