10 Sensor signal outputs
In the response message that the device returns to the master:
• Function code: 03
• Byte order (32-bit data): MID-LITTLE-ENDIAN.
Remarks: To properly decode the 4-byte float and unsigned
integer data in the response message, the master must change the
byte order from MID-LITTLE-ENDIAN to the order that it is using
(LITTLE-ENDIAN or BIG-ENDIAN).
Byte sequencing of byte orders:
Byte order Byte sequencing (HEX) Example
MID-LITTLE-ENDIAN
(Read from the device)
A B C D 0x 0A 11 42 C5
LITTLE-ENDIAN B A D C 0x 11 0A C5 42
BIG-ENDIAN C D A B 0x 42 C5 0A 11
10.4 M-Bus output
Value register:
M-Bus Addr. Description Data bytes
1 Total consumption 4-byte
2 Flow 4-byte
3 M-Bus status 4-byte
Communication parameters:
Primary Address : 1
Secondary Address : 8-digit serial number of the sensor
Manufacturer Code : 0x15C4
M-Bus version : 1
Baud rate : 2400
Response delay (ms) : 7
Response timeout (ms) : 100
Receive timeout (ms) : 500
To Next Page
Loading...
