Modbus Protocol
Strona
6
z
10
1 – on
2 – toggle
Led ALARM – LCD panel 3126: 13…12 2-bit
0 – off
1 – on
2 – toggle
Technical output EPS 3126: 14 1-bit
0 – off
1 – on
Technical output ALARM 3126: 15 1-bit
0 – off
1 – on
3127 Configuration bits Lock bit 3127: 3 1-bit
0 – off
1 – on
3128
Rated charging
current
3128: 15…0 uint16_t
0 – 0.4A
1 – 0.8A
2 – 1.2A
3 – 1.8A
4 – 2.6A
3129-3134 Date and time
Year 3129: 15…0 uint16_t
Range: 2015 –
2084
Month 3130: 15…0 uint16_t Range: 1 – 12
Day 3131: 15…0 uint16_t Range: 1 – 31
Hour 3132: 15…0 uint16_t Range: 0 – 23
Minute 3133: 15…0 uint16_t Range: 0 – 59
Second 3134: 15…0 uint16_t Range: 0 – 59
3135
Event log – records
count
3135: 15…0 uint16_t
3136
Parameter chart –
records count
3136: 15…0 uint16_t
3137
Battery temperature
chart – records count
3137: 15…0 uint16_t
3.2 User defined function codes - Service (0x41)
The function is used in order to execute service commands.
A command code is sent in the request.
A command status is sent in the response.
Request:
Function code
1 Byte 0x41
Data
1 Byte 0x80 – Start the test
Response:
Function code
1 Byte 0x41
Data
1 Byte 0x80 – The test is started
0xFF – The test is forbidden
Errors:
Function code
1 Byte 0xC1
Exception code
1 Byte 03 lub 04