Product Details
The Schneider Electric MNB-1000, also cataloged as the MNB-1000 BACnet Plant Controller, operates as a dedicated hardware component for direct physical I/O execution and network routing within BACnet building automation systems. It interfaces with field instrumentation using 12 universal inputs, 4 digital inputs, 8 universal outputs, and 8 digital outputs (Triacs) while handling native BACnet/IP, BACnet Ethernet, and MS/TP protocols.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MNB-1000 |
| Brand | Schneider Electric |
| Origin | France |
| Dimensions | 213 mm x 278 mm x 58 mm |
| Operating Temp | -40 to +60 deg C |
| Power Consumption | 50 VA at 24 VAC |
| Product Type | BACnet Plant Controllers |
| Input Power | 20.4 to 30 VAC, 50/60 Hz |
| Operating Humidity | 5% to 95% non-condensing |
| Universal Inputs | 12 channels |
| Digital Inputs | 4 channels |
| Universal Outputs | 8 channels |
| Digital Outputs | 8 Triac outputs |
| Communication Protocols | Native BACnet/IP, BACnet Ethernet, BACnet MS/TP |
| Local Expansion | Sensor Link (S-Link) for remote I/O and sensor interfaces |
Ethernet Determinism and I/O Density Scaling
The MicroNet platform incorporates dual Ethernet ports to manage local network routing and deterministic traffic distribution across BACnet networks. Designed for high I/O density scaling, the MNB-1000 maintains predictable packet processing latencies during simultaneous BACnet/IP routing and MS/TP master loop token passing. Internal firmware flash compatibility ensures synchronized parameter storage across distributed control nodes without corrupting real-time physical point updates.
Frequently Asked Questions
Q: What power input range is required for the internal electronics, and how is it fused?
A: The module operates on 20.4 to 30 VAC at 50/60 Hz, drawing up to 50 VA at nominal 24 VAC. Field wiring must incorporate external protection sized for the total transformer load, including active S-Link peripheral connections.
Q: How does the S-Link interface expand hardware IO capabilities?
A: The proprietary Sensor Link (S-Link) bus allows point-to-point communication with remote sensors and room display units, offloading local universal input channels for primary mechanical equipment monitoring.
Q: Are the 8 digital outputs dry relay contacts or solid-state switches?
A: The 8 digital outputs are solid-state Triac switches designed for AC control circuits. They must be powered from an external AC source consistent with standard HVAC actuator pilot control circuits.
Field Installation Guidelines
- Mount the unit vertically inside a grounded control enclosure using standard mounting hardware through the designated mounting holes on the base plate.
- Maintain clearance surrounding the housing to allow natural convective heat dissipation across the ambient operating range of -40 to +60 deg C.
- Wire the 24 VAC power supply to the dedicated power terminals, ensuring correct transformer sizing for a minimum load of 50 VA.
- Terminate BACnet MS/TP communication wiring using shielded twisted-pair cabling. Ground the shield at one end only to prevent ground loops across network nodes.
- Connect field sensors and actuators to the universal input and Triac output terminal blocks according to the programmed WorkPlace Tech Tool point database configuration.
- Verify all low-voltage signal wiring and S-Link bus connections before energizing the 24 VAC main input terminal block.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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