RISCO Group LightSYS 2 - Manual (Page 55)

Installing Bus Devices
Page 55
Note:
Do not repeat the same ID twice on the same BZE.
5. Wire each detectorʹs bus terminals to the relevant BZEʹs terminals marked as TO
DEVICE.(see figure below)
Note:
For maximum operation stability, it is best NOT to exceed a total of:
300 meters (1000 feet) of wiring from the BZE to the LightSYS2 panel.
300 meters (1000 feet) of wiring from the BZE to the last bus detector.
When connected to LightSYS2 the Bus Zone Expanders can be defined to support 32 bus
zones. UP to 4 Bus Zones Expanders can be connected to the LightSYS2 .
Single Zone Expander
The RISCO RP128EZ01 is a Single Zone Expander that enables to connect any detector to
RISCO system BUS. Using the BUS connection you can ease your installation by connecting
any detector in parallel connections from any point along the wiring route. In addition you
can define any detector with one of the following zone terminations supported by the panel:
NO, NC, EOL, DEOL.