PM9109BFA Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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PM9109BFA

MONOCHIP SINGLE PHASE BIDIRECTIONAL KILOWATT HOUR METERING MODULE

South African Micro Electronic Systems 

PM9109BF

RUNNING THE PROGRAMME

On entering the programme, the user will be offered a selection of fields to

choose from. A brief description of each field is given below:

Comms

Selection of serial communication port connecting the

demoboard containing the SA9109B to the PC.

Read

Start task of reading from attached SA9109B device.

Write

Data stored in the input boxes displayed on the right hand

side of the screen will be written via the parallel port connected

on SK1.

Capture boxes with a .............. on display will write the value

displayed in the Read section for that parameter.

Help

Screen of useful keystrokes used in the programme.

A number of input boxes are available to the user to enter register start values,

identity numbers, and the slope factor for the output frequency. Input boxes

are:

TARIFF 1

TARIFF 4

Initial value from which the device must start accumulation of

data of chosen as "Active" tariff register

Sign +/-

Total

I.D. man/

I.D. sys

Type

The register value input for Tariff 1 -- Tariff 4 may be either a

positive (+) or negative (-) value.

As with the tariff registers, an initial value from which accumu-

lation of registers totals will begin may be entered. This regis-

ter, in practice, will contain the sum of the four tariff registers.

Updating of this register takes place automatically when either

of the tariff registers increment during power consumption.

Numeric code to allow the supplier to individually attach a ref-

erence identifier to a metering unit.

This field should remain as per default (SA9109B selected).

The SA9109B will increment irrespective of energy direction.

sames

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