Lufft WS501-UMB User Manual

Operating Instructions Compact Weather Station
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 91
Reg.
No.
Reg.
Addr
Function
Values
Scale
1
0
Local Altitude
Altitude in m, for calculation of relative air
pressure
Value range -100 … 5000
1.0
2
1
Deviation
Local deviation for the correction of compass
heading.
Value range -3599 … 3599
(equalling -359.9° … +359.9°)
10.0
3
2
Averaging
Intervall
TFF
Intervall for averaging and min/max evaluation
in minutes
Value range 1 … 10
1.0
4
3
Averaging
Intervall
Air Pressure
Intervall for averaging and min/max evaluation
in minutes
Value range 1 … 10
1.0
5
4
Averaging
Intervall
Wind
Intervall for averaging and min/max evaluation
in minutes
Value range 1 … 10
1.0
6
5
Averaging
Intervall
Global Radiation
Intervall for averaging and min/max evaluation
in minutes
Value range 1 … 10
1.0
7
6
Heating Mode
High-Byte: Heating Mode Wind
Low-Byte Heating Mode R2S
Value range of each byte 0 … 3
(Details s. 10.4)
8
7
Reset abs. Rain
(Function only when writing to the register,
reading will give 0 always)
9
8
Station reset
(Function only when writing to the register,
reading will give 0 always)
18.7.2.2 Function 0x06 Write Holding Register, 0x16 Write Multiple Registers
By writing into the holding registers selected parameters of the WSxxx can be adjusted
through Modbus.
Register assignment see18.7.2.1
The transmitted values will be checked for plausibility. Illegal values will not be accepted and
cause a modbus exception.
When writing the value 0x3247 (12871d) to register 6 the stored absolute rain amount will be
set to 0. Subsequently a station reset will be initiated.
When writing the value 0x3247 (12871d) to register 7 a station reset will be initiated.

Lufft WS501-UMB Specifications

General

Brand	Lufft
Model	WS501-UMB
Category	Weather Station
Language	English