PM9106APE Просмотр технического описания (PDF) - South African Micro Electronic Systems

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PM9106APE

SINGLE PHASE WATT MEASUREMENT MODULE WITH A 5 DIGIT LED DISPLAY

South African Micro Electronic Systems 

PM9106AP

ELECTRICAL CHARACTERISTICS

(Over the temperature range -10°C to +70°C, unless otherwise specified.)

Parameter

Symbol Min Typ Max Unit Condition

Supply Voltage

VAC

180 230 265

V Continuous

operation

Power Consumption 1

800 mW VAC = 230V

Note 1: Power consumption specifications exclude power consumed by the current

sensor.

Note 2: Isolation voltage may be specified, depending on customer requirements.

PIN DESCRIPTION

Designation

Description

MAINS

NEUTRAL IN

Voltage supply connection to Neutral line

Voltage supply connection to Live line

Connection to positive side of current sensor

NEUTRAL OUT Connection to negative side of current sensor

FUNCTIONAL DESCRIPTION

1. Power Calculation

In the Application Circuit (see Figure 2), the output current from the current sensor

will be between 0 and 16µA (0 to 80A through a shunt resistor of 625µΩ). The current

input stage saturates at input currents greater than18µARMS. The mains voltage

(230V + 15% -20%) is used to supply the circuitry with power and for the power

calculation, together with the current information from the current sensor (shunt

resistor).

The SA9106AP integrated circuit may be adjusted to accomodate any voltage or

current values. The method of calculating external component values is described

in paragraph 5 (Circuit Description).

SAMES offers two evaluation module options, namely 230V/80A and 115/80A.

The calculated power is directly displayed on a 5 digit (7 segment) LED display. The

update interval is approximately every 2 seconds.

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