Qiuck Details

The T8842 Versatile Field Termination Assembly is a high-reliability industrial interface solution designed to connect field instrumentation with advanced control and safety systems in critical process environments. It is widely used in safety instrumented systems where reliable signal termination between field devices and control modules is essential.

 Features

Forty input channels per VFTA
Industry standard field device connections (3-wire)
Standard DIN rail compatibility
Simple configuration using plug-in fuses
Simple installation and connection
24V dc operation
Fused field power supply per channel
Designed for use with current sinking and sourcing field devices

Application

Large refinery plant: acts as a central termination point in complex I/O cabinets for transmitter signals, using multi-level fuse protection to prevent surge damage to critical control cards.

Chemical manufacturing plant: used for power distribution and signal conditioning, providing customized circuit protection for different current loops and ensuring safe field-level operation.

Power substation: installed near high-voltage switchgear to collect environmental monitoring data, with strong immunity against electrical noise and transient disturbances in harsh electrical environments.

Careful Customer Service

Over millions spares inventory

Fast lead times deliver uptime globally

100% brand-new and original products

Competitive prices and specific dealer discounts

Frequently Asked Questions

Q: How many fuses does the T8842 board support?
A: It supports a total of 120 fuses, including multiple fuse ratings for layered circuit protection.

Q: How strong of electrostatic discharge (ESD) shock can the T8842 withstand?
A: It can withstand up to 15kV air discharge and 8kV contact discharge for strong protection against electrostatic events.

Q: What is the recommended operating current for the T8842?
A: A stable operating level of around 220mA per channel is recommended for long-term reliability.

Q: Under what level of vibration can the T8842 base operate normally?
A: It supports operation across a wide vibration range, including up to 150 Hz with high-frequency resistance up to 1.0g.

Q: What is the input signal range supported by the T8842?
A: It is designed for standard analog loop signals within the 0–20 mA range.

Related choices for you