Modbus Organization

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Member: Yes


Im Surinam 55
Basel 4016, Switzerland

Phone: +41 61 695 5555
Fax: +41 61 695 5510
Web Site:


For more than 100 years, the SAUTER Group has provided products expertise and solutions for building management and room automation throughout the entire building life cycle. The SAUTER Group, with headquarters in Basel (Switzerland) and development and production site in Freiburg i.Br. (Germany), is active worldwide. SAUTER's products are distinguished by Swiss quality and cover the four areas: Systems, Components, Services and Facility Management. Together, they stand for the all-round expertise of the company: SAUTER creates sustainable environments.


Product Name Type Connectivity Product Description
ecos504/505ControllerModbus RTU, Modbus ASCIIThe ecos 5 system family comprises a range of devices for room automation for the BACnet/IP system bus. The ecos504/505 room automation station (AS) is a modular, freely programmable BACnet Building Controller (B-BC) for the automation of up to eight rooms or flexible room segments with the functions room climate, lighting and sunshading. The ecos504/505 as BACnet Building Controller (B-BC) can also be used as an individual AS for other functions in building automation (ventilation system unit, decentral data preparation for devices on a BACnet MS/TP line, central control of multiple VAV boxes etc.). The powerful programming environment, SAUTER CASE Suite, and the available function libraries allow both standard tasks of room automation and complex projects with flexible room division, based on room segments, to be carried out efficiently. Room operating units of the ecoUnit series, remote ecoLink I/O modules and two EnOcean ecoMod580 wireless interfaces are connected to the ecos504/505 via RS-485 interfaces. A half-duplex, 2-wire, electrically isolated RS-485 interface (variant F0C1) with the Modbus protocol as client (Modbus/RTU and Modbus/ASCII) enables the integration of up to 247 Modbus devices (Modbus servers) such as multi-sensors, room operating units, energy meters (electricity, heat), intelligent actuators, communicative controllers etc.
modu524/525+721ControllerModbus RTUThe modu524/525 automation stations (AS) are used to regulate, control, monitor and optimise operational installations. They are based entirely on BACnet/IP communication. A web server (modu-Web) is integrated into the AS for comprehensive operation, direct visualisation of the data points, notification and forwarding of alarms and creation of time profiles (scheduler). The moduCom communication module modu721 is used to extend the modu524 and modu525 automation stations. It is used to integrate third-party products on the automation level in operational systems such as HVAC engineering. Third-party products based on the field bus protocols for EIA-232 or EIA-485 such as Modbus/RTU, M-Bus can be integrated in the automation station. This allows for the option of BACnet/IP communication with the management level.