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- P0916DD
- Termination Cable
- USA
- 5 meters
- 3 kg
- Xiamen, China
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Product Overview
The Foxboro P0916DD is an I/A Series termination cable used to connect termination hardware with associated I/A Series I/O equipment in a process-control cabinet. It forms part of the cabinet-level signal interconnection between field wiring termination and the electronic I/O section of the control system.
In an I/A Series installation, field instruments are typically wired into a termination arrangement where individual connections can be organized and identified. The P0916DD carries the corresponding electrical connections from the termination side toward the associated I/O hardware. This arrangement keeps field wiring separate from the electronic I/O equipment and simplifies service work on established control cabinets.
The P0916DD is a passive cable assembly rather than an active control or signal-processing component. Its role is to maintain the required electrical connection within the I/A Series I/O architecture. It can therefore be encountered during cabinet installation, cable replacement, system refurbishment, and maintenance of existing Foxboro process-control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | P0916DD |
| Product Type | I/A Series Termination Cable |
| Product Family | Foxboro I/A Series |
| Series | I/A Series |
| Cable Function | I/O Termination Interconnection |
| System Role | Termination-to-I/O Signal Connection |
| Interface Function | Electrical Signal Interconnection |
| Component Type | Passive Cable Assembly |
| Application | I/A Series I/O Cabinet Wiring |
| Signal Path | Termination Hardware to Associated I/O Hardware |
| System Integration | Foxboro I/A Series Control System |
| Installation | Control-System Cabinet |
| Cable Length | 5 meters |
| Shipping Weight | 3 kg |
Product Features
- I/A Series termination cable for Foxboro process-control installations
- Provides the electrical connection between termination hardware and associated I/O equipment
- Supports organized field I/O signal routing inside control cabinets
- Functions as a passive electrical interconnection
- Maintains the separation between field wiring termination and electronic I/O hardware
- Suitable for replacement of existing termination cables during maintenance
- Supports refurbishment of established Foxboro I/A Series installations
- Suitable for cabinet arrangements requiring an extended termination-to-I/O connection
- Helps preserve the original field-point wiring architecture during service work
- Applicable to industrial process-control and automation cabinets
Working Principle
The P0916DD carries the corresponding electrical connections between an I/A Series termination arrangement and the associated I/O hardware. For an input circuit, the field instrument sends its signal through the field wiring to the termination assembly. The connection then passes through the P0916DD to the I/A Series I/O interface for acquisition and subsequent processing.
Field Device → Field Wiring → Termination Assembly → P0916DD → I/A Series I/O Hardware → Control System
For an output circuit, the signal path is reversed. A command generated by the I/A Series control system passes through the I/O hardware and P0916DD to the termination arrangement and then toward the connected field device.
The cable does not independently process, condition, or interpret the signal. Those functions are performed by the associated I/A Series I/O and control hardware. The P0916DD maintains the physical electrical path required between the termination and I/O sections.
Because the cable forms part of the field-point connection path, replacement work should begin with identification of both ends and the affected I/O points. The new cable should follow the established cabinet wiring arrangement so that the original point-to-channel relationships are retained.
Role in an I/A Series Control Architecture
The P0916DD occupies the interconnection layer between the field termination arrangement and the I/A Series I/O subsystem. It allows the field wiring and termination functions to remain organized separately from the electronic I/O hardware while maintaining the required signal path.
| Control Architecture Layer | Typical Component | Relationship to P0916DD |
|---|---|---|
| Process Control | Foxboro I/A Series Controller | Executes process-control strategies |
| I/O Processing | I/A Series I/O Module | Acquires or generates process signals |
| Termination Interconnection | P0916DD | Carries electrical connections between termination and I/O hardware |
| Termination | I/A Series Termination Assembly | Organizes field wiring connections |
| Field Interface | Transmitters / Switches / Valves | Provides or receives process signals |
| Field Wiring | Instrument Cabling | Connects field devices to termination hardware |
| Process Equipment | Industrial Machinery | Generates or responds to controlled process conditions |
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Control Systems | Connects I/A Series termination arrangements with associated I/O hardware |
| Chemical Processing | Supports structured routing of field instrumentation signals |
| Oil and Gas Facilities | Maintains termination-to-I/O connections in established Foxboro cabinets |
| Power Generation | Supports field signal connections within process-control systems |
| Water and Wastewater | Provides organized instrumentation wiring between termination and I/O hardware |
| Manufacturing Plants | Used within Foxboro I/A Series automation cabinets |
| Process Instrumentation | Carries electrical connections between field termination and I/O interfaces |
| System Maintenance | Replaces existing termination cables while preserving the established I/O architecture |
Installation and Maintenance
- Verify the part number — Confirm that P0916DD is the correct termination cable for the intended I/A Series termination and I/O arrangement.
