2 NX12 RTU Description
2.1 Applications
The NX12 RTU (Remote Terminal Unit) is a telemetry device that is suitable for use
in fixed site alarm monitoring and control applications.
The NX12 provides monitoring and control of equipment via digital inputs, counter
inputs, analogue inputs, control outputs and RS485 (using Modbus RTU). Typical
applications include:
▪ LV substation monitoring and control.
▪ Pump and pump station monitoring.
▪ Wind farm site monitoring.
▪ General plant alarm panel monitoring.
▪ Tank level monitoring.
▪ Circuit breaker operation monitoring.
▪ Fault Passage Indicator monitoring.
2.2 Central iHost User Interface
The NX12 is remotely monitored from the Nortech “iHost” system. Users access
iHost via a unique username and password. The iHost system stores and displays
equipment status and alarm data, along with related event history and statistics. It
also provides remote NX12 configuration tools. Data is displayed in lists, record
details, maps, diagrams, tables and graphs.
For larger customers, a dedicated private iHost System can be installed at their own
premises on their own servers.
The functionality of the iHost User Interface is beyond the scope of this document.
2.3 Communications
The NX12 includes an in-built, quad-band GPRS wireless modem and antenna.
There are 3G and 4G factory options available for different regions – please contact
Nortech to discuss your requirements.
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