Bidirectional Feedback RS485 Curtain Motor Hotel Guest Room Control System Wired Data Transmission
Product Overview
The GM40 RS485 version is the professional integrator's choice for commercial buildings and luxury hospitality projects. Unlike wireless consumer devices, this motor relies on a hardwired data connection to guarantee 100% command execution reliability in complex environments. It is specifically designed to communicate with Building Management Systems (BMS) and Hotel Room Control Units (RCU), providing precise, real-time data on curtain positioning. The GM40 RS485 ensures that your automated shading system is as robust and reliable as the building infrastructure itself.
Key features
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Project-Grade Stability: Utilizing the industry-standard RS485 wired protocol, the GM40 eliminates signal interference issues common in steel and concrete structures, making it ideal for large-scale deployments.
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True Status Feedback: The motor provides bidirectional communication, reporting its exact percentage (0-100%) back to the central control panel. This allows facility managers to monitor the status of every window in the building.
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Heavy Duty Performance: With a rated torque of 1.5N.m and a robust AC motor design, the GM40 can effortlessly drive heavy blackout curtains or wide customized tracks up to 50kg.
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Versatile Connectivity: Aside from RS485 data lines, it also retains dry contact ports (RJ11/RJ12 compatible) for connecting local wall switches, offering guests a traditional control option alongside the smart system.
Specifications
| Parameter |
Value |
| Model |
GM40-RS485 |
| Voltage |
AC90-240V, 50/60Hz |
| Rated Power |
35W |
| Rated Torque |
1.5N.m |
| Protocol |
RS485 Wired / Dry Contact |
| Feedback |
Bidirectional Position Status |
| Daisy Chain |
Supported |
| Protection |
IP41 / Class E Insulation |
FAQ
Q1: Is the GM40 RS485 compatible with Crestron or Control4?
A1: Yes, it uses standard serial communication commands. We provide the full hex protocol document to help integrators write drivers for any major control system.
Q2: How many wires does the installation require?
A2: You typically need a 5-core wire setup: 3 wires for power (Live, Neutral, Earth) and 2 wires for data communication (A and B).
Q3: Can I set specific open limits via the system?
A3: Yes, through RS485 commands, you can instruct the GM40 to move to any specific percentage point (e.g., "Open to 40%"), not just fully open or closed.
Q4: Do you offer custom packaging for bulk orders?
A4: Yes, for orders meeting our MOQ, we offer full OEM services. This includes printing your logo on the product label, customizing the user manual, and designing a branded color box to match your company’s identity.
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Bidirectional RS485 Curtain Electric Motor Hotel Guest Room Wired Data Transmission Images
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