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Johnson Controls J-NCA Network Control Annunciator
General Description
The NOTIFIER-NCA is an intelligent network display controller for the N-NET network, compatible with the N-6000 fire alarm controller (versions V2.10 and above). The N-NCA supports system control and status display for all selected nodes on the network. The Notifier N-NCA controller has a 320×240 pixel LCD backlit display, multiple fixed-function keys, and a QWERTY full keyboard. When the N-NCA network display controller is networked with the N-6000 fire alarm controller, the N-NCA can display system network status and historical records.
Supports the network masking function for individual or multiple N-6000 hosts.
Supports system point control output/shutdown for N-6000 in the network.
Supports reading events for device points and linked zones in the N-6000 network.
Full network confirmation, silencing, and resetting.
Supports local lamp testing function.
Historical record caching (500 current events; 9999 system events).
Supports N-NCA historical record printing function.
Host password function.
Enhanced status reading and alarm event display.
New historical record filtering function for easy event queries. All times, alarm events, fault events, and supervisory events.
Network node mapping system.
Power supply status monitoring.
Technical Specifications of J-NCA Feature | Specification
Model Number | J-NCA
Display Type | 640-character backlit LCD
Input Voltage | 24 VDC
Current Draw | 200 mA (maximum)
Alarm Indication | Visual (LED) and audible (buzzer)
Communication Protocol | Supports various fire alarm communication
standards Dimensions | 12 x 8 x 3 inches
Weight | 3 lbs
Detailed Features of J-NCA
Backlit LCD Display: Provides clear visibility of alarm status and system information, even in low-light conditions.
Soft and Hard Keys: Facilitates easy navigation through menus for quick access to settings and information.
Alarm History Logging: Records past alarms for review and analysis, aiding in system maintenance and compliance.
Configurable Settings: Allows customization of alarm thresholds and response protocols based on specific operational needs.
Durable Construction: Designed to endure challenging environments, ensuring longevity and reliability.
Applications of J-NCA The Johnson Controls
J-NCA is suitable for a variety of applications, including:
Commercial Buildings: Monitors fire alarm systems in offices, retail spaces, and public areas to ensure safety compliance.
Industrial Facilities: Manages alarms in manufacturing plants, warehouses, and distribution centres where rapid response is critical.
Educational Institutions: Provides monitoring solutions for schools and universities, enhancing safety for students and staff.
Healthcare Facilities: Ensures prompt alarm management in hospitals and clinics, protecting patients and personnel from fire hazards.
Standard Installation Workflow
Preparation: Ensure that all power sources are disconnected before installation begins.
Mounting Location: Select a suitable location on a wall or panel that allows easy access to the display.
Wiring Connections: Connect the power supply and communication lines according to the wiring diagram in the installation manual.
Secure the Unit: Attach the annunciator to the mounting surface using the appropriate screws or brackets provided.
Power Up and Test: Reconnect power, check the display functionality and perform tests to ensure all alarms are correctly monitored.
Related Part Numbers & Cross-Navigation
JNCA-1: Standard alternative variant for network control configuration.
JNCA-2: Enhanced version supporting advanced node communication.
JNCA-R: Red-enclosure variant designed for specific fire safety aesthetic requirements.
Frequently Asked Questions (FAQ)
Q1: What fire alarm controllers are compatible with the Johnson Controls J-NCA? A: It is compatible with the N-6000 fire alarm controller (versions V2.10 and above) over the N-NET network.
Q2: What is the power supply requirement for the J-NCA annunciator? A: It operates on an input voltage of 24 VDC with a maximum current draw of 200 mA.
Q3: How many historical records can the unit cache? A: It supports historical record caching for up to 500 current events and 9,999 system events.
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