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PM2002DP Datasheet

  • PM2002DP

  • Energy Meter Evaluation Module

  • 10頁

  • SAMES

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Application Note:
Energy Meter Evaluation Module
PM2002DP
INTRODUCTION
This application note describes the functionality of the
SA2002D metering integrated circuit using the PM2002DP
evaluation module.
The SA2002 enables the meter manufacturer to build a meter
that measures the energy consumption, and records it to a
mechanical counter. Energy flow direction as well as energy
metering activity is indicated by means of LEDs. This
application note will focus on the practical use of the SA2002D,
more detailed information specific to the SA2002D can be
found in the applicable datasheet.
sames
CONNECTORS ON MODULE
The PM2002DP module connects directly to live and neutral
on SCK1. The module is referenced to live and should be kept
in mind when connecting test equipment to the module. The
current is measured by the shunt on the top of the PCB. The left
terminal of the shunt is connected to live. The live out will be
connected to the right terminal of the shunt.
Name Function Description
SCK1 Mains connector for module power and voltage
sense
JP2 Optional current transformer connector.
(Underneath shunt resistor)
JP3 Optional Stepper motor connector. (Remove jumper
J6 to disconnect impulse counter)
THE SA2002D PIN PROGRAMMABLE MONOCHIP
METER
Setting
6A / 220V
10A / 220V
20A / 220V
30A / 220V
40A / 220V
60A / 220V
80A / 220V
Calibrated
LED imp/kWh
6400
6400
3200
3200
1600
1600
800
R0 = 0, R1 = 0, R2 = 1
R0 = 0, R1 = 0, R2 = 0
R0 = 1, R1 = 0, R2 = 0
R0 = 1, R1 = 0, R2 = 1
R0 = 0, R1 = 1, R2 = 0
R0 = 0, R1 = 1, R2 = 1
R0 = 1, R1 = 1, R2 = 0
Pin Status
Table 2: Connector descriptions
Table 1: A summary of the pin settings possible with the
SA2002D. Pin status 0 indicates connection to VSS and 1
indicates connection to VDD.
Live In
Live Out
Neutral
Figure 1: Connection and jumper settings for 80A / 220V bi-directional meter module
SPEC-0088 (REV. 1)
1/10
08-11-00

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