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Foxboro P0927AQ I/A Series Power Cable Module

The Foxboro P0927AQ, also cataloged as the P0927AQ FPS Power Cable, operates as a dedicated hardware component for AC auxiliary mains power distribution within Foxboro I/A Series DCS platforms. Designed for dual-voltage 110/240 VAC power feeds, this assembly connects line power directly to Field Processor System (FPS) power modules, enabling continuous bus energization across industrial control cabinets.

Hardware Specifications

Parameter Specification
Model P0927AQ
Brand Foxboro (Invensys / Schneider Electric)
Origin USA
Weight 0.5-1.0 kg
Dimensions 6 ft Length
Operating Temp -20 to +70 deg C
Power Consumption Passive Power Conductor
Voltage Rating 110/240 VAC
System Compatibility Foxboro I/A Series FPS Power Modules
Cable Length 6 ft (1.83 m)
Humidity Range 5% to 95% RH, non-condensing
Protection Level Industrial-Grade Heavy Insulation
Mounting Internal Cabinet Routing / Plug Interconnect
Certifications UL, CSA Compliance

DCS Power Distribution and Signal Integrity

The Foxboro P0927AQ supplies isolated AC power to FPS modules powering underlying I/A Series field bus card sub-racks. While feeding primary AC voltage, internal channel-to-channel isolation within downstream FBM signal modules prevents common-mode noise from coupling back into field loop channels. Overlaid 4-20 mA HART loop protocol signals remain stable due to low thermal dissipation and shielded conductor routing inside high-density automation enclosures.

Frequently Asked Questions

Q: Can the P0927AQ power cable be connected or disconnected while the FPS power supply module is energized?

A: Technicians must isolate the main AC circuit breaker prior to connecting or disconnecting the P0927AQ power cable assembly to prevent electrical arcing across high-voltage pin terminals.

Q: How does the cable handle dual-voltage supply changes between 110 VAC and 240 VAC systems?

A: The physical cable structure supports both 110 VAC and 240 VAC line voltages without requiring internal jumpers or external voltage adapters, provided the downstream FPS power module matches incoming line levels.

Field Installation Guidelines

  1. Power Isolation: Verify that the main AC feed circuit breaker is open and tagged out before routing or terminating the cable inside the enclosure.
  2. Cable Routing: Lay the 6-foot cable assembly along designated cabinet wire ducts. Maintain a minimum distance of 12 inches between AC power cables and sensitive low-voltage analog field wiring to suppress electromagnetic interference.
  3. Connector Seating: Push the connector housing firmly into the mating header of the FPS module until internal locking tabs engage completely.

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