Foxboro PO916NG Input/Output Module

Description

Foxboro PO916NG Input/Output Module

Product Dimensions：

The Foxboro P0916NG is an FBM242 Discrete Output Module (part of the I/A Series, now under Schneider Electric). It is an “externally sourced” module, meaning the power for the output loads is provided by an external supply rather than the module itself.

Product Detailed Description

The P0916NG (FBM242) contains 16 discrete output channels. It acts as the interface between the control processor and field devices (such as solenoids, motors, or fans). Because it is externally sourced, it can handle a wide variety of field voltages depending on the Termination Assembly (TA) used. The module executes digital I/O application programs and supports ladder logic.

Technical Parameters

Product Advantages

• High Channel Density: Provides 16 channels in a single compact module, optimizing rack space in the I/A Series baseplate.
• Superior Isolation: Each output is fully isolated from other channels and from ground, preventing fault propagation across the system.
• Fail-Safe Configuration: Allows the user to configure the output state (On, Off, or Hold) in the event of a communication failure with the control processor.
• Ruggedized Construction: Suitable for installation in Class G3 (Harsh) environments, featuring an extruded aluminum exterior for physical and environmental protection.
• Hot-Swappable: The module can be removed or replaced without disturbing field wiring or shutting down the rest of the baseplate.

Important Considerations (Precautions)

• External Excitation: Since this is an “externally sourced” module, you must provide a separate power supply for the field loads. Ensure the external power is properly fused.
• Inductive Loads: When driving inductive loads (like large solenoids), it is highly recommended to install a protective diode or Metal Oxide Varistor (MOV) across the load to prevent back-EMF damage to the module.
• Voltage Limits: Do not exceed the 60 V DC limit for the module itself. For higher AC voltages (120/240 V AC), you must use a specific Relay Termination Assembly.
• Terminal Matching: Ensure the P0916NG is paired with the correct Termination Assembly (TA) cable (typically Type 4 or 4H) for reliable signal transmission.

Product Applications

The FBM242 P0916NG is widely used in Distributed Control Systems (DCS) for:

• Valve Control: Actuating on/off valves and solenoids in chemical or oil processing.
• Motor Starters: Providing start/stop signals to industrial motor control centers (MCCs).
• Alarm Systems: Driving stack lights, horns, or annunciator panels in control rooms.
• Sequence Control: Managing complex batch processes using ladder logic support within the I/O module.

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