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Energy Saving-as-a-Service: A Smart HVAC System for a Hypermarket
2018-02-22

Location / Country : Taiwan

Product Solutions:
ioLogik 2512

Smart Ethernet remote I/O with Click&Go Plus, 8 DIs, 8 DIOs

ioLogik E1211

Ethernet remote I/O with 2-port Ethernet switch, 16 DOs

ioLogik E1212

Ethernet remote I/O with 2-port Ethernet switch, 8 DIs, 8 DIOs

ioLogik E1241

Ethernet remote I/O with 2-port Ethernet switch, 4 AOs

ioLogik E1260

Ethernet remote I/O with 2-port Ethernet switch, 6 RTDs


Introduction
Project Introduction

A system integrator that specializes in HVAC systems wanted to deploy a smart HVAC solution that operates as an energy saving-as-a-service business model. The system integrator leased their HVAC system to the hypermarket and was paid based on a percentage of the amount of money the hypermarket could save by deploying the new solution.

 

The smart HVAC system automatically adjusts settings based on the operating hours of the hypermarket and real-time temperatures, which removes the need for a human operator to manually adjust the HVAC system. In addition, there is an online web console that the hypermarket owner can log in to that allows them to visualize the HVAC system and the amount of energy that has been saved. As the HVAC system can now be visualized, engineers do not need to be dispatched for routine inspections, but are only dispatched when a problem arises that needs attention. Both of these features allow the end user to significantly reduce the total cost of ownership.


System Requirements

• Automatic control of the HVAC system based on business hours and the current environment of the hypermarket
• Local intelligence to handle machine redundancy
• DI, DO, AO, RTD, and RS-485 meter for data collection and machine control


Moxa Solution

Moxa's ioLogik 2512, ioLogik E1200 Series, and MX-AOPC UA Suite were the ideal products for this project. The rules that define how the smart HVAC functions, which do not require any programming, can be set by Click&Go plus which is included in the ioLogik 2512. Rules can also be set in order to adjust the chiller, pump, and fan based on the operating hours and the current environment of the hypermarket. The DI channels of the ioLogik 2512/E1212 are used to monitor the machine status of the chiller, pump, and fan. The DO channels of the ioLogik 2512/E1211/E1211 are used to control the settings of the chiller, pump, and fan based on the information provided by the ioLogik E1260, which takes temperature readings around the hypermarket. In addition, another key feature of Moxa’s solution is that the I/O data and connected serial device’s data e.g. power meters, can be sent to the MySQL database and display the system and energy usage status via the web server. By collecting field site OT data and sending it through Moxa’s MX-AOPC Suite to the database reduces the workload of the system integrator. It also allows the customer to connect legacy HVAC OT systems into Industrial IoT networks.


Why Moxa

• Easy to use Click&Go Plus to automatically control the environment of the hypermarket and provide network redundancy
• Supports various IO interfaces with E1200 expansion capability
• Supports active tags to send IO and RS485 meter data to the MX-AOPC UA Server for HMI integration
• An experienced solution provider that ensure fast implementation of energy saving-as-a-service solutions