Users Manual

Operating Instructions Smart Weather Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 163
Format of configuration commands:
Byte
Value
Description
0-3
<Add>
Device Address Hex, e.g. 7001 for WSx-UMB with device ID 1
4
:
3A Hex
5-6
<Nr>
Request No. Hex, may be used for identification of the response
7
:
3A Hex
8-10
<xxx>
Command Code
11
=
3D Hex (for setting of parameters only)
12-…
<Value>
Value of Parameter (for setting of parameters only)
<CR>
0D Hex
<LF>
0A Hex
Format of response
Byte
Value
Description
0
<STX>
02 Hex
1-4
<Add>
Device Adress Hex, e.g. 7001 for WSx-UMB with device ID 1
5
:
3A Hex
6-7
<Nr>
Request number hex, always 00 for auto transmission
8
:
3A Hex
9-10
<xxx>
Command Code
11
=
3D Hex
12-…
<Value>
Value of Parameter
:
3A Hex
<Status>
Command Status, Hex
:
3A Hex
<CheckSum>
Checksum, Hex
<CR>
0D Hex
<LF>
0A Hex
<EOT>
04 Hex
Example: Request of averaging interval time from device with ID 1
7001:00:TMI<CR><LF>
Response:
<STX>7001:00:TMI=10:00:<CheckSum><CR><LF><EOT>
Example: Setting of averaging interval time to 5sec
7001:00:TMI=5<CR><LF>
Response:
<STX>7001:00:TMI=5:00:<CheckSum><CR><LF><EOT>