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7.6.
Application Endpoint #5 – Metering
The metering endpoint provides information about energy consumption, instantaneous power, voltage,
current, frequency, etc. This can be extended – upon customer request – with even more advance
features like waveform sampling, total harmonic distortion, or other quality measures.
On S2 and S2-R, the metering endpoint provides aggregated (total) values for both outputs, e.g. when
the first load draws 50W, and the second draws 100W, the on-board smart meter will measure 150W.
The application endpoint exposes the following clusters:
Cluster
Direction
Description
0x0000
Inbound
(Server)
Basic
Provides basic information about the device, such as the manufacturer ID, vendor and model
name, stack profile, ZCL version, production date, hardware revision etc. Allows a factory reset
of attributes, without the device leaving the network.
0x0702
Inbound
(Server)
Metering
Provides metering information regarding energy and power.
0x0B04
Inbound
(Server)
Electrical Measurement
Provides electrical measurement figures, for example line frequency, active power, reactive
power, apparent power, RMS voltage, RMS current, power factor, etc.
7.6.1.
Basic Cluster (Server)
Please refer to section 7.7.1 for details.
7.6.2.
Metering Cluster (Server)
Notice: This cluster uses the binding table for managing reporting targets. Currently, there is no default
reporting configuration in place, so you need to configure reporting, if you want to receive feedback on
energy/power changes.
Attributes supported:
Attribute
Type
Description
0x0000
unsigned48,
read-only
CurrentSummationDelivered
Indicates the current amount of electrical energy delivered to the load.
0x0001
unsigned48,
read-only
CurrentSummationReceived
Indicates the current amount of electrical energy generated by the attached device.
0x0002
unsigned48,
read-only
CurrentMaxDemandDelivered
Indicates the peak electrical power delivered to the load.
0x0003
unsigned48,
read-only
CurrentMaxDemandReceived
Indicates the peak electrical power generated by the attached device.
0x0200
bitmap8,
read-only
Status
Flags indicating current device status.
0x0300
enum8,
read-only
UnitOfMeasure
This is always kW.
0x0400
signed24,
read-only,
reportable
InstantaneousDemand
The power currently delivered to the attached load, in Watts. A negative value indicates
power generated by the attached device.