Introduction to HONEYWELL FTA-T-21

FTA-T-21 Product Overview

FTA-T-21 Technical Specifications

• Product Model: FTA-T-21
• Product Type: Terminal Connection Module (FTA-series Field Terminal Assembly)
• Core Functions: Provide reliable terminal wiring for field devices; Distribute and transmit analog/digital signals; Offer surge protection and anti-EMI capability; Facilitate signal isolation between field and control system; Simplify wiring management and maintenance
• Interface Specifications: Terminal Quantity: 21 channels; Signal Type: Compatible with 4-20mA analog signals and digital signals; Connection Type: Screw terminal (compatible with 0.5-2.5mm² wires); Signal Isolation: 2500VAC electrical isolation
• Power Supply: No external power supply required (passive module); Powered by signal loop
• Protection Features: Surge protection (up to 6kV); Over-voltage protection; Short-circuit protection; Anti-EMI design; Reverse polarity protection
• Environmental Limits: Operating Temperature: -40°C to +70°C; Storage Temperature: -40°C to +85°C; Relative Humidity: 5% – 95% (non-condensing); Vibration Resistance: 10g (10-500Hz)
• Mechanical Details: Mounting Type: DIN rail mounting (35mm standard rail); Protection Rating: IP20; Dimensions (L×W×H): Approx. 110mm × 75mm × 35mm; Net Weight: Approx. 0.2kg
• Compatibility & Certifications: Seamless integration with Honeywell DCS systems and I/O modules; Complies with IEC 61010-1 standard; CE and RoHS Compliant

Recommended Honeywell Same-Series Models

1. HONEYWELL FTA-T-16: 16-channel terminal connection module for basic field signal wiring
2. HONEYWELL FTA-T-24: 24-channel terminal connection module with expanded wiring capacity
3. HONEYWELL FTA-AI-8: 8-channel analog input terminal module for high-precision signal acquisition
4. HONEYWELL FTA-DO-16: 16-channel digital output terminal module for control signal transmission
5. HONEYWELL FTA-R-4: 4-channel relay output terminal module for heavy-load field device control
6. HONEYWELL FTA-ISO-12: 12-channel isolated terminal module with enhanced signal isolation capability
7. HONEYWELL FTA-TC-8: 8-channel thermocouple input terminal module for temperature signal conversion
8. HONEYWELL FTA-RTD-6: 6-channel RTD input terminal module for resistance temperature sensor connection
9. HONEYWELL FTA-DI-32: 32-channel digital input terminal module for large-scale switching signal collection
10. HONEYWELL FTA-AO-8: 8-channel analog output terminal module for stable 4-20mA signal transmission
11. HONEYWELL FTA-SP-10: 10-channel surge protection terminal module for harsh environment applications
12. HONEYWELL FTA-COMM-4: 4-channel communication terminal module for fieldbus signal wiring
13. HONEYWELL FTA-T-10: 10-channel compact terminal module for limited space installation
14. HONEYWELL FTA-MIX-16: 16-channel mixed signal terminal module for analog/digital signal integration
15. HONEYWELL FTA-TERM-40: 40-channel high-density terminal module for large-scale control systems