The Yokogawa STB4D-10, also cataloged as the STB4D Pressure Clamp Terminal Block, is a compact and reliable terminal block designed for digital I/O applications in dual‑redundant configurations. Unlike the STB4D‑00, this model includes a surge absorber, providing enhanced protection against transient voltages.
Hardware Specifications
Manufacturer: Yokogawa
Product No.: STB4D-10
Product Type: Pressure Clamp Terminal Block
Channel Capacity: 16‑ or 8‑channel (ISA Standard G3)
Suffix Codes 1: 1 = With surge absorber
Suffix Codes 2: 0 = Always 0
Application: Digital I/O (dual‑redundant configuration)
Weight: 0.4 Kg
Shipping Weight: 1.5 Kg
Features
Dual‑Redundant Design: Supports digital I/O in redundant system configurations.
Surge Protection: Built‑in surge absorber safeguards against transient voltage spikes.
ISA G3 Compliance: Ensures durability and environmental resistance in industrial settings.
Compact & Lightweight: 0.4 Kg design for easy installation and maintenance.
Reliable Connectivity: Pressure clamp terminals provide secure, vibration‑resistant wiring.
Frequently Asked Questions (FAQ)
Q: What distinguishes the STB4D‑10 from the STB4D‑00? A: The STB4D‑10 includes a surge absorber, while the STB4D‑00 does not.
Q: What is the primary application of the STB4D‑10? A: It is used for digital I/O in dual‑redundant configurations within Yokogawa control systems.
Q: How heavy is the terminal block? A: The unit itself weighs 0.4 Kg, with a shipping weight of 1.5 Kg.
Field Installation Guidelines
Mount the STB4D‑10 securely within the designated rack or panel.
Ensure proper wiring using pressure clamp terminals for vibration resistance.
Maintain separation between signal and high‑voltage wiring.
Verify redundancy configuration during commissioning.
Perform continuity checks to confirm secure connections.
