Honeywell JACE-91250 Technical Specifications
General Information
Manufacturer: Honeywell (Tridium Niagara Framework)
Model: JACE-91250
Type: Advanced Building Automation Controller
Primary Use: HVAC, lighting, security, and energy management integration
Hardware Specifications
Processor & Memory
CPU: Quad-core ARM Cortex-A9 @ 1.0 GHz
RAM: 2 GB DDR3
Flash Storage: 8 GB eMMC (expandable via microSD)
Communication Ports
Ethernet: 2× 10/100/1000 Mbps (RJ45)
Serial Ports: 2× RS-485 (for BACnet MS/TP, Modbus RTU, etc.)
USB: 2× USB 2.0 (for configuration/drivers)
Wireless: Optional Wi-Fi/4G LTE module
Expansion & I/O
Slot for Expansion Modules: Supports Honeywell I/O modules (e.g., analog/digital)
Max Supported Points: ~100,000 (software-dependent)
Software & Protocols
Operating System: Embedded Linux (Niagara 4 Framework)
Supported Protocols:
BACnet (IP & MS/TP)
Modbus (TCP/RTU)
LonWorks (optional)
OPC UA/DA
MQTT (for IoT/cloud connectivity)
SNMP (network monitoring)
Performance & Capacity
Concurrent Users: Supports 50+ simultaneous connections
Alarm Capacity: 50,000+ alarms
Database Storage: 5+ years of trend data (configurable)
Power & Environmental
Power Supply: 24V AC/DC or PoE+ (Power over Ethernet)
Power Consumption: 15W (typical)
Operating Temperature: -40°C to +70°C (-40°F to +158°F)
Humidity: 10–90% non-condensing
Ingress Protection: IP30 (indoor use)
Certifications & Compliance
UL 916 (Energy Management)
CE, FCC, RoHS
BACnet BTL Listed
Cybersecurity: TLS 1.2/1.3, role-based access
Key Features
✔ High-performance edge controller for large-scale BMS
✔ Multi-protocol integration (legacy & modern systems)
✔ Cybersecurity hardened (SSL encryption, secure boot)
✔ Cloud-ready (Niagara Edge-to-Cloud)
Typical Applications:
Smart buildings
Data centers
Industrial automation
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