Yokogawa Standalone MW100 - Manual (Page 39)

39
4.3. Example of Extracting Measured Data
This shows how to count bit numbers in the MX118.
With Big Endian, from the start of the data field, starting with the msb of the MSB, bit numbers decrease
in units of bytes or bits from left to right.
The first bit number of the data field is always 63.
For Llittle Endian, from the start of the data field, starting with the msb of the LSB, bit numbers increase
in units of bits from right to left, and in units of bytes from left to right.
The first bit number of the data field is always 7.
Data Field Length = 1 Byte
For Big Endian: Available start bit position settings: 56–(64-Bit Length)
For Little Endian: Available start bit position settings: 0–(8-Bit Length)
Data Field Length = 2 Bytes
For Big Endian: Available start bit position settings: 48–(64-Bit Length)
For Little Endian: Available start bit position settings: 0–(16-Bit Length)
Data Field Length = 4 Bytes
For Big Endian: Available start bit position settings: 32–(64-Bit Length)
For Little Endian: Available start bit position settings: 0–(32-Bit Length)
bit
lsb
63・・・・・・56
Byte 7
55・・・・・・48
Byte 6
47・・・・・・40
Byte 5
39・・・・・・32
Byte 4
bit 23・・・・・・16
Byte 2
lsb
7・・・・・・0
Byte 0
31・・・・・・24
Byte 3
15・・・・・・8
Byte 1
bit
lsb
63・・・・・・56
Byte 7
bit
lsb
63・・・・・・56
Byte 7
55・・・・・・48
Byte 6
bit
lsb
7・・・・・・0
Byte 0
15・・・・・・8
Byte 1
bit
lsb
7・・・・・・0
Byte 0