TERTA Yokogawa Terminal Block Datasheet & Technical Manual

TERT*A Yokogawa Field I/O Terminal Block

TERT*A Yokogawa Field I/O Terminal Block

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Yokogawa TERT*A Terminal Block The Yokogawa TERT*A, also cataloged as the TERT*A Terminal Block, operates as a dedicated hardware component...

SKU: TERT*A

Manufacturer: Yokogawa
Product No.: TERT*A
Product Type: Terminal Blocks
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 4000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa TERT*A Terminal Block

The Yokogawa TERT*A, also cataloged as the TERT*A Terminal Block, operates as a dedicated hardware component for field signal marshalling and distribution within Yokogawa FIO and CENTUM VP system platforms.

Hardware Specifications

Parameter	Specification
Model	TERT*A
Brand	Yokogawa
Origin	Indonesia
Weight	4.0 kg
Dimensions	Industrial cabinet mounting standard
Operating Temp	0 deg C to 50 deg C
Power Consumption	0 W (Passive)
Channel Count	16 independent channels
Insulation Resistance	≥100 MΩ at 500 V DC
Dielectric Strength	500 V AC

Process Control and Signal Marshalling Connectivity

The TERT*A module serves as a primary passive interface for routing analog and digital signals from field instrumentation into the DCS architecture. It provides robust 16-channel connectivity, utilizing channel-to-channel isolation to prevent potential cross-talk during signal propagation. As an interface device, it supports 4-20 mA HART loop protocol paths when paired with appropriate I/O modules, ensuring that field sensor inputs remain galvanically separated from the controller logic. The internal design leverages a multi-layer contact structure to minimize contact resistance, which is critical when maintaining high-accuracy RTD measurements or sensitive analog sensor data across the field marshalling layer.

Frequently Asked Questions

Q: Does the TERTA provide active signal conditioning for incoming RTD signals? A: No, the TERTA is a strictly passive terminal interface. It provides physical connectivity and transition points for field wiring but performs no amplification, filtering, or conversion of raw sensor signals.

Q: Is the TERT*A compatible with field-side high-voltage transients?

A: The module is rated for a dielectric strength of 500 V AC. While this provides isolation for standard control signals, it is not intended to withstand direct high-voltage surges or power-side fault conditions. External surge protection devices must be installed if the application environment includes potential high-energy transients.

Field Installation Guidelines

Mounting Stability: Given the 4 kg mass of the unit, ensure the cabinet mounting rail or backplane is rated to support the weight. Secure all four corners of the block to the mounting surface to prevent vibration-induced stress on the terminal connections.
Wiring Constraints: Utilize M4 torque-controlled screwdrivers to secure field wiring. Ensure wires are stripped to the appropriate length to prevent exposed copper while maintaining full engagement with the screw clamp.
Shielding and Grounding: To maintain signal integrity, terminate all cable shields to the cabinet ground bus bar as close to the TERT*A as possible. Ensure the impedance between the terminal block common reference and the system ground is maintained at a minimal level.
Environment: Ensure the cabinet internal temperature remains within the specified 0 deg C to 50 deg C range. Avoid placement near heat-generating power components to prevent thermal degradation of the housing polymer.

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