Risco RP128EZ0100A Single Zone BUS Expander – Suits LightSYS+ and LightSYS2
The Risco RP128EZ0100A Single Zone BUS Expander allows conventional wired detectors to be connected directly onto the Risco BUS infrastructure.
This module simplifies installations by enabling parallel connection of detectors from any point along the wiring route, eliminating the need to home-run each zone back to the control panel.
Key Features
- Converts a conventional wired detector into a BUS zone input.
- Supports Normally Closed, Normally Open and End of Line configurations.
- Compatible with LightSYS+ and LightSYS2 BUS systems.
- Allows parallel wiring along BUS routes.
- Compact module suitable for detector housing installation.
- Ideal for retrofit and expansion projects.
Specifications
- Item Code: RP128EZ0100A
- Product Type: Single Zone BUS Expander
- Compatible Systems: LightSYS+, LightSYS2
- Interface: Risco BUS
- Zone Support: 1 wired detector input
- Zone Configurations: Normally Closed, Normally Open, End of Line, Double End of Line
- Application: Wired detector to BUS conversion
What's In The Box
- 1 × Risco RP128EZ0100A Single Zone BUS Expander module
- Installation guide (downloadable)
Suitable Uses
- Adding wired PIRs, reed switches or glass break detectors to BUS systems.
- Retrofit upgrades where existing wired zones are retained.
- Commercial and residential LightSYS+ expansions.
- Installations requiring flexible zone configuration options
Download PDF Resources
Frequently Asked Questions
- Can this module be installed inside a detector housing?
Yes. The compact design allows installation inside many detector enclosures. - Does it support end of line resistor configurations?
Yes. It supports multiple zone configurations including end of line and double end of line wiring. - What is a common installation mistake?
Incorrect BUS addressing or resistor configuration may prevent proper zone supervision.
Additional Information
- This module is widely used in retrofit installations where existing wired detectors are retained.
- Correct resistor values must match panel programming to ensure supervision compliance.
- Parallel BUS routing reduces cable runs and simplifies expansion projects.
Technical Drawing
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