Omega UWBT Series, Руководство пользователя

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If sensor out of range indication is sent to the Smartphone, it has to request the
Device health frame to identify whether the sensor value has really gone out
range or due to sensor open/short condition.
10.3.5 Download Records – 5 Blocks
Download Records string format (PC/Smartphone)
%0 0 504 <Block No><CR>
UWBT device response to Download Records string
Packet
Header
SA DA Command Length Byte 1 Byte 2 Byte
1280
Checksum
0xA5 0x00 0x00 – – – –
Table 10-8. Frame Format Of Download Records – 5 Blocks
In this frame, the length represents 5 pages. Length field 0x05 indicates 5 pages
of data, i.e. 1280 bytes.
10.3.6 Download Records
UWBT Device supports internal logging up to 128 Kbytes. Smartphone/PC can
download the UWBT Device internal logged data using this frame.
Download Records String format (PC/Smartphone)
%0 0 505<Block No><CR>
UWBT device response to Download Records string
Packet
Header
SA DA Command Length Byte 1 Byte 2 Byte
256
Checksum
0xA5 0x00 0x00 – – – –
Table 10-9. Frame Format Of Download Records
In this frame, the length represents page. Length field 0x01 indicates 1 page data,
i.e. 256 bytes.
10.3.7 Restore Factory Default
The Smartphone sends this frame, if the factory settings need to be restored.
Restore Factory Default String Format (PC/Smartphone)
%0 0 506<CR>
UWBT Device Response To Restore Factory Default String
The response to this request is similar to UWBT device response to Read Device
Settings string.
10.3.8 Get MAC Address And Alias Name
This frame is used to read the UWBT device alias name and MAC address.
Get MAC Address And Alias Name String Format (PC)
%0 0 508<CR>
10-14
Communication Protocol
10