Automatic monitoring of emergency lighting reduces maintenance costs for hospital

Published:  22 May, 2006

TridonicAtco
Automatic monitoring of emergency lighting using a TridonicAtco system will reduce maintenance costs for the new St Mary’s NHS Treatment Centre in Portsmouth.

Sophisticated monitoring of emergency lighting using an integrated system from TridonicAtco will reduce maintenance costs at St Mary’s NHS Treatment Centre in Portsmouth. It also achieves full compliance with the new automatic-testing standard EN 62034. It is believed to be the only self-testing system for emergency lighting that provides full compliance with this standard and obviates the need for visual tests.

At the heart of the system is TridonicAtco’s EM winPRO software, combined with proDIM BC9000 TCP/IP DALI gateways. They provide an interface between the DALI system and the TCP/IP network at the hospital. The system also incorporates the EM PRO intelligent inverter for battery-powered emergency lighting.

175 emergency fittings are incorporated into a range of recessed luminaires from various suppliers. A requirement of installer Connect 2 was that all the luminaires would be fitted with TridonicAtco ballasts so they could be easily integrated into the control system.

All luminaires are linked to a central PC running EM winPRO software via the same structured-cabled network that serves the hospital’s computer network. 4-port hubs separate the lighting system from the main network. This configuration means that no extra cabling was required for the emergency-lighting system, reducing installation costs.

The DALI-based lighting-management system is linked to the network through proDIM BC9000 units, supplied by Hayes Controls, which incorporate an interface between the DALI and TCP/IP protocols. There are two proDIM BC9000 units on each of two floors, each linked to about 45 luminaires.

The system also provides monitoring and reporting functions, including lamp failure, integrity of charging circuits, battery failure and failure of battery to sustain output for full duration. All results are recorded by the software so that proof of testing is available.



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