- Review system documentation — Check cabinet drawings, I/O documentation, and termination records before beginning replacement work.
- Isolate the affected I/O section — Follow the plant’s approved shutdown and electrical isolation procedure before disconnecting the existing cable.
- Identify both cable ends — Record the termination-side and I/O-side connection points and affected field points before removal.
- Inspect the replacement cable — Check the P0916DD for visible damage, contamination, deformation, or damaged connection areas.
- Remove the existing cable carefully — Disconnect the original cable without applying excessive force to the termination assembly or I/O hardware.
- Verify the routing path — Compare the intended replacement route with the original cabinet arrangement and avoid unnecessary mechanical stress.
- Install the replacement cable — Connect the P0916DD to the designated termination and I/O interfaces and verify that each connection is fully seated.
- Confirm point identification — Check the connection points against the cabinet documentation to ensure that the correct field circuits are maintained.
- Verify electrical continuity — Where required by the maintenance procedure, perform appropriate continuity checks before restoring the I/O section.
- Perform a controlled signal test — After energization, verify the affected input or output points and check for unexpected I/O diagnostics.
- Document the replacement — Record the installed cable model, cabinet location, affected I/O section, and relevant maintenance observations.
Related Components
| Component | Function |
|---|---|
| Foxboro I/A Series I/O Module | Acquires or generates process I/O signals |
| I/A Series Termination Assembly | Provides organized field wiring termination |
| I/A Series Controller | Executes process-control strategies |
| Field Wiring | Connects field instruments and final control elements to termination hardware |
| Field Transmitter | Supplies process measurement signals |
| Control Valve / Actuator | Receives control commands from the I/O system |
| I/O Cabinet | Houses termination and electronic I/O hardware |
| Cabinet Wiring Documentation | Defines the intended field-to-I/O connection arrangement |
Recommended Related Models
| Model / Product Family | Product Type | Typical Relationship |
|---|---|---|
| Foxboro P0916DB | I/A Series Termination Cable | Related P0916D termination cable configuration |
| Foxboro P0916DC | I/A Series Termination Cable | Related P0916D termination cable configuration |
| Foxboro P0916DD | I/A Series Termination Cable | Same termination cable family |
| Foxboro RH916DC | I/A Series Termination Cable | Related I/A Series termination cable |
| Foxboro I/A Series Termination Cables | Termination Cable Family | Associated cabinet-level I/O interconnection hardware |
Key Advantages
- Provides a dedicated connection between I/A Series termination and I/O hardware
- Supports organized field-signal routing within process-control cabinets
- Maintains the established Foxboro I/A Series wiring architecture
- Functions as a passive electrical interconnection
- Suitable for maintenance and replacement of existing termination cables
- Supports separation between field termination and electronic I/O hardware
Technical FAQs
What is the purpose of the P0916DD in an I/A Series cabinet?
The P0916DD provides the electrical connection between compatible I/A Series termination hardware and associated I/O equipment. It forms part of the cabinet-level path through which field signals reach the I/O system.
Does the P0916DD perform any signal processing?
No. The P0916DD is a passive termination cable. Signal acquisition, processing, output control, and control logic are handled by the connected I/A Series hardware.
What should be recorded before removing an existing P0916DD?
The termination-side connection, I/O-side connection, affected field points, and cable routing should be recorded. This information helps ensure that the replacement cable preserves the original field-to-I/O relationships.
Why is a post-installation signal test necessary?
A termination cable can be physically connected while still being assigned to an incorrect point or connection position. Checking the affected I/O channels after installation helps confirm that the intended field signals reach the correct system points and that no unexpected wiring or diagnostic issue remains.