Fireye Nexus Integrated Parallel Positioning Controller – NX6100

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The Fireye Nexus® NX6100 Integrated Parallel Positioning Controller combines flame safeguard, burner management, and parallel positioning into a single compact platform. Designed for commercial and industrial burners, the NX6100 provides precise air/fuel ratio control, built-in safety sequencing, and flexible communications for modern combustion systems.

Features & Benefits

Integrated flame safeguard and parallel positioning in one controller
Supports fully metered and parallel positioning combustion systems
High-resolution servo control for fuel and air actuators
Graphical display with plain-text diagnostics and fault history
Built-in valve proving, purge timing, and safety interlocks
Reduced wiring and panel space compared to discrete systems
Modbus communications for integration with PLCs and BMS systems

Model Overview

NX6100 – Integrated flame safeguard and parallel positioning combustion controller
Designed for single-burner applications requiring precise air/fuel control
Supports multiple actuator configurations for gas and air control
Configurable via onboard display or PC-based tools

Technical Specifications

Power supply: 120 VAC, 50/60 Hz
Integrated flame safeguard sequencing
Parallel positioning control for air and fuel servos
Modbus RTU communications
Graphical LCD operator interface
Onboard diagnostics, alarms, and event history
UL, FM, and CE approved (application dependent)

Applications

Packaged boilers
Process heaters
Thermal oxidizers
Industrial furnaces
Commercial and industrial combustion systems requiring parallel positioning

Nexus NX6100 Accessories

The Nexus® NX6100 platform supports a wide range of accessories, sensors, interfaces, and operator displays to expand system functionality and tailor performance to specific combustion applications.

NXC Servo Motors – High-precision servo motors designed for air and fuel valve positioning in NX6100 parallel positioning systems.
Oxygen Probe – In-situ oxygen measurement probe used for excess oxygen monitoring and trim control applications.

Nexus NX6100 Sensors & Transmitters

BLPS Pressure Sensor – Low-pressure sensor for combustion air or gas pressure feedback.
TS350 & TS752 Temperature Sensors – Temperature sensors for process and combustion temperature measurement.
FXIATS-140 Air Temperature Transmitter – Air temperature transmitter providing analog feedback for combustion compensation.
PXMS-K Pressure Transmitter – Pressure transmitter for gas, air, or process pressure monitoring.
NX102x Gas Pressure Sensors – Gas pressure sensors designed specifically for Nexus-integrated combustion systems.
NX103x Steam Pressure Sensors – Steam pressure sensors for boiler and steam system feedback.
NX104x Boiler Temperature Sensors – Boiler water temperature sensors for closed-loop temperature control.
NXIATS Ambient Air Temperature Sensor – Ambient air temperature sensor used for combustion compensation and efficiency optimization.

Nexus NX6100 Interfaces & Expansion Modules

NXDBMB Modbus RTU Interface – Communication module enabling Modbus RTU connectivity to PLCs and building management systems.
NXDBVSD Variable Speed Drive Interface – Interface module for direct integration with variable speed drives.
NXESI120 External Servo Interface – Expansion module allowing control of additional external servo motors.
NXEXP300 Water Level Control – Expansion module providing boiler drum and water level control functionality.
PMSTR-6000 Plant Master – Plant-level master controller for coordinating multiple Nexus-controlled burners.

Nexus NX6100 Displays

NXTSD104 Touchscreen – Full-color touchscreen display for advanced system monitoring, setup, and diagnostics.
NX6220 & NX6330 Key-Pad Display – Keypad-style operator displays providing system status, alarms, and configuration access.