22.10.2021

Multitone Elektronik International GmbH

Personal emergency signal system for sewage treatment plant applications

Planning and installation of a personal emergency signal system for sewage treatment plant applications

Multitone Elektronik International GmbH has planned and implemented an extensive EkoSecure® personal emergency signal system (PNA) for the sewage treatment plant of a municipal operator in North Rhine-Westphalia to protect the employees.

A screening plant, a grit chamber, several clarifiers, the sludge disposal system and the buildings for the operating technology are located on the grounds of the sewage treatment plant. Some of the facilities are connected to each other via underground maintenance tunnels. Every year, several million cubic metres of wastewater and rainwater are treated and then returned to the water cycle.

The safety of the employees has top priority for the plant manager. To ensure this, the plant engineering staff were equipped with small, handy and user-friendly personal emergency signal devices (PNG). Several EkoSecure® radio repeaters ensure comprehensive radio coverage throughout the plant premises. This also includes underground maintenance corridors. In an emergency, the employee triggers a voluntary (manual) or voluntary-independent (automatic) alarm at the PNG. The alarm is transmitted to the personal emergency signal receiving centre (PNEZ) within seconds together with a location (localisation). The entire radio network is highly reliable and has been implemented without complex cabling. EkoSecure® is certified by the DGUV according to DIN VDE V 0825-1

A special requirement was solved with the Multitone i-Message alarm server: Via the ESPA-X protocol, it forms the interface between the PNA and the control technology of the wastewater treatment plant. This allows fault messages to be sent to the display of the PNG. This allows the employee to react immediately to malfunctions.

ESPA-X is a proprietary successor of the ESPA 4.4.4 protocol. ESPA-X stands for Extended Signaling Protocol for Alarm Process - XML and is based on TCP/IP and XML.

ESPA-X will support future alarming requirements. Decentralized locations of remote building structures are more and more networked via contemporary as well as structured network cabling with modern TCP/IP (Transmission Control Protocol/Internet Protocol) based network protocols and replace the old telephone copper cabling. VoIP with SIP replaces the previous ISDN telephone connections. Alarm messages are increasingly routed to a central location via alarm servers to centralize services.

We are pleased to offer the Multitone i-Message alarm server now also with ESPA-X protocol. With this, a flexible communication and alarm platform can be built up, which enables the standardized implementation of a multitude of systems. The customer as a user benefits from long-term investment security," explains Frank Rotthoff, Managing Director of Multitone Elektronik International GmbH and adds: "With the combination of certified EkoSecure® PNA and IP-based i-Message alarm server, we can provide our customers with an extremely efficient system with a dual benefit - security and time-critical message transmission."

Exhibitor Data Sheet