STB4D-00 YOKOGAWA CENTUM Series Datasheet & Technical Manual

YOKOGAWA STB4D-00 CENTUM Pressure Clamp Terminal Board

YOKOGAWA STB4D-00 CENTUM Pressure Clamp Terminal Board

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YOKOGAWA STB4D-00 CENTUM Series Terminal Board Configured for structured signal interfacing and channel distribution in CENTUM VP and ProSafe-RS control...

SKU: STB4D-00

Manufacturer: Yokogawa
Product No.: STB4D-00
Product Type: Pressure Clamp Terminal Blocks
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA STB4D-00 CENTUM Series Terminal Board

Configured for structured signal interfacing and channel distribution in CENTUM VP and ProSafe-RS control platforms, the YOKOGAWA STB4D-00 (STB4D Pressure Clamp Terminal Block) provides direct physical/electrical execution. The hardware establishes secure junction points that route field instrument wiring through a dual-redundant architectural layout. By organizing signal paths across integrated termination channels, the board enables continuous transmission of field sensor metrics directly to upstream input/output processing modules across the system network infrastructure.

Hardware Specifications

Parameter	Specification
Model	STB4D-00
Brand	YOKOGAWA
Origin	Japan
Weight	0.4 kg
Dimensions	65.6 mm x 72 mm x 114 mm
Operating Temp	-20 to +70 deg C
Power Consumption	Not Specified
Product Type	Pressure Clamp Terminal Blocks
Channel Configuration	16 channels standard or 8 channels dual-redundant
Connection Type	Pressure-clamp terminal block
Rated Voltage	24 VDC
Rated Current	10 A
Mounting	DIN rail or wall mount
Compliance	EN 61000-6-2 EMC standards

Distributed Control System Process Instrumentation Tracking

The terminal board incorporates internal physical pathways designed to maintain the electrical integrity of 4-20 mA HART loop protocol connections. Channel-to-channel isolation circuits prevent cross-talk and limit unexpected common-mode voltage faults from affecting adjacent measurement loops. For applications requiring direct temperature sensor inputs, the termination assembly relies on localized cold junction compensation (CJC) reference networks embedded directly in the pressure clamp block, allowing accurate voltage scaling during ambient temperature fluctuations without external compensation hardware.

Frequently Asked Questions

Q: How does the hardware maintain signal continuity when an active I/O module is extracted from the system?

A: The board splits each incoming field sensor circuit into dual-redundant trace paths linked to separate system cable headers. When an engineer removes one connected I/O module, the parallel physical circuit maintains full signal loop loop loading without dropping field data.

Q: Can the pressure clamp mechanisms accept stranded field wires without metal wire ferrules?

A: Yes, the spring-loaded pressure clamps apply continuous mechanical force to secure either solid or stranded bare copper conductors. To verify a low-resistance gas-tight connection, ensure the insulation strip length matches standard installation dimensions.

Q: What indicates whether the specific variant incorporates the optional integrated EMC surge absorber?

A: The presence of integrated surge protection depends on the precise production suffix marked on the component label. Units built for high-exposure environments integrate transient voltage suppression components directly across the 24 VDC rails to clamp incoming spikes.

Field Installation Guidelines

DIN Rail Earth Bonding: Clip the terminal board securely onto a standard 35 mm DIN rail. Verify that the internal metal grounding spring establishes a direct, unpainted connection with the rail to clear electrical noise.
Shield Grounding Matrix: Connect all incoming twisted-pair instrument cable shields to a dedicated copper ground bar positioned inside the cabinet base. Never connect the shield wire to the active signal positions on the terminal block.
Separation of Conductors: Route all low-voltage analog signal lines inside separate wire ducting. Maintain a minimum physical space separation of 200 mm between the signal ducts and high-power AC supply distribution lines.
Wire Insertion Inspections: Verify that no loose conductor strands extend beyond the pressure clamp block body after tightening to eliminate the risk of intermittent short circuits between adjacent measurement channels.

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