Software-sustainability through open, standardized interfaces

Logo Stadt Kitzingen am MainElektro-Hofmockel LogoProject: Waste water Kitzingen
City of Kitzingen, Jürgen Orth, +49 9321-34378
System Integrator: 
Elektro Hofmockel, Karl Weber, +49 9876-9790-17
Process control system, Remote control system
Waste water

With a capacity of 85,000 inhabitants, the sewage treatment plant of the city of Kitzingen is by far the largest in the district.

Klärwärter zeigt auf Klärbecken

The waste water processing is carried out by a treatment with anaerobic sludge connected to the activated sludge plant. In the catchment area there are 22 stormwater overflows, 10 pumping stations and 6 measuring stations. The plant was built in 1980 and extended in 1990 and 1999. Currently, all parts of the plant are being renovated.

The telecontrol and process control technology was completely renewed in 2011. “When selecting the new system, open and modern technology with a focus on industrial standard interfaces was particularly important to us,” says Jürgen Orth, head of the Kitzingen wastewater treatment plant. They didn’t want to go through proprietary hardware or software depending on a manufacturer again. Furthermore, the creation of process images was to be taken over by the company’s own employees. The prerequisite was a development environment that could be used completely without programming knowledge. After an extensive market analysis the choice fell on FlowChief’s telecontrol and process control technology.

The company Hofmockel from Rohr near Nuremberg, system integrator for FlowChief products, was commissioned with the installation and implementation of the system. At the same time, the employees of the wastewater treatment plant were intensively trained on application and process image creation directly at the company FlowChief. In the meantime the complete plant was visualized by the own employees. Nevertheless the topic is not finished for Jürgen Orth: “The annual software updates bring a lot of innovation into the system” says Orth, who also regularly participates in update trainings of the company FlowChief.

FlowChief Facts:
  • Process control technology 10,000 process variables designed as hot standby redundancy
  • 30 telecontrol stations via GPRS (manufacturer Siemens S7-300)
  • Online coupling (manufacturer Siemens S7-300 and S7-1500)
  • Engineering by end customer – approx. 100 process images
  • Operating diary according to DWA (automatic data transfer from FlowChief)
  • Web-based reports for relief structures (RÜB) for submission to the water management office
  • maintenance management