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To connect multiple bus detectors to bus lines using Bus Zone Expander(s):
1. Remove system power.
2. At SW1 on the BZE (Bus Zone Expander), use DIP switches 1—3 to sequentially
set the BZE’s physical ID number. Note that DIP switch 4 is not used.
3. At SW2 on the BZE set DIP switch 3 to ON.
4. At SW2 on the BZE, set DIP switch 4 to OFF to utilize the tamper switch, or set
it to ON to disable the tamper.
5. Wire the bus line to the BZE terminals marked TO PANEL.
6. Set each bus detector’s physical ID number sequentially, using each detector's
DIP switches.
NOTE: Do not assign the same physical ID number to more than one detector
on the same BZE.
7. Wire each bus detector's terminals to the BZE terminals marked TO DEVICE.
NOTE: For maximum operation stability, it is recommended not to exceed 300
meters (1000 feet) of wiring from any BZE to the main panel, and not to exceed
300 meters (1000 feet) of wiring from any BZE to the farthest detector it
supports. For a distance greater than 300 meters (1000 feet) contact RISCO
Customer Support.
NOTE: For testing the bus, see Performing a Bus Test, page 54.
Installing Power Supply Expansion Modules
The ProSYS Plus supports the addition of multiple supervised / switching power
supply expansion modules (models of 1.5A or 3A), that each operate from AC
power, connect to a bus, and serve to expand the total current capacity when
needed. See Appendix A: Technical Specification, page 217 for specific information on
the available models.
Both the 1.5A and 3A power supply expansion modules have advanced remote
diagnostics (including remote upload/download or keypad reading of voltage
output and current under load), and support a standby battery and a 1.7 A siren.
They are self-supervised for loss of mains power, battery power, failure of its
auxiliary output power, and loss of sounder loop integrity (sounder device).
The 3A power supply expansion module also supports two utility outputs.
• To install power supply expansion module(s), refer to their packaged
installation instructions
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