STB4D-10 Yokogawa CENTUM Series Datasheet & Technical Manual

STB4D-10 Yokogawa CENTUM Pressure Clamp Terminal Block

STB4D-10 Yokogawa CENTUM Pressure Clamp Terminal Block

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Yokogawa STB4D-10 CENTUM Series Terminal Board The Yokogawa STB4D-10, also cataloged as the STB4D Pressure Clamp Terminal Block, operates as...

رمز المنتج: STB4D-10

Manufacturer: Yokogawa
Product No.: STB4D-10
Product Type: Pressure Clamp Terminal Blocks
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa STB4D-10 CENTUM Series Terminal Board

The Yokogawa STB4D-10, also cataloged as the STB4D Pressure Clamp Terminal Block, operates as a dedicated hardware component for physical signal termination and channel distribution within CENTUM VP and ProSafe-RS control networks. Configured for high-density signal distribution, the hardware provides direct physical/electrical execution of field wiring connections to upstream input/output modules. The component routes discrete loop circuitry through a dual-redundant architecture, accommodating up to 16 channels or 8 channels in redundant configurations, ensuring continuous operational continuity at the physical layer without signal line interruption.

Hardware Specifications

Parameter	Specification
Model	STB4D-10
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 Capacity	16 or 8 channels (dual-redundant)
Connection Type	Pressure-clamp terminal block
Rated Voltage	24 VDC
Rated Current	10 A
Surge Protection	Optional EMC surge absorber
Compliance	EN 61000-6-2 EMC standards
Mounting	DIN rail or wall mount

Process Control Terminal Array Characteristics

The terminal board integrates hardwired termination paths engineered to interface with 4-20 mA HART loop protocol physical circuits. Dedicated internal trace layouts provide localized channel-to-channel isolation, minimizing transient electrical cross-talk and protecting adjacent signaling pairs from common-mode voltage faults. For specialized temperature transmitters, the assembly incorporates passive cold junction compensation (CJC) reference junctions directly on the physical termination block, ensuring thermal measurement tracking accuracy during environment-induced temperature excursions.

Frequently Asked Questions

Q: How is dual-redundant signal routing electrically maintained on this terminal board?

A: The physical board architecture routes each field signal channel through parallel trace matrices connected to separate multi-pin system cable headers. This layout allows two independent I/O modules to interface with the exact same field loops concurrently without loading down the signal paths.

Q: Under what conditions should the optional EMC surge absorber version be deployed?

A: The surge absorber variant must be specified when field wiring runs through outdoor areas or high-exposure industrial zones subject to lightning strikes, power switching transients, or severe electromagnetic interference that exceeds standard EN 61000-6-2 testing levels.

Q: Can the pressure clamp terminals accept solid and stranded field wires without modifications?

A: Yes. The pressure clamp mechanical assembly exerts direct, continuous spring pressure onto the bare conductor wire. Ensure the wire strip length matches factory installation tolerances to secure a low-resistance gas-tight physical connection.

Field Installation Guidelines

DIN Rail Mounting Stability: Snap the terminal board onto a standard 35 mm DIN rail, verifying that the metal grounding clip firmly engages the bare metal of the rail. Secure end brackets on both sides to prevent lateral shifting.
Shield Grounding Matrix: Terminate all incoming twisted-pair field shields directly to the chassis earth grounding bar located adjacent to the block. Do not connect the loop shields to the terminal block signal terminals.
Wiring Entry Practices: Dress all field cables neatly inside plastic wire ducts. Maintain a minimum separation distance of 200 mm between low-voltage signal wires entering this board and parallel high-voltage AC electrical lines.
Terminal Engagement: Verify that no stray copper strands remain exposed outside the pressure clamp frame after inserting and securing the field wire to eliminate potential short circuits between adjacent channels.

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