B3.2 Using The Register Readings From The Irda Output; B3.2.1 Comparing The Irda Register Reading Advance With That Of A Substandard Meter; B3.2.2; Comparing Irda Register Advances With Values Calculated By The Irda Receiving Pc - Elster A100C Operating & Maintenance Instructions

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B3.2 Using the register readings from the IrDA output
Register advances may be determined from the IrDA output using the methods outlined
below.
What you will need to receive the IrDA data
IrDA Receiver - This must be set to the same baud rate as the meter
Laptop or PC
IrDA Software - Various software packages are available. The software package described
is available from Elster Metering Systems. It is that suggested this software is installed in a
folder called A100C.
B3.2.1 Comparing the IrDA register reading advance with that of a substandard
meter
T he method described in B3.1 is used, but the register readings are taken from the PC
display described in Appendix C1.1, 'Registration'. Even higher resolution is available than
that shown on the meter 'Test displays'.
Checking Registration
1. Connect the IrDA receiver to a suitable port on the PC
2. Open the software, select registration and press Start. A message 'Waiting IrDA data' is
displayed in the bottom left corner of the display
3. Hold the IrDA receiver within 250mm of the IrDA transmitter port to capture the data.
Receiving IrDA data is displayed in the bottom left corner of the display
4. Remove the IrDA receiver and press stop.

B3.2.2

Comparing IrDA register advances with values calculated by the IrDA
receiving PC
This method is only suitable when using a meter test bench that provides known voltage,
current and power factor output of high accuracy.
Operating & Maintenance Instructions
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