STA4S-00 Yokogawa Terminal Module | New & Original Stock

Pressure Clamp Terminal Module | Yokogawa STA4S-00

Pressure Clamp Terminal Module | Yokogawa STA4S-00

Availability: 10 left in stock

Yokogawa STA4S-00 Terminal Module The Yokogawa STA4S-00, also cataloged as the STA4S Terminal Module, operates as a dedicated hardware component...

SKU: STA4S-00

Manufacturer: Yokogawa
Product No.: STA4S-00
Product Type: Bus Terminal Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa STA4S-00 Terminal Module

The Yokogawa STA4S-00, also cataloged as the STA4S Terminal Module, operates as a dedicated hardware component for field signal termination and power distribution within Yokogawa Centum CS3000 and CS1000 DCS platforms. Configured with screw pressure clamp terminals, the unit executes direct physical wiring connections to supply regulated 24 VDC system power and distribute field instrument signals to Field Control Units (FCUs) and I/O subsystems.

Suffix Breakdown & Model Matrix

The base module code defines the mechanical interface and hardware style revision:

STA4S: Base terminal module model designation for pressure clamp signal termination.
-00: Standard base hardware revision code without specialized options.
Style S1: First-generation physical terminal block construction revision.

Hardware Specifications

Parameter	Specification
Model	STA4S-00 / STA4S
Brand	Yokogawa
Origin	Japan
Weight	0.5 kg
Dimensions	120 mm x 28 mm x 90 mm
Operating Temp	0 to +55 deg C
Power Consumption	~120 VA (Input)
Input Voltage	100-120 VAC or 220-240 VAC
Output Voltage	24 VDC
Output Current	Up to 5 A
Isolation Type	Galvanic input-to-output isolation
Connection Type	Pressure clamp screw terminals

4-20 mA HART Loop Protocol and Channel Isolation

The pressure clamp terminal interface provides isolated signal routing paths between field instrumentation and sub-rack I/O cards. High-density galvanic isolation channels isolate individual 4-20 mA HART loops, preventing common-mode voltage spikes and ground potential loops from penetrating backplane logic. The terminal block structure preserves signal purity during high-frequency digital HART communication overlays, maintaining channel-to-channel signal integrity across distributed field wiring loops.

Frequently Asked Questions

Q: How do technicians wire field conductors to the STA4S-00 pressure clamp terminals?

A: Install stripped, ferruled wire conductors directly into the pressure clamp openings, tightening terminal screws to standard torque limits to ensure low-resistance electrical contact and vibration immunity.

Q: Does the STA4S-00 support dual power supply redundancy across terminal points?

A: Yes. The module architecture accommodates parallel dual 24 VDC input feeds, enabling diode-isolated redundant power distribution across connected I/O sub-racks.

Q: Can the STA4S-00 terminal module be disconnected without removing backplane bus cabling?

A: Field engineers can unbolt and detach the front terminal block assembly independently, allowing module replacement without disturbing fixed field wiring harnesses.

Field Installation Guidelines

Mount the assembly vertically onto standard rack mounting rails, securing all retaining screws to lock the housing into place. Strip conductor leads to specified strip lengths and secure them into the pressure clamp terminals, taking care not to leave exposed wire strands. Route field cables through designated cabinet wireways, bonding wire shield braids directly to the cabinet ground bar with copper grounding straps to minimize high-frequency noise interference.

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.