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- Foxboro
- RH923DG
- DC Input Terminal Block Cable
- USA
- 0.8 meters
- 3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Foxboro RH923DG is an I/A Series DC input terminal block cable used with the FPS400-24 P0922YC power supply. It connects the DC input terminal block to the power supply, forming the incoming power connection for compatible Foxboro control-system installations.
The RH923DG has a specified cable length of 0.8 meters, making it suitable for cabinet layouts where the terminal block and power supply are installed within a short wiring distance. It is distinct from cables that distribute the power supply’s 24 V DC output to fieldbus module baseplates. Selecting the correct cable function is important because the input and output connections serve different electrical interfaces.
The RH923DG supersedes the legacy P0923DG designation. When replacing an older cable, verify the installed power-supply model and terminal-block arrangement to ensure that the replacement matches the intended connection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Foxboro |
| Model | RH923DG |
| Legacy Model | P0923DG |
| Product Series | I/A Series |
| Product Type | DC Input Terminal Block Cable |
| Compatible Power Supply | FPS400-24 P0922YC |
| Connection Function | DC input terminal block to power supply |
| Cable Length | 0.8 meters |
| Shipping Weight | 3 kg |
Product Features
- DC input connection: Links the designated input terminal block to the compatible power supply.
- 0.8-meter cable length: Supports compact control-cabinet arrangements.
- Defined cable function: Separates the incoming power connection from downstream power-distribution wiring.
- Legacy part-number relationship: RH923DG supersedes P0923DG for the specified connection arrangement.
- Foxboro I/A Series integration: Supports compatible FPS400-24 power-supply installations.
- Serviceable cable assembly: Allows replacement of the interconnection cable without fabricating a new cable in the field.
- Part-number identification: Helps maintenance teams distinguish the DC input cable from other I/A Series power and signal cables.
Working Principle
The RH923DG carries the DC input connection between the designated terminal block and the P0922YC power supply. Once the connectors are correctly installed, the cable establishes the intended electrical path that allows the power supply to receive its input.
The cable does not perform voltage regulation or power conversion. Those functions belong to the power supply. Its role is to maintain the electrical connection between the correct interfaces, so the cable designation and terminal assignments must match the installed equipment.
During installation, technicians should verify the cable identity, connector condition and wiring arrangement before restoring power. The input cable should not be confused with the separate output cables that connect the power supply to fieldbus baseplates.
Role in a Foxboro I/A Series Power Architecture
The RH923DG serves as an input-side interconnection component in the Foxboro FPS400-24 power architecture. It connects the DC input terminal block to the P0922YC power supply, while separate cables carry the supply’s output power to compatible baseplates.
| System Component | Function | Relationship to the RH923DG |
|---|---|---|
| Foxboro RH923DG | Connects the DC input terminal block to the power supply | Provides the incoming power cable connection |
| Foxboro P0922YC FPS400-24 | Converts its input power into the required 24 V DC output | Receives input through the designated terminal block and cable |
| DC Input Terminal Block | Provides the incoming DC power connection | Connects to the power supply through the RH923DG |
| Incoming DC Power Source | Supplies electrical energy | Feeds the terminal block according to the system wiring design |
| Power-Supply Output Cable | Distributes 24 V DC to compatible baseplates | Performs a separate downstream connection |
| Fieldbus Module Baseplate | Provides mounting and electrical interfaces for fieldbus modules | Receives power through the designated output-distribution cable |
| Fieldbus Modules | Interface field signals with the control system | Operate within the configured I/O subsystem |
| Control Cabinet | Houses and organizes power and control equipment | Provides cable routing and mounting infrastructure |
Industrial Applications
| Application | Power Connection Requirement | Role of the RH923DG |
|---|---|---|
| Foxboro I/A Series Control Cabinets | DC input connection to the P0922YC power supply | Connects the terminal block and power supply |
| Process Automation Systems | Organized power wiring for control-system equipment | Supports the specified input-power arrangement |
| Oil and Gas Control Installations | Maintainable connections within process-control cabinets | Provides the designated DC input cable link |
| Chemical Processing Facilities | Defined connections between incoming DC power and supply hardware | Supports power-supply input wiring |
| Power Generation Control Systems | Organized DC power connections for control equipment | Connects compatible input-side power hardware |
| Water and Wastewater Automation | Power integration within industrial control cabinets | Supports the specified P0922YC connection |
| Control Cabinet Refurbishment | Replacement of legacy power-input cables | Provides the corresponding replacement for P0923DG |
| Industrial Maintenance and Repair | Restoration of a damaged input connection | Re-establishes the connection when RH923DG is the specified cable |
Installation and Maintenance
- Verify the cable part number: Confirm that RH923DG is the specified cable for the installed P0922YC power-supply arrangement.
