FC-TSDI-1648 Honeywell 48V DC 16-Channel Digital Input FTA

Honeywell FC-TSDI-1648 Digital Input FTA

The FC-TSDI-1648 from Honeywell is a 48V DC Field Termination Assembly for industrial applications. It provides secure digital input interfacing for Class I, Division 2 hazardous locations. This 16-channel module features advanced short-circuit protection for maximum reliability.

Product Overview

• The FC-TSDI-1648 connects system cables to field devices with screw terminals.
• It features sixteen digital input channels in a compact design.
• Positive Temperature Coefficient (PTC) resistors prevent channