5
Meter Value 3 = 0x38(KWh)
Meter Value 4 = 0xA3(KWh)
Accumulated power consumption (KW/h) = (Meter Value 2*65536) + (Meter
Value 3*256) + (Meter Value 4) = 800.35 (KW/h)
2-2-3 Clearing accumulated power consumption
Meter Reset Command: [Command Class Meter, Meter Reset]
2-2-4 AC load Voltage (V)
When receiving Meter Get Command, it will report Meter Report Command to the
node.
Meter Get Command: [Command Class Meter, Meter Get, Scale =0x04(V)]
Meter Report Command:
[Command Class Meter
,
Meter Report
,
Rate Type = 0x01
,
Meter Type = 0x01
,
Precision = 1
,
Scale = 4
,
Size = 2
,
Meter Value(V)]
Example:
Scale = 0x04 (V)
Precision = 1
Size = 2 Bytes (V)
Meter Value 1 = 0x09(V)
Meter Value 2 = 0x01(V)
AC load Voltage = (Meter Value 1*256) +(Meter Value 2)= 230.5 (V)
2-2-5 AC load current (
I
)
When receiving Meter Get Command, it will report Meter Report Command to the
node.
Meter Get Command: [Command Class Meter, Meter Get, Scale =0x05(I)]
Meter Report Command:
[Command Class Meter
,
Meter Report
,
Rate Type = 0x01
,
Meter Type = 0x01
,
Precision = 2
,
Scale = 5
,
Size = 2
,
Meter Value(
I
)]
Example:
Scale = 0x05 (
I
)
Precision = 2
Size = 2 Bytes (
I
)
Meter Value 1 = 0x01(
I
)
Meter Value 2 = 0x21(
I
)
AC load current = (Meter Value 1*256) +(Meter Value 2) = 2.89 (A)
2-2-6 load power factor (PF)
When receiving Meter Get Command, it will report Meter Report Command to the
node.
Meter Get Command: [Command Class Meter, Meter Get, Scale =0x06(PF)]
Meter Report Command:
[Command Class Meter
,
Meter Report
,
Rate Type = 0x01
,
Meter Type = 0x01
,
Precision = 2
,
Scale = 6
,
Size = 1
,
Meter Value(PF)
Example:
Scale = 0x06 (PF)
Precision = 2
Size = 1 (PF)
Meter Value 1 = 0x63(PF) (It means that the load power factor is 0.99)
3. Z-Wave’s Configuration
Configuration
Parameter
Function
Size
(Byte)
Value
Unit
Default
Description
1
Manual Switch
Report mode
1
0-1
1
0 : Disable
1 : Enable
2
switch Working
Timer
1
1-11
10min
6
6*10min=1 hour
3
Watt Meter
Report Period
2
0x01-
0x7FFF
5s
720
720*5s=3600s=1 hour
4
KWH Meter
Report Period
2
0x01-
0x7FFF
10min
6
6*10min=1 hour
5
Threshold of
current for Load
caution
2
10-1500
0.01A
1500
1500*0.01A = 15A
6
Threshold of
KWh for Load
caution
2
1-10000
1KWh
10000
10000*1KWh=
10000KWh
7
Watt differential
report mode
1
0-1
1
0: Disable
1: Enable