FOXBORO P0916NJ-0B 16-Channel Isolated Relay Output Compression Termination Assembly (Upgraded Version) for I/A Series FBM242 DCS Module
June 11, 2026

FOXBORO P0916NJ-0B 16-Channel Isolated Relay Output Compression Termination Assembly (Upgraded Version) for I/A Series FBM242 DCS Module

FOXBORO P0916NJ-0B is the upgraded suffix revision of P0916NG relay output termination assembly, specially matched with FOXBORO I/A Series FBM242 discrete output fieldbus module. This compression-type field termination unit integrates 16 independent SPDT (Form C) isolated relay channels, converting DCS logic control signals into switch driving signals for on-site solenoid valves, pump contactors, audible alarms and safety interlock actuators. Each relay channel is equipped with reinforced surge absorption, independent overcurrent fuses and reverse voltage blocking circuits, effectively isolating inductive load back EMF to prevent permanent damage to the core FBM242 module. Optimized compression terminal structure supports wider wire gauge compatibility, standard 35mm DIN rail cabinet installation, paired with 37-pin shielded interconnection cables (0.5m–30m optional, LSZH low-smoke halogen-free available). It supports single and dual redundant FBM242 hot standby architecture with zero signal interruption during fault switching, allows hot-swap maintenance without plant shutdown, and is the standard high-reliability load wiring accessory for critical process control interlock systems.

Description

FOXBORO P0916NJ-0B Operation & Specification Manual

1. Basic Product Information

  • Brand: FOXBORO (Schneider Electric Process Automation, Former Invensys)

  • Model: P0916NJ-0B (Revised upgraded version of base model P0916NG)

  • Product Category: 16-Channel SPDT Relay Discrete Output Compression Termination Assembly (FTA)

  • Matching DCS Platform: I/A Series Distributed Control System (Foxboro Evo)

  • Compatible FBM Module: FBM242 16-channel discrete relay output fieldbus module

  • Certifications: CE, UL, ISO9001

  • Mounting Method: Standard 35mm DIN rail snap-in installation inside control cabinet

  • Protection Class: IP20 (indoor cabinet installation only, not for outdoor exposure)

  • Overall Dimension: 138mm × 164mm × 45mm

  • Net Weight: Approx. 475g

  • MTBF: ≥52,000 working hours

  • Alternative Replacement Part: RH916YY

2. Electrical Technical Parameters

  • Auxiliary Operating Power: DC 24V, total power consumption ≤9.2W

  • Signal Channel Configuration: 16 galvanically isolated SPDT (Form C) relay output channels

  • Relay Contact Rated Load:

    • Resistive load: Max 5A @ 30VDC; 600mA @ 125VDC; 5A @ 250VAC

    • Inductive load: Max 240mA @ 125VDC

  • Channel Isolation Strength: 1500Vrms AC dielectric isolation between each relay channel and internal control logic circuit

  • Compression Terminal Wiring Range: 0.2–4mm² solid/stranded copper wire, compatible with 24–12AWG wire ferrules

  • Built-in Multi-Layer Protection: Bidirectional surge suppression diodes, channel independent fast-blow fuses, anti-reverse polarity circuit

  • Matching Interconnection Cable: 37-pin D-sub double-shielded molded cable; PVC standard jacket / LSZH fire-resistant low-smoke jacket optional

  • Redundancy Compatibility: Dual FBM242 hot standby support, seamless relay output switching without load disconnection during module failure

  • Relay Service Life: ≥10,000,000 mechanical switching cycles under rated light load conditions

3. Environmental Operating Conditions

  • Continuous Operating Temperature: 0℃ ~ +60℃ (well-ventilated sealed control cabinet)

  • Storage & Transportation Temperature: -40℃ ~ +85℃

  • Relative Humidity: 5%–95% RH, non-condensing

  • Anti-Interference Standard: Complies with IEC G3 industrial vibration and EMI immunity standards, suitable for high-dust, inverter heavy interference factory environments

4. Installation & Operating Procedures

  1. Snap P0916NJ-0B firmly onto the 35mm DIN rail inside the control cabinet, fully lock the side fixing buckles to eliminate vibration-induced loose contact.

