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BMD 1E_ _-_ _ _ _/_ _ _-NJ5...
Microwave Position Sensor
5
Configuration (continued)
5.7
Writing the free field – PGN 0x01EF00
The PGN 0x01EF00 (126720
field with a length of 75 bytes. Output of the field is done
using the PGN 0x01FF01 (see section 4.4 on page 16).
All bytes in the field until reaching a byte with the value
0x00 (0
) or all 75 bytes are output.
10
The value is not written to non-volatile memory until after a
save command using PGN 0x00B500 (46336
section 5.5 on page 20).
Specification of the PGN 0x01EF00 (126720
Length of data
Data page
PDU format
PDU Specific
Standard priority
PGN
Source address
Data field
Bytes 1...75
Tab. 5-9:
Structure of the PGN 0x01EF00 – Writing the free field
When writing more than 8 bytes, sending must
be done using Multi-packet Peer-to-Peer (see
section 2.2.2 on page 7).
If more than 75 bytes are written, the data are
rejected and a NACK (see section 2.4 on
page 9) is sent.
22
english
) can be used to write a free
10
) (see
10
)
10
Variable
0x01 (1
)
10
0xEF (239
)
10
BA
0x06 (6
)
10
0x01EF00 (126720
)
10
MA
User-defined data
Example:
Writing less than 8 bytes
ID
RX/TX
0x19EF'BA''MA'
1)
Data
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
0x5A
0x79
0x6C
0x69
'Z'
'y'
'l'
'i'
BA = Address of the BMD, MA = Address of the master
1)
⇒ Writes the string "Zylin.2" to the free field.
DLC
TX
8
0x6E
0x2E
0x32
0x00
'n'
'.'
'2'
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