Lufft V200A-UMB User Manual

Operating Manual V25/09.2019 Ventus / Ventus-X / V200A
Chapter 20 Appendix 42
20.3.5 Status and Error Codes in Binary Protocol
If a measurement request delivers the <status> 00h, the sensor is working correctly. You can
find a complete list of additional codes in the description of the UMB protocol.
Extract from list:
<status>
Description
00h (0d)
Command successful; no error; all o.k.
10h (16d)
Unknown command; not supported by this device
11h (17d)
Invalid parameter
24h (36d)
Invalid channel
28h (40d)
Device not ready; e.g. initialization / calibration running
50h (80d)
Measurement variable (+offset) is outside the set display range
51h (81d)
52h (82d)
Measurement value (physical) is outside the measuring range (e.g. ADC over range)
53h (83d)
54h (84d)
Error in measurement data or no valid data available
55h (85d)
Device /sensor unable to carry out valid measurements due to ambient conditions
20.3.6 CRC Calculation
CRC is calculated according to the following rules:
Norm: CRC-CCITT
Polynomial: 1021h = x16 + x12 + x5 + 1 (LSB first mode)
Start value: FFFFh
You can find further information in the description of a CRC calculation in UMB Protocol.

Lufft V200A-UMB Specifications

General

Brand	Lufft
Model	V200A-UMB
Category	Accessories
Language	English