ABB S200-TB3 Terminal Base Unit

Description

ABB S200-TB3 Terminal Base Unit

The ABB S200-TB3 is a specialized accessory module designed for the System 800xA / S200 I/O system. It serves as a 3-wire termination unit (terminal base) that facilitates electrical connections and signal distribution between field devices (sensors, actuators) and I/O modules in industrial automation environments.

Product Overview & Key Technical Parameters

Key Advantages

• Hot-Swapping Support: Allows I/O modules to be replaced or inserted while the terminal base remains powered, minimizing system downtime during maintenance.
• Streamlined 3-Wire Wiring: Eliminates the need for external distribution blocks when connecting 3-wire sensors or transmitters (Signal + 24V DC + GND).
• Compact Footprint: Reduces panel cabinet space requirements through high-density terminal layout.
• Modular Expandability: Snaps easily onto DIN rails and bridges power and communication automatically across adjacent bases via integrated bus lines.
• High Reliability: Engineered for harsh industrial environments with robust mechanical keying to prevent mis-insertion of incorrect I/O modules.

Primary Applications

• Distributed Control Systems (DCS): Used within ABB System 800xA architecture for plant-wide automation.
• Process Automation: Oil & Gas, Chemical plants, Water/Waste Water treatment, and Power Generation facilities.
• Factory Automation: Manufacturing lines requiring dense field-device interface connections.
• Field Sensor & Actuator Interfacing: Connecting 3-wire proximity switches, transmitters, control valves, and relays directly to I/O racks.

Important Precautions & Guidelines

• Proper Grounding & Shielding: Ensure the terminal base is grounded according to ABB System 800xA installation standards to prevent EMC issues or signal noise.
• Voltage & Current Limits: Do not exceed the maximum rated current (10A) per power group to avoid thermal overload and damage to internal bus traces.
• Module Matching: Verify that the I/O module keying matches the S200-TB3 configuration before plugging into the base to prevent pin damage.
• De-energize Before Rewiring: While I/O modules support hot-swapping, field signal wiring on the screw terminals should be adjusted while power is isolated to prevent short circuits.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：