- Check the terminal-block configuration: Ensure the input terminal block matches the intended DC power connection.
- Isolate the power source: Follow site electrical isolation and lockout procedures before disconnecting or replacing the cable.
- Inspect the connectors: Check for bent contacts, corrosion, contamination or damaged connector housings.
- Confirm interface compatibility: Ensure that both cable ends match the designated connection points without forcing or modifying the connectors.
- Verify terminal assignments: Check the applicable wiring information before reconnecting the input-power circuit.
- Route the cable correctly: Avoid sharp bends, crushing, excessive tension and contact with hot surfaces or moving equipment.
- Keep cabinet wiring organized: Route the cable so it does not obstruct access to the power supply or adjacent components.
- Secure the connection: Ensure connectors and retaining hardware are properly seated and secured.
- Avoid incorrect cable substitution: Do not use a power-supply-to-baseplate cable in place of the DC input terminal block cable.
- Inspect before energizing: Check the cable jacket, connector seating and routing before restoring power.
- Record replacement details: Document the installed RH923DG part number and any wiring or connector issues found during maintenance.
Related Components
| Component | Function | Relationship to the RH923DG |
|---|---|---|
| Foxboro P0922YC FPS400-24 | 24 V DC-input power supply | Compatible power-supply model for this input cable arrangement |
| Foxboro P0923DG | Legacy DC input terminal block cable designation | Superseded by RH923DG |
| Foxboro RH923DH | Shorter DC input terminal block cable | Provides a 0.4-meter alternative for compatible installations |
| Foxboro P0923DH | Legacy designation for the shorter DC input cable | Superseded by RH923DH |
| DC Input Terminal Block | Connects incoming DC power to the supply | Mates with the input cable connection |
| Foxboro RH926KK Series | Power-supply-to-baseplate cable family | Used for downstream power distribution, not as a direct input-cable substitute |
| Foxboro RH923NG | Power-distribution Y-cable | Provides additional output connections in compatible FPS400 installations |
| Fieldbus Module Baseplate | Provides electrical interfaces for fieldbus modules | Receives power through a designated output cable |
Recommended Related Models
| Model | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Foxboro RH923DG | I/A Series DC Input Terminal Block Cable | Main product | 0.8-meter cable for the P0922YC input connection |
| Foxboro P0923DG | I/A Series DC Input Terminal Block Cable | Legacy designation | RH923DG supersedes this part number |
| Foxboro RH923DH | I/A Series DC Input Terminal Block Cable | Shorter cable variant | 0.4-meter length for compatible cabinet layouts |
| Foxboro P0923DH | I/A Series DC Input Terminal Block Cable | Legacy designation | Superseded by RH923DH |
| Foxboro P0922YC | I/A Series FPS400-24 Power Supply | Associated equipment | 24 V DC input power supply |
| Foxboro RH926KK | I/A Series Power-Supply-to-Baseplate Cable | Related power cable | Used for downstream power distribution, not for the input terminal block connection |
Key Advantages
- Provides a defined 0.8-meter DC input connection for compatible P0922YC installations.
- Replaces the legacy P0923DG designation in the specified cable arrangement.
- Keeps input-power wiring distinct from downstream baseplate power distribution.
- Supports organized cabinet wiring and maintenance replacement.
- Uses a specific part number to help reduce cable-selection errors.
Technical FAQs
Which Foxboro power supply is associated with the RH923DG?
The RH923DG is specified for connecting the DC input terminal block to the FPS400-24 P0922YC power supply. The cable should be selected according to the installed power-supply and terminal-block configuration.
What is the difference between RH923DG and RH923DH?
Both are DC input terminal block cables for the P0922YC arrangement, but their lengths differ. RH923DG is 0.8 meters, while RH923DH is 0.4 meters. The correct choice depends on the cabinet layout and required routing distance.
Can RH923DG be used to connect the power supply to a fieldbus baseplate?
No, it serves the input connection between the DC terminal block and the power supply. A designated power-supply-to-baseplate cable is required for downstream output distribution.
Is RH923DG the same cable designation as P0923DG?
RH923DG supersedes the legacy P0923DG designation for the specified DC input terminal block connection. When replacing a cable in an existing installation, verify the power-supply model and connection arrangement rather than relying on the part-number relationship alone.