23
4.17 TOU Registers Allocation
Table 4-45 Read Request
Message type (ASCII)
‘P’
Message body (hexadecimal)
Request
Field Offset Length Parameter Range
1 0 2 TOU system register ID 0-10 (see Table 4-47)
Response
Field Offset Length Parameter Range
1 0 2 TOU system register ID 0-10 (see Table 4-47)
2 2 2 Register input ID see Tables 4-48, 4-49
3 4 4 For a pulse input = number of unit-hours
per pulse, otherwise - permanently set to
0.
0-9999
Table 4-46 Write Request
Message type (ASCII)
‘p’
Message body (hexadecimal)
Request/Response
Field Offset Length Parameter Range
1 0 2 TOU system register ID 0-10 (see Table 4-47)
2 2 2 Register input ID see Tables 4-48, 4-49
3 4 4 For a pulse input = number of unit-hours
per pulse, otherwise - set to 0.
0-9999
Table 4-47 TOU System Registers Identifiers
Register ID Description
0 TOU energy register #1
1 TOU energy register #2
2 TOU energy register #3
3 TOU energy register #4
4 TOU energy register #5
5 TOU energy register #6
6 TOU energy register #7
7 TOU energy register #8
8 TOU maximum demand register #1
9 TOU maximum demand register #2
10 TOU maximum demand register #3
Table 4-48 TOU Energy Registers Inputs
Register input Input ID
None 0
kWh import 1
kWh export 2
N/A
1
3
N/A
1
4
kvarh import 5
kvarh export 6
N/A
1
7
N/A
1
8
kVAh total 9
Pulse input #1 10
Pulse input #2 11
1
Specifying this input will be accepted as NONE. No error will occur.