B meters IWM-LR3 User Manual page 15

3.5 SET_REVOLUTION_COUNTERS (0x16)
The command used to set the initial value of the counters. Data fields larger than bytes will be represented in
MSB first.
R2H:
HEADER property
Fct C/R/A
1 byte 1 byte
0x16 0
H2R:
HEADER property
Fct C/R/A
1 byte 1 byte
0x16 0
The Date field is as follows:
Name
Forward counter
Reset Backward
The 31 and 30 bits of the Forward counter field have the following meaning:
0b00 - Counter expressed in Litres (value is allowed only if the setting of the K is 1)
0b01 - Counter expressed in decalitres (value is allowed only if the setting of The K is 10)
0b10 - Counter in hectolitres (the value is allowed only if the setting of the K is 100) 0b11
- Not allowed
The Err field in the answer can take on the following meanings:
0x00 - No Error
0x01 - Out-of-range counter error
0x02 - Device TypeError. The device type is incorrect.
0x03 - Incorrect request, password was not presented 0x04
- Length Error
3.6 GET_REVOLUTION_COUNTERS (0x17)
The command used to read counters. Data fields larger than bytes will be represented in MSB first.
R2H:
HEADER property
Fct C/R/A
1 byte 1 byte
0x17 0
IWM-LR3 - IWM-LR4
Err Chain
1 byte 1 byte
0 0
Err Chain
1 byte 1 byte
0 0
Type Minimal
Uint32_t 0
Uint8_t 0 - Do not reset 1 - Reset counter
Err Chain
1 byte 1 byte
0 0
Date
Device Type
Len
property
1 byte 1 byte
0x06 0x04
Len
1 byte
0x00
Maximum
9.9999.9999
Len
1 byte
0x01
15
Forward Reset
counter Backward
4 bytes 1 byte
Date
Device Type
property
1 byte
0x04
User Manual v1.0