STA4D-00 S2 | Yokogawa | ProSafe-RS Analog Termination

Yokogawa STA4D-00 S2 Terminal Block Module 16-Channel Redundant

Product Description

The STA4D-00 S2 (STA4D-00) is a high-density pressure clamp terminal block module engineered for Yokogawa’s ProSafe-RS safety instrumented systems and CENTUM DCS platforms. This module functions as the critical physical interface between field instrumentation and analog I/O modules, specifically optimized for dual-redundant configurations. By facilitating secure, vibration-resistant wire terminations, the STA4D-00 S2 (STA4D-00) ensures signal integrity for 16-channel analog loops.

To protect sensitive system electronics from field-side transients, the STA4D-00 S2 (STA4D-00) integrates built-in surge absorbers. Its pressure clamp design eliminates the need for specialized lugging, reducing installation time while maintaining high contact reliability in corrosive or high-vibration industrial environments. This module is a standard requirement for SIL-rated safety loops in upstream oil and gas, chemical refineries, and power generation facilities where fault tolerance is mandatory.

Detailed Technical Specifications

The STA4D-00 S2 (STA4D-00) is manufactured to precision standards for safety-critical data acquisition:

• Manufacturer: Yokogawa

• Model Number: STA4D-00

• Suffix Code: S2

• Product Type: Pressure Clamp Terminal Block

• System Compatibility: ProSafe-RS (Safety), CENTUM DCS

• Configuration Support: Dual-Redundant Analog I/O

• Number of Channels: 16 Channels

• Wiring Method: Pressure Clamp (Screwless)

• Surge Protection: Integrated surge absorbers per channel

• Withstand Voltage: 500 V AC (for 1 minute)

• Insulation Resistance: ≥ 100 MΩ (at 500 V DC)

• Operating Temperature: -10 °C to +55 °C

• Storage Temperature: -40 °C to +85 °C

• Humidity Range: 5% to 95% RH (non-condensing)

• Dimensions: 17.8 cm × 4.6 cm × 24.9 cm

• Weight: 1.9 kg (Shipping weight 2.2 kg)

• Certifications: CE, TÜV (SIL 3 compatible systems), UL, CSA

• Country of Origin: Japan