Yokogawa Electric STB4S-00 Style S2 Terminal Module

Description:

The Yokogawa STB4S-00 Terminal Module Style S2 is used a pressure clamp terminal block used for direct wiring of digital signals in Yokogawa control systems. It enables field devices to be connected directly to digital I/O modules without intermediate relay boards or signal cables, simplifying panel design and improving reliability. This version is a single configuration module without a built-in surge absorber, intended for standard industrial environments.

Applications:

The Yokogawa STB4S-00 is used in industrial automation systems to interface field devices such as switches, relays, and sensors with digital I/O modules. It is commonly deployed in oil and gas, chemical processing, LNG plants, and power generation, where organized wiring and reliable signal transmission are required. The module supports efficient panel layout and maintenance by allowing direct field wiring.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: STB4S-00 (Style S2)
• Product Type: Pressure Clamp Terminal Module
• Configuration: Single (non-redundant) terminal block
• Channels: Typically 8 or 16 channel configurations
• Surge Absorber: Not included (standard type)
• Connection Type: Pressure clamp direct wiring
• Compatibility: Digital I/O modules such as SDV144, SDV531, SDV541
• Weight: Approximately 0.2 kg
• Mounting: Installed within control panel or I/O rack
• Function: Provides interface between field wiring and I/O modules
• Environment: Designed for industrial applications with high reliability

Common Replacements:

• Yokogawa STB4S-10 (with surge absorber)
• Yokogawa STB4D-00 (dual-redundant version)
• Yokogawa SED4D / SBD4D terminal boards