1. Brief Introduction
EM613002 is a DC measuring device sampling by shunt. Support RS485 & NB-IOT communication and upload data to the system platform through RS485 and play the role of concentrator. Current platform support simple reading and parameters setting, we advise customer have a system as per application, and we recommend simple reading with matched PC software. Din rail installation, with good reliability, small volume, beautiful appearance, easy installation and other characteristics.
2. Technical Parameter
RS485, communication protocol DLT645
NB-IOT, communication protocol 376.1
GB/T 17708-2017 Static DC Energy Meter
Accuracy Error of Cl.1 Meter
Limit of percentage error of Cl.1 meter
3. Function Description
3.1 Metering Function
l DC measuring device sampling by shunt with high accuracy, which can measure DC energy, current,voltage.
3.2 Communication Function
l NB-IOT communication with protocol 376.1, which can realize remote communication with low consumption and strong penetrability.
l Supports RS485 communication with protocol DTL645, which allows parameters setting and read or write power data of downside devices.
l Upgrade locally through RS485.
l Upgrade remotely through NB-IOT.
3.3 Display Function
l LCD will show: DC energy, current, voltage, tariff etc
l Support automatic scrolling display (interval 5S) and manual display
l Backlight display, press the page button to activate the backlight and read in dark condition.
l Alarming: 220V power off detection, alarming when over-voltage, under-voltage, over-current, threshold is settable.
l Tariff: 4 tariffs with 8 time slots.
l Event log: record of last 20 times of over-voltage, under-voltage,over-current events.
4. DC Solution