Lufft V200A-UMB User Manual

Operating Manual V25/09.2019 Ventus / Ventus-X / V200A
Chapter 20 Appendix 49
20.5.7 Independent Telegram Transmission (VDT)
Description: This command is used to disable/enable independent transmission of the VDT
telegram. Independent transmission can be enabled in full duplex mode only.
Response: <ID>‘TT’<value>(CR)
<ID> Device address (2 decimal places with leading zeros)
<value> 0…disabled
2…enabled
The current setting is delivered as the response if no entry is made for <value>.
Response: <STX>xx.x xxx xxx.x xx*xx <CR><ETX>
<STX> Start of Text (0x02)
xx.x Wind speed in m/s
xxx Wind direction °
xxx.x Air temperature (virt.) in °C signed +/-
xx Status as hex value (s. below)
* Check sum identifier
xx Check sum as hex value
<CR> Carriage Return (0x0D)
<ETX> End of Text (0x03)
Response in case of error
Response: <STX>FF.F FFF FFF.F xx*xx <CR><ETX>
<STX> Start of Text (0x02)
FF.F Wind speed not OK
FFF Wind direction not OK
FFF.F Air temperature (virt.) not OK
xx Status as hex value (s. below)
* Check sum identifier
xx Check sum as hex value
<CR> Carriage Return (0x0D)
<ETX> End of Text (0x03)
Status:
Bit 0: Status wind measurement 0 = OK 1 = not OK
Bit 1: Status temperature measurement 0 = OK 1 = not OK
Bit 2 reserved 0
Bit 3 Heating 0 = off 1 = on
Bit 4 – 7 reserved 0

Lufft V200A-UMB Specifications

General

Brand	Lufft
Model	V200A-UMB
Category	Accessories
Language	English