BGX501-742-R01, APEX100 User Manual
1 Introduction
1.1 System Overview
The Apex 100 Rack is a multi-functional, electronic, electricity energy meter used for grid metering. It provides
high accuracy in measuring electrical and also in measuring instantaneous quantities such as current, voltage,
power, frequency etc. The Apex 100 offers extensive configurable functional features together with the high
accuracy enable application areas more numerous than for traditional electricity meters. Besides having well
designed traditional features such as meter registers, data logging and tariff capability, there are also extensive
functions for bi-directional communication, monitoring alarm conditions, total harmonics distortion for current
and voltage. The Apex 100 is a 0.2 class CT-PT meter. It supports an open data exchange protocol (as per
ICS DLMS) for ease of reading and integration with other systems.
The meter is available in two major variants:
1. Self-powered
2. APS
The self powered variant meter is powered from its three-phase/three-wire or three-phase/four-wire feeder line.
The auxiliary powered meter takes its power from the auxiliary AC and DC power supply bank.
Figure 1: An Overview
The meter stores data in non-volatile memory. The data transfer possible options available in meter is through
hand held unit (Optical 1107 & USB type A ports) for local reading and GSM/ GPRS modem (RS232 & RS485
serial ports) for remote meter reading applications. Apex 100 is specially designed for supporting data transfer
on TCP/IP channel by supporting in-built Ethernet port in meter.
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