STEVAL-IPE012V1 STMicroelectronics, STEVAL-IPE012V1 Datasheet - Page 17

• Manufacturer Part Number: STEVAL-IPE012V1
• Description: EVAL BOARD ENERGY METER
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of STEVAL-IPE012V1

• Design Resources: STEVAL-IPE012V1 Schematic STEVAL-IPE012V1 BOM
• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: STPM10BTR, STM8L152
• Primary Attributes: Single Phase with 1 Current Transformer & Shunt
• Secondary Attributes: Tamper Detection
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11462

UM0981
6.4.2
6.5
6.5.1
6.5.2
Note:
Meter low power mode display
In low power mode, the display is off until push button SW3 is pressed. When push button
SW3 is pressed in low power mode, the display is on in auto-scroll display mode. The
display is active until push button SW3 is in a pressed condition.
Tamper detection
The STEVAL-IPE012V1 demonstration board supports multiple tamper detection and their
logging in EEPROM.
Tamper types
The five types of tamper detection are:
1.
2.
3.
4.
5.
LCD symbol for tamper condition
●
●
●
●
●
Three tampers (earth, reverse and neutral missing) are detected using a software algorithm
based on meter readings from the metering IC.
In the case of neutral missing tamper detection, the board starts recording energy when the
load current is 2 A or higher.
Case tamper is detected using switch SW2 and magnetic interference is detected using
magnetic sensor U4. Symbol 'BP' is shared for displaying case tamper as well as magnetic
interference. It means if any of the tampers are detected, symbol 'BP' is displayed on the
LCD.
For tamper definitions, refer to
In the present solution, magnetic tamper is not logged in EEPROM. Logging can be easily
done by modifying the EEPROM log structure.
Earth tamper
Reverse tamper
Neutral missing tamper
Case tamper
Magnetic interference
Earth tamper:
Reverse tamper:
Neutral missing tamper:
Case tamper:
Magnetic interference:
Doc ID 17778 Rev 1
Appendix
A.
Single-phase energy meter features
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