1、 Model and positioning
CPU2-3030D is the CPU main control board with display/keyboard of Honeywell’s NOTIFIER NFS2-3030 intelligent fire alarm controller, serving as the system’s core «brain».

CPU2-3030D: equipped with LCD display screen+QWERTY keyboard, local main operation panel.
CPU2-3030ND: No display/keyboard, only used as a network node (slave).
Machine models: JB-TG-NFS23030 (cabinet), JB-TT-NFS23030 (piano stand).
2、 Core hardware configuration
Processor: Dual core ARM Cortex-A9 @ 800MHz.
Memory/Storage: 2GB DDR3/4GB eMMC (log storage for approximately 10 years).
Display: 640 character backlit LCD (16 lines x 40 characters).
Keyboard: Full featured QWERTY programming/operating keyboard.
Indicator lights: 11 status LEDs (power, fire alarm, warning, fault, CPU abnormality, etc.) from Honeywell.
3、 System capacity and performance
Circuit (SLC): Up to 10 intelligent signal circuits.
Equipment per circuit: 159 detectors+159 modules=318 points/circuit.
Maximum address point: 3180 points/machine.
Response time:<50ms (detection → alarm output).
Logic Control: Supports 1000 Boolean logic equations and Honeywell complex linkage programming.
4、 Communication interface
Ethernet: 2xRJ45 (supports Modbus TCP/IP, system networking).
CAN bus: 4x (extended I/O, networking).
RS-485:1 × (peripherals, printers).
Serial port: EIA 232 (print), EIA 485 (audible and visual alarm) Honeywell.
5、 Electrical and Environmental
Working voltage: DC 24V ± 15% (dual power redundancy).
Power consumption: approximately 15W.
Working temperature: 0 ℃ to+49 ℃.
Protection level: IP30 (NEMA 12).
Size (W × H × D): 300 × 220 × 85mm (standard 19 inches 3U).
6、 Main functions
System control: fire alarm/fault/warning processing, linkage output (fans, fire doors, elevators).
Human machine interface: real-time status display, historical event query, programming/debugging, password permission management (for level 9 users) Honeywell.
Network networking: Multi controller networking (NFS-640/3030, AFP series), centralized management.
Redundant and reliable: dual power supply, CPU fault self diagnosis, critical data backup.
7、 Typical applications
Commercial complexes, office buildings, hotels
Data center, power/industrial plant
Rail transit, airports, hospitals
8、 Certification standards
UL 864 (9th edition), EN 54, GB 4715 certification.
Summary in one sentence: CPU2-3030D is the main control CPU with display keyboard of NFS2-3030 system, responsible for fire alarm processing, linkage control, human-computer interaction and networking, with a maximum address of 3180, suitable for medium and large high reliability fire protection scenarios.