1
1. Use Instruction
1.1 Overview
1.1.1 Construction Profile
Figure 1.1.1:
APL SEM 3P V2 Three-phase Keypad Prepayment Energy Meter
1.1.2 Major Application
APL SEM 3P V2 Three-phase Keypad Prepayment Energy Meter takes digital medium as
information exchange media. It is an active electric energy meter in which users load in pre-
purchased energy, and it takes energy as its billing. The meter includes measurement unit,
real-time clock unit, infrared communication, load switch, GPRS communication module and
other auxiliary equipment.
1.1.3 Main Functions
When energy balance is 0, the meter can send out power off signal to control load for
auto switching off, and it shall auto restore the power supply after the new purchased energy
is loaded.
Record events of open terminal cover trip, open face cover trip, overload trip, power off,
reverse tampering, phase off, relay off, time synchronization, power purchase, meter
reset, demand reset, event reset and data alteration tampering, etc. (
see 4.14 Event
Recording Function
)
Summary of Contents for SEM 3P V2
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