Dukungan Pengembalian Dana, Layanan 7X24jam, Hubungi kami .
Hubungi kami: +86 135 995 07613
Tersedia pada hari kerja antara pukul 09.00 hingga 18.00
Email kami: sales2@industriaxplc.com
Tersedia 24/7 untuk pertanyaan dan dukungan
Keterangan
Yokogawa STB4S-00 Pressure Clamp Terminal Block
The Yokogawa STB4S-00, also cataloged as the STB4S Pressure Clamp Terminal Block, operates as a dedicated hardware component for field wiring termination and digital signal interfacing within ProSafe-RS and CENTUM I/O connection architectures. The unit provides pressure-clamp based electrical connection between field devices and associated digital I/O modules.
Suffix Breakdown & Model Matrix
The provided documentation identifies STB4S-00 as a fixed model designation. No official suffix decoding or option matrix is specified. Documentation indicates that the STB4S-00 version is supplied without an integrated surge absorber, while the related STB4S-10 variant includes surge protection circuitry.
Hardware Specifications
Parameter
Specification
Model
STB4S-00
Brand
Yokogawa
Product Type
Pressure Clamp Terminal Block
Configuration
Single (Non-redundant)
Application
Digital Input / Digital Output
Wiring Method
Tool-free pressure clamp connection
Channel Capacity
8-channel or 16-channel configuration depending on connected I/O module
Compatible Modules
SDV144, SDV531, SDV541
Surge Protection
Not equipped with surge absorber
Weight
Approx. 0.2 kg
Environmental Standard
ISA G3
Mounting Environment
Industrial control cabinet installation
Channel-to-Channel Isolation Considerations
The STB4S-00 functions as a passive termination interface and does not perform signal conditioning, protocol conversion, or channel isolation. Channel-to-channel isolation characteristics are determined by the connected I/O module architecture. The terminal block provides a direct field wiring interface through pressure-clamp contacts, maintaining electrical continuity between field circuits and digital I/O channels.
Frequently Asked Questions
Q: Does the STB4S-00 contain an integrated surge absorber? A: No. The STB4S-00 is supplied without a built-in surge absorber. Documentation identifies the STB4S-10 as the corresponding surge-protected variant.
Q: Which I/O modules can be connected to the STB4S-00? A: The terminal block is commonly associated with Yokogawa digital I/O modules including SDV144 digital input modules and SDV531 or SDV541 digital output modules.
Q: Does the terminal block require an external power supply? A: The STB4S-00 operates as a passive field termination component. No dedicated power consumption specification is provided in the available documentation.
Field Installation Guidelines
Verify terminal block compatibility with the installed digital I/O module before wiring.
Ensure field conductors are fully inserted into the pressure-clamp terminals before energizing circuits.
Separate signal wiring from high-voltage power conductors to minimize electrical interference.
Follow cabinet grounding practices specified by the control system installation standard.
Inspect conductor insulation to prevent exposed wire strands from contacting adjacent terminals.
Confirm terminal identification against loop drawings and I/O allocation documents before commissioning.
Where surge protection is required by site standards, provide external surge suppression devices or utilize the appropriate surge-protected terminal block variant.
