DMP 2W-BLX Addressable Wireless Sensor Module
Overview
The DMP 2W-BLX is an addressable single-point sensor module designed for integration with DMP XR Series control panels via the LX-Bus communication backbone. This module functions as a wireless sensor point that can be assigned and monitored within a distributed access control architecture, allowing you to expand zone coverage and sensor density without running dedicated hardwiring to each detection point.
As a modular addressable device, the 2W-BLX operates on the LX-Bus protocol—DMP's standard for multi-device integration across XR Series panels. This approach means you can commission multiple sensor modules across a facility and assign each a unique address, simplifying inventory management and reducing complexity when swapping or upgrading individual points.
Authentication and credentials
The 2W-BLX functions as a sensor input point within a larger access control system architecture. It does not directly process credentials or authentication; instead, it reports zone status (open/closed, alarm, fault) to the control panel, which then triggers logic or alerts based on your security policy. This separation of concerns is common in modular systems—the sensor detects, the panel decides.
Door and zone capacity
As a single-point addressable module, the 2W-BLX occupies one LX-Bus address slot within your XR Series panel. The total door and zone capacity depends on your panel model and LX-Bus configuration. Consult your XR Series panel documentation to confirm how many addressable modules your panel supports and how many total zones you can monitor simultaneously.
Integration and protocols
The 2W-BLX communicates exclusively over the LX-Bus, a proprietary DMP protocol designed for tight integration with XR Series panels. This means compatibility is limited to DMP XR Series equipment. If your infrastructure already uses XR Series panels, adding 2W-BLX modules is straightforward—no protocol bridges or third-party adapters are required. If you are deploying a mixed-vendor environment or need compatibility with panels outside the DMP XR line, this module will not integrate.
Installation and wiring
The 2W-BLX is an addressable module for LX-Bus connection, meaning it attaches to your XR Series panel's LX-Bus port. Exact wiring gauge, termination, and maximum run length depend on your panel's LX-Bus specifications—DMP documentation will define these parameters. As an addressable device, there is no per-zone discrete wiring; once powered and addressed on the bus, the module begins reporting its state to the panel. This reduces cabling complexity compared to traditional hardwired analog sensors, but it also means you are dependent on the LX-Bus wiring and network health for that module to communicate.
What's in the Box
The DMP 2W-BLX package contains: 1x addressable single-point module for LX-Bus connection to XR Series panels.
Frequently Asked Questions
Q: Is the 2W-BLX compatible with non-DMP panels or older DMP models?
A: No. The 2W-BLX is designed exclusively for DMP XR Series panels via the LX-Bus protocol. It will not work with other manufacturers' panels or with DMP panels that do not support LX-Bus.
Q: Can I mix 2W-BLX modules with other LX-Bus addressable devices on the same panel?
A: Yes, the LX-Bus is designed to support multiple addressable modules from the DMP product family. Each module receives a unique address, allowing your panel to manage them independently.
Q: What is the communication delay between sensor activation and panel notification?
A: Communication latency depends on LX-Bus traffic and panel processing. Consult your XR Series panel and LX-Bus documentation for typical response times; for security-critical applications, verify latency in your environment before deployment.
Q: Do I need separate power for the 2W-BLX, or does it draw from the panel?
A: The 2W-BLX draws power from the XR Series panel via the LX-Bus connection. Verify that your panel's power budget is sufficient for the total number of modules you plan to connect.
Q: What happens if the LX-Bus connection fails?
A: If the bus loses continuity, the module will no longer communicate with the panel. It is critical to design your LX-Bus topology (daisy-chain, star, or hybrid) to minimize single points of failure—consult DMP's installation guide for recommended topologies.
The DMP 2W-BLX is a straightforward addressable sensor module—no surprises, no hidden dependencies. It does one job: it mounts on your XR Series panel's LX-Bus and reports zone state. If your infrastructure is already DMP XR Series, it integrates cleanly. If not, it won't work, and no amount of configuration will change that.
Technical Highlights:
- LX-Bus addressable protocol: Each 2W-BLX occupies one address slot on the DMP LX-Bus, allowing you to deploy many modules across one panel without per-zone hardwiring—reduces cable runs and labor, but creates a dependency on bus health.
- Single-point sensor module: Detects and reports one zone state per module; if you need redundancy or multi-sensor fusion, you will need to orchestrate that logic in the panel itself.
- Panel-powered via LX-Bus: No separate 12V or 24V supply needed at the module location, but this means your panel's power budget must accommodate the total module count—confirm before over-provisioning.
Deployment Considerations:
- LX-Bus topology matters. A linear daisy-chain is simplest to wire but creates a single point of failure; star or hybrid topologies improve resilience. Plan your bus layout before installation.
- Address conflicts are easy to introduce during commissioning. Implement a labeling and documentation discipline from the start—assign addresses sequentially and log them in your access control management system.
- This module is sensor-only; credential reading and door control require separate door controller modules and card reader equipment on the same or adjacent bus.
Deploy the 2W-BLX in DMP XR Series environments where you need distributed sensor coverage without complex wiring—warehouse zoning, multi-zone access routes, or expansion of existing systems. Do not attempt to retrofit it into non-DMP panels; that waste of time will end in failure.
Product Documentation
Download DMP 2W-BLX Datasheet (PDF)
