A remote control system on a IIoT platform shelters the main Mercedes dealership in Rome from the floods of the Tiber. It is the one realized by Cogeco with SENECA (data acquisition and local control) and Rilheva (supervision and alarm management) technologies.
Mercedes-Benz Roma was born in May 2002 from the partnership between DaimlerChrysler Italia and the Nuova ABC Group. Today it employs about 585 people in the sales and service of the Mercedes-Benz and Smart brands. It is the largest commercial reality in the world for Mercedes-Benz Cars outside Germany and the first smart Center in the world for sales and service volumes.
As part of this project, the headquarters in Rome North of Via Salaria, one of the two main branches of Mercedes-Benz Rome, was built. This office has made use of Seneca and Rilheva remote control technologies, as well as Cogeco system integration, to manage the lifts and the purification plant at the service of its own plant.
System functionality
The one realized is a remote control system for wastewater purification and rainwater lifting. The hardware for data acquisition, control and local visualization is provided by Seneca. Supervision and IIoT platform are signed Rilheva. The fiber optic data communication network, FTTC, is provided by the client Autostar Immobiliare. The system has the purpose to report failures, the operating states of electromechanical equipment and measurements of analog signals related to operating levels and temperature. It also has the function of bidirectionality allowing the sending of commands from the system expires via web or mobile app to the plant for the start-up or shutdown of machinery.
Reports are made in 3 ways:
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Tramite local HMI device (display on control panel) which receives digital and analog 4-20 mA signals directly from control panels and level probes.
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Tramite Scada via web interface or mobile app, in this case, the RTU communication device sends and receives signals via bi-directional MQTT protocol over the data network.
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Tramite email, where only alarm messages will be sent.
Automatic operation logic has been implemented where when a temperature threshold taken from the blower room (50°C) is exceeded, the state of the machine is switched by acting on a relay in the blower panel. The power supply of the auxiliary circuit is then interrupted preventing the operation of the blowers until the temperature returns to a value of 45°.
Customer Benefits
The system realized allows the real-time control of the progress of the purification plant and of the lifting stations. This is a very important benefit because the entire structure serving the Mercedes branch in Via Salaria is located near the Tiber river. In case of heavy rainfall, the entire structure is at risk of flooding.
The realized system allows to control the raising of rainwater in the lifting and in case of lack of automatic start of the lifting pumps is given the possibility to activate it remotely. It is also implemented the functionality of sending alarms to allow maintenance teams to intervene in case of machinery anomalies or in case of high level of one of the lifts.
SENECA IIoT hardware
From a hardware point of view, the remote control system is based on Seneca hardware. In particular, the heart of the system is represented by Z-LTE-WW, data logging unit with remote alarm, remote control and telemetry functions. Like the high-intelligence SENECA data loggers, Z-LTE-WW is a solution capable of meeting the growing needs for data collection, real-time analysis and integration with IT systems.
Ё available with integrated UPS, integrated I/O channels, dedicated programming and visualization software, support for serial and Ethernet communication, GSM/GPRS modem and integration with Cloud solutions.
Z-LTE-WW is SENECA’s new high-end datalogger that responds to the growing requirements of data acquisition, real-time analysis and integration with existing computer systems in automation and monitoring of systems / processes.
In line with the new productivity and communication models of Industry 4.0 and the Internet of Things, it is characterized by a high-performance 4G LTE World-Wide modem, GPS receiver, 4 integrated communication ports (1 Ethernet 100, 1 RS232/RS485, 1 RS485, 1 MicroUSB), 8 integrated I/O channels (4DI/meters/totalizers, 2AI, 2DO), improved power supply range, voice alarms/audio controls with DTMF tones and support for Ftp, Smtp, Smtps, HTTP rest, HTTPS, ModBUS RTU, ModBUS TCP-IP and SMS communication protocols.
Configurable as the Master unit of the SENECA Z-PC series distributed I/O system, Z-LTE-WW offers maximum openness to the outside and third parties (PLC, HMI) thanks to the technological standards it meets. This unit supports different types of SIM cards and has an 8MB flash memory, a microSD slot expandable up to 32GB, and a real-time multitasking operating system. Like all seneca’s advanced data loggers, Z-LTE-WW has also equipped a built-in UPS that allows an operating autonomy of up to 1 hour in case of lack of primary power.
This unit guarantees an open and flexible programming, thanks to a dedicated environment for the development of control logic (SeAL), an integrated web server, a mobile application (iOS/Android) for the direct management of controls via SMS and an import/visualization of data. tool (Log Factory). Z-LTE-WW, Z-GPRS3 and Z-LOGGER3 can be integrated with SCADA, Cloud, databases and third-party web portals already available on systems or end users. The combined use of these dataloggers with the Cloud-IoT solution proposed by SENECA (Cloud BOX) completes the possibility of data management through responsive web pages with customizable dashboards and widgets.
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