User Manual

Chengdu Ebyte Electronic Technology Co., Ltd. E108-D01 User Manual
Copyright ©2012–2022, Chengdu Ebyte Electronic Technology Co., Ltd.
14
3640.46260 should be
36.67438 degree
8
a
Longitude
direction
E/W
E-East longitude，
W-West longitude
9
xxx.xx-xxx.xx
Speed over
ground
Knot
123.2
Ground speed, unit
Kn, range 000.00 to
999.99 knots, zero if
the leading digit is
insufficient
10
xxx.xx-xxx.xx
Course over
ground
degree
000.0～359.9
Ground heading
(000.00~359.99
degrees, with true
north as the
reference), zero if the
leading digit is
insufficient
11
xxxxxx
date
DDMMYY
190422
Apr.19, 2022
13
*
statement
terminator
14
24
checksum
XOR the data between '$' and '*' (excluding these two
characters) by byte, expressed as a hexadecimal value
5.3 Write Holding Register Instructions
5.3.1 Modify device address (broadcast)
【Note】This command is a general read command of the address. When using the broadcast command, to avoid
conflicts with other devices in the system, please ensure that only the device to be read is connected to the bus when
reading.
Command frame: 00 06 00 02 00 01 E8 1B
Address
Function code
Register start address
Number of
registers
CRC check
0x00
0x06
0x00 0x02
0x00 0x01
0xE8 0x1B
Response frame: 00 06 00 02 00 01 E8 1B
Address
Function code
Register start address
Number of
registers
CRC check
0x01
0x06
0x00 0x02
0x00 0x01
0xE8 0x1B
Note:
This command is used to set the device address, use 0x00 as the broadcast address, and modify the device address to
0x01.