Yokogawa NFBU200-S05 STARDOM FCN-500 Basic Module

Disponibilidad: 20 Quedan en stock

Yokogawa NFBU200-S05 FCN-500 Base Module The Yokogawa NFBU200-S05, also cataloged as the NFBU200 Base Module, operates as a dedicated hardware...

Código: NFBU200-S05

Manufacturer: Yokogawa
Product No.: NFBU200-S05
Product Type: Programmable Logic Controllers
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1900g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa NFBU200-S05 FCN-500 Base Module

The Yokogawa NFBU200-S05, also cataloged as the NFBU200 Base Module, operates as a dedicated hardware component for structural power distribution and system backplane bus routing within Yokogawa STARDOM FCN-500 autonomous controller architectures. Installed in a 19-inch rack or standard DIN-rail frame, the physical assembly holds hot-swappable power supplies and CPU cards, establishing high-speed internal bus links and managed power delivery across local I/O expansion slots.

Suffix Breakdown & Model Matrix

Suffix Code	Specification	Functional Description
NFBU200	Base Model	FCN-500 Base Module (Bus backplane frame)
-S	Standard Type	Standard operational environment and backplane layout
0	Single / Basic Slot Config	Basic hardware topology without integral explosionproofing
5	Extended Feature Option	Fanless housing design with conformal coating

Hardware Specifications

Parameter	Specification
Model	NFBU200-S05
Brand	Yokogawa
Origin	Japan
Weight	1.9 kg net
Dimensions	19-inch rack standard / DIN-rail footprint
Operating Temp	0 to +55 deg C
Power Consumption	0.4 A at 5 VDC (Backplane logic current draw)
Cooling Method	Natural convection (Fanless design)
Protection Class	IP20
Backplane Isolation	Galvanic isolation between field slots and internal bus logic
System Compatibility	STARDOM FCN-500 (Field Control Node)

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration

The NFBU200-S05 backplane routing tracks incorporate isolated power distribution paths designed to eliminate ground loops between internal CPU logic and field-side analog modules. When I/O cards executing 4-20 mA HART loop protocol signals or precise cold junction compensation (CJC) measurements are mounted onto the base unit, the internal backplane architecture enforces galvanic isolation between bus tracks and field wiring. This structural channel-to-channel isolation prevents high-frequency switching noise and common-mode transients from corrupting critical analog process telemetry.

Frequently Asked Questions

Q: Does the NFBU200-S05 base module support online replacement of installed CPU or power supply units?

A: Yes. The internal backplane power distribution tracks and signal connectors feature pre-charge pins that support hot-swapping redundant modules without interrupting power or communication on active channels.

Q: How is the chassis grounded to prevent noise coupling across high-speed bus lines?

A: The backplane frame integrates a dedicated functional earth (FE) terminal on the structural housing. Field technicians must bond this ground connection directly to the cabinet main earth bar using low-impedance copper grounding straps.

Q: What mounting options exist for securing the NFBU200-S05 inside a control panel?

A: The chassis natively supports direct 19-inch rack-mount installation via side brackets or standard heavy-duty DIN-rail mounting using rear retaining clips.

Field Installation Guidelines

Earthing Infrastructure: Connect the base chassis grounding lug to functional earth (FE) before inserting logic cards to guarantee electrostatic discharge (ESD) protection during maintenance.
Thermal Ventilation Clearance: Maintain a minimum vertical clearance of 50 mm above and below the base unit within the enclosure to allow unobstructed natural air convection through the fanless chassis.
Slot Connector Protection: Keep protective dust covers installed over unused module slots to protect internal backplane edge connectors from airborne contaminants and metal dust.
Cable Strain Relief: Anchor field power and communications cabling to external cabinet tie bars so mechanical stress is not transmitted directly to the backplane module connectors.

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