Honeywell FTA-T-21 Fail-Safe Digital Input Module

Overview

The FTA-T-21 is a fail-safe digital input module designed for Honeywell process control systems. It provides reliable monitoring of critical digital signals, ensuring safe operation by detecting faults and abnormal conditions in industrial automation applications.

General Information

Part Number: FTA-T-21

Manufacturer: Honeywell / USA

Series: FTA

Module Type: Fail-Safe Digital Input Module

Mounting: Panel or DIN rail installation within Honeywell control systems

Technology: Redundant input channels with fail-safe circuitry and LED diagnostics

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: 3 W typical

Input Protection: Overvoltage and short-circuit protection for each channel

Indicators: Individual channel LEDs and module status LED

Communication & Interface

Communication Ports: System bus interface for integration with Honeywell controllers

I/O Channels: Multiple digital inputs

Input Type: Discrete digital signals

Diagnostics: LED monitoring for input activity and module health

Operator Interface: Visual feedback for channel status and faults

Reset Features: Supports controller or system-initiated reset

Environmental

Operating Temperature: 0 to 55 °C

Storage Temperature: −20 to +85 °C

Humidity: 5% to 95% RH, non-condensing

Vibration Resistance: Meets industrial standard requirements

Protection Rating: IP20, suitable for enclosed industrial cabinets

Dimensions & Weight

Dimensions (L × W × H): 92 × 71 × 58 mm

Weight: 0.5 kg

Unbeatable Value!