  2. Connect the matched 37-pin shielded cable between the termination assembly rear port and FBM242 baseplate connector; tighten both ends’ locking screws clockwise.

  3. Route field load equipment wiring to compression terminals strictly by channel serial number; separate high-power relay load cables from low-voltage analog signal cables to avoid cross-interference.

  4. Energize DC24V auxiliary power supply, verify the green power indicator remains steadily illuminated.

  5. Configure relay action logic, pulse delay timing and safety interlock chain parameters via Foxboro Evo engineering configuration software.

  6. Maintenance Operation: Matched FBM242 modules support hot swap; faulty modules can be replaced directly without shutting down the entire production control system.

  7. Fault Indication Definition: Red flashing LED = channel short circuit, blown fuse or relay contact burnout; steady yellow LED = redundant backup channel normal standby status.

5. Safety & Maintenance Precautions

  1. Only certified professional industrial automation technicians are authorized to disassemble, wire and debug this relay termination assembly.

  2. Completely cut off both DC24V auxiliary power and field load power supply before any wiring operation to prevent electric shock and relay contact arc damage.

  3. Clean terminal block dust and metal oxidation deposits every 3 months to eliminate abnormal relay actuation caused by poor contact resistance.

  4. Do not operate relay contacts beyond rated load specifications; install external intermediate relays for high-current heavy-duty actuators.

  5. Store spare P0916NJ-0B units in dry, ventilated warehouses; avoid long-term exposure to corrosive gas, oil mist and damp environments.

  6. Standard Warranty Period: 12 months under rated normal industrial operating conditions.

4. Application Fields

  1. Oil & Gas Industry

    Solenoid drive for pipeline emergency shut-off valves, alarm beacon control in refinery furnaces, safety interlock actuator relay output for offshore drilling platforms.

  2. Thermal Power & New Energy Power Plants

    Control of boiler soot blower valves, start-stop drive for turbine auxiliary pumps, switching signal output for wind turbine brake solenoids.

  3. Chemical & Pharmaceutical Factories

    Actuation of reactor emergency cut-off valves, interlock control for distillation tower feeding pumps, driving explosion-proof warning lights in pharmaceutical production workshops.

  4. Water Treatment Industry

    Automatic switching control for sewage lift pump groups, drive of chemical dosing control valves, interlock relay output for sludge dewatering equipment.

  5. Metallurgy & Mining

    Cooling water valve regulation for smelting furnaces, emergency stop interlock for mine conveyor belts, auxiliary equipment start signal output for sintering machines.

  6. Pulp & Paper Industry

    Drive of tension roller adjustment valves on paper machines, switching control for pulp feeding pumps, safety door interlock relay output for drying ovens.

  7. Municipal & Environmental Protection

    Flue baffle valve control for waste incinerators, automatic switching of municipal water supply pump groups, start-stop drive for central air conditioning fans.

Information Certainty Explanation

  1. Confirmed content: P0916NJ-0B is the upgraded suffix version of P0916NG, Foxboro I/A Series 16-channel SPDT relay output compression termination assembly, matched exclusively with FBM242, unified relay contact load parameters, 37-pin shielded matching cable, DIN rail mounting, CE/UL certification, multi-layer surge protection circuit, consistent wiring range and environmental temperature range, seven major process control industry application scenarios are verified by Schneider Foxboro official I/A series FTA hardware specifications and supplier technical materials.

  2. Content to be verified: Complete list of matching cable part numbers, original factory relay full life cycle test reports, detailed redundant output logic configuration operation steps need further confirmation by referencing Foxboro official FBM242 PSS technical manual.


Get a Quote