AFF50D-H41101 Yokogawa Field Control Unit

AFF50D-H41101 Yokogawa CENTUM VP Duplex Field Control Unit

AFF50D-H41101 Yokogawa CENTUM VP Duplex Field Control Unit

Availability: 10 left in stock

Yokogawa AFF50D-H41101 CENTUM VP Field Control Unit The Yokogawa AFF50D-H41101, also cataloged as the AFF50D Duplexed Field Control Unit, operates...

SKU: AFF50D-H41101

Manufacturer: Yokogawa
Product No.: AFF50D-H41101
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 8000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AFF50D-H41101 CENTUM VP Field Control Unit

The Yokogawa AFF50D-H41101, also cataloged as the AFF50D Duplexed Field Control Unit, operates as a dedicated hardware component for central logic execution and I/O coordination within Yokogawa CENTUM VP control platforms.

Suffix Breakdown & Model Matrix

The complete model and suffix string AFF50D-H41101 defines a specific hardware build for the Field Control Unit:

AFF50D: Base model code for Duplexed Field Control Unit (for Vnet/IP).
-H: Basic processing execution layout with dual VR5432 CPUs.
4: Dual-redundant 100-120 VAC power supply specification.
1: Standard unit configuration without specialized interface modifications.
1: Basic functional setup.
01: Option code designating specific system firmware revision and memory expansion parameters.

Hardware Specifications

Parameter	Specification
Model	AFF50D-H41101
Brand	Yokogawa
Origin	Japan
Weight	8.00 kg
Dimensions	186 x 228 x 130 mm
Operating Temp	0 to +60 deg C
Power Consumption	200 VA (at 100-120 VAC)
Processor	Dual VR5432 (133 MHz)
Main Memory	32 MB with battery backup (up to 72 hours)
System Communication	Dual-redundant Vnet/IP network interface
Expansion Bus	Dual-redundant ESB bus interface
Mounting	Standard 19-inch rack format

DCS Process Control & Network Connectivity

The AFF50D-H41101 unit executes deterministic real-time control algorithms across dual 133 MHz VR5432 microprocessors arranged in a hot-standby pair. Communication controllers pass data packets over redundant Vnet/IP network lines while maintaining channel-to-channel isolation to block stray electrical noise. Downstream expansion racks interface via dual ESB bus connections, providing high-speed access to remote I/O signals. Integrated power supply modules isolate the central CPU backplane from incoming AC line transients, and dedicated battery circuits backup main memory registers during total utility power outages to maintain process states.

Frequently Asked Questions

Q: How does the duplex CPU setup perform failover during a central processor failure?

A: The standby CPU runs in hardware lockstep; upon detecting a primary CPU fault through hardware diagnostics, control transfers to the backup processor within microseconds without bump or output cycle disruption.

Q: How long does the internal battery backup hold memory data during power failures?

A: The fully charged battery unit maintains 32 MB main memory retention for up to 72 hours under standard thermal ambient conditions.

Q: Can maintenance teams replace a faulty power supply module while the Field Control Unit remains operational?

A: Yes, in dual-redundant power configurations, technicians can hot-swap a single power supply module while the surviving power card handles the internal 24 VDC and 5 VDC system loads.

Field Installation Guidelines

Mount the 19-inch cabinet chassis into standard rack frames using four M6 panel screws tightened to 4.5 Nm.
Connect dual AC power feeders from independent circuit breakers to the primary and secondary power terminals to ensure redundant supply paths.
Attach dedicated green/yellow ground conductors (minimum 5.5 mm2) directly from the frame ground chassis terminal to the cabinet functional earth bus bar.
Secure Vnet/IP coaxial or CAT6e communication cables with cable strain relief clamps, maintaining a minimum bend radius of 75 mm inside wire raceways.
Leave at least 1 U (44.45 mm) of open ventilation space above and below the controller housing to allow adequate vertical convection cooling across the internal heatsinks.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.