PFCD-E5521 Yokogawa CENTUM VP Datasheet & Technical Manual

PFCD-E5521 Yokogawa PFCD Field Control Stations

PFCD-E5521 Yokogawa PFCD Field Control Stations

Disponibilidad: 20 Quedan en stock

Yokogawa PFCD-E5521 Duplexed Field Control Station The Yokogawa PFCD-E5521, also cataloged as the PFCD Duplexed Field Control Station, operates as...

Código: PFCD-E5521

Manufacturer: Yokogawa
Product No.: PFCD-E5521
Product Type: Field Control Stations
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 160g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa PFCD-E5521 Duplexed Field Control Station

The Yokogawa PFCD-E5521, also cataloged as the PFCD Duplexed Field Control Station, operates as a dedicated hardware component for real-time control logic execution and field process signal management within Yokogawa CENTUM VP control architectures.

Hardware Specifications

Parameter	Specification
Model	PFCD-E5521
Brand	Yokogawa
Origin	Japan
Weight	0.16 kg (PFCD unit)
Dimensions	Standard 19-inch rack-mount chassis (compact form factor)
Operating Temp	-20 deg C to +70 deg C
Power Consumption	200 VA (100-120 VAC), 300 VA (220-240 VAC), 9 A (24 VDC)
Processor	R4300 CPU
Memory Backup	Main memory battery-backed up to 72 hours (recharge time >= 48 hours)
System Status Contact	2 terminals (NC, C), contact rating 30 VDC at 0.3 A max (opens on FCS failure)
Communication Interface	V net bus interface (dual-redundant or single configuration)
Power Supply Options	100-120 VAC (50/60 Hz), 220-240 VAC (50/60 Hz), or 24 VDC
Field Wiring Terminals	M4 screw terminals for power supply, grounding, and contact output connections
Mounting	19-inch rack mounting (secured via 8 x M5 screws with insulation bushes)

Channel Isolation and Loop Performance

The station incorporates optical and galvanic isolation across system buses and I/O channels to mitigate common-mode noise propagation. High-speed hardware execution supports deterministic cycle times across 4-20 mA HART loops, Profibus PA, and FOUNDATION Fieldbus segments. Cold junction compensation (CJC) processing is integrated within interfacing analog input modules to ensure precision temperature measurement accuracy.

Frequently Asked Questions

Q: How is data preserved in main memory during an abrupt primary power loss? A: Main memory relies on an internal battery backup system that preserves system data for up to 72 hours, requiring a minimum 48-hour recharge period following restoration.

Q: What power source parameters are compatible with the station electrical assembly? A: The chassis accommodates 100-120 VAC, 220-240 VAC, or direct 24 VDC inputs via dedicated M4 screw terminal connections.

Q: How does the hardware communicate internal control station failures to external monitoring systems? A: The station features dedicated hardware fault contact terminals (NC, C) rated for 30 VDC at 0.3 A max that open automatically upon detecting an FCS hardware failure.

Field Installation Guidelines

Secure the 16 kg chassis into a standard 19-inch rack cabinet using 8 x M5 mounting screws along with the provided accessory insulation bushes. Route all primary AC or DC power lines, earth grounds, and status contact lines to the M4 screw terminal blocks, torquing screws securely to prevent connection fatigue. Maintain separate cable trays for V net bus communications cables and high-voltage power conduits to suppress electromagnetic interference. Verify that field conduit entries achieve a minimum engagement of 5 full NPT threads where applicable. Connect the primary system ground stud to the central cabinet earth bus using a heavy-gauge copper strap to maintain single-point ground integrity.

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