Description of the 433.92MHz RFXMeter device.
The RFXMeter
is a device that has an RF transmitter and a microcontroller to count pulses
from up to 3 metering modules.
The size of each counter is 24 bits so the maximum count is 16777215 pulses.
The counter values of all 3 counters will be saved in non-volatile memory when
the RFXMeter is disconnected from the power or a power loss occurs. The counter
values are restored when the power returns.
The RFXMeter device
transmits the total counter value(s) at predefined intervals.
The interval of the reporting can be changed by the user from 30 seconds, 1
minute, 6, 12, 15, 30, 45 or 60 minutes.
The preferred receiver for the RFXMeter data is the RFXCOM X10 receiver. This
receiver can receive the full 48 bits data packets. The maximum counter value before the counter rolls over to zero is 16777215. The 48 bits
data packet enables a parity check on the received data.
The Homeseer RFXCOM plug-in supports the RFXMeter.
The Homeseer ACRF plug-in version 1.2.0.3 and up supports the RFXMeter with the
RFXCOM receiver only.
The address of the RFXMeter can be set by the user so that theoretically up to
85 RFXMeter devices can co-exist.
The RFXMeter contains:
3 slots for metering modules,
A 433.92MHz RF transmitter with microcontroller to process the metering pulses,
A 5V DC power supply for the transmitter, the microcontroller and the metering modules.
Metering
modules:
The RFXMeter has slots for up
to 3 RFXPwr and/or RFXPulse modules.
RFXPwr:
With 1, 2 or 3 RFXPwr modules a 1, 2 or 3 phase power network can be measured. The
RFXPwr module is able to measure the whole house power usage up to 150A.
RFXPulse:
The RFXPulse can
have a Relay contact, Photo sensor or Reflective-Optical sensor connected.
Installation:
The RFXMeter can be powered by a 9V (if DC
then center is -) power adaptor. The RFXMeter doesn't need a dedicated power adaptor
if the first module is an RFXPwr module because this module will power the
RFXMeter too.
The metering modules can be inserted on the main board of the RFXMeter device.
Capabilities:
3 slots for metering modules.
3 counters with each a maximum count value of 16777215.
Counters are saved in non-volatile memory at power loss.
433.92MHz RF transmitter.
Power input for a 9V power adapter. (not needed if the 1st module is an RFXPwr)
