A connection of the SmartWire-DT system via Profibus DP to the central control system is being discussed. The control level currently uses Modbus which is connected via a gateway to BACnet. They therefore do not require a connection to the central control system in order to operate fully. The five exhaust air systems operate independently. The exhaust air system is also designed so that if level 2 (high speed) fails, the exhaust air system can continue to operate via the activated level 1 (low speed).Īutonomous exhaust air system with central control system option The energy consumption of all motors can be evaluated and all values passed to a monitoring system for analysis.
The installed solution also allows the university to implement an efficient energy management system. Each HMI/PLC of the five systems is backed up by an Eaton 5125 UPS. Either Galileo or the CoDeSys Target visualization implemented here can be used as the visualization software.
Eaton galileo open software series#
This also applies to the HMI/PLC, since like all of the xSystem product groups, the XV100 series is programmed as a PLC with the CoDeSys-based xSoft-Codesys-2 programming system in accordance with IEC61131-3.
Any qualified technician can carry out maintenance work on hardware and software, as well as expand the system as required in accordance with the standards. The building automation concept is not based on a proprietary island solution but solely on standard components. Impressive solution based on standard components The proposed solution for the chemistry department of the university offers several benefits. The PLC (or a control system) is always provided with up-to-date and precise diagnostics data, and tripping and overload values can also be set for motor protection. The data transparency thus created increases the efficiency and operational reliability of the drives in the area of the motor-protective circuitbreaker. All process-relevant data is transferred directly to the controller and is made available over the entire system. PKE motor starter combinations with PKE connected to SmartWire- DT enable the university to ensure integration in the automation world: The PKESWD- 32 modular COM interface also provides the actual current flow value of the PKE as well as different signalling functions such as diagnostics, status or overload signals.
In combination with the Eaton motor-protective circuit-breakers and circuit-breakers, SASY 60i forms a cohesive, UL certified solution for switching, controlling, protecting and distributing power. Several small rooms or one large one are assigned to a fan, with each fan being installed on the roof of the building.Įach of the five systems of the chemistry department consists of a switchboard (2.60 m wide, 2 m high), each containing an Eaton HMI/PLC – a 7.4 inch touch panel of the XV series with a Profibus DP fieldbus interface – as well as the DOL starters mounted on the SASY 60i busbar system from Eaton. The two speeds are interlocked by means of both the hardware and the software. In all, around 500 Eaton PKE motor starters were used in the chemistry faculty, with each one being used in combinations of two starters for small and high exhaust air fan speeds. The uniformly designed and open system replaces the control wiring in all components from the circuit-breaker to motor starters and frequency inverters right through to pilot devices. The solution for the exhaust air system includes the use of SmartWire-DT: SmartWire-DT is the seamless connection and communication technology from Eaton. In all, five systems were designed that had to be commissioned in succession. There were several individual problems in opening doors as the supply air system had failed. The exhaust air systems of three buildings belonging to the chemistry department of a German university were due for an upgrade. Compared to conventional HVAC building solutions, the new solution is based on high-performance standard components and offers verifiable cost savings. Thanks to the extensive expertise of the Aachen-based company, Wagner & Müller, it was awarded the contract for its impressive solution concept which included Eaton’s SmartWire DT communication and connection system and PKE motor starter combinations. The exhaust air system in the buildings of the chemistry department of a major German university urgently required a new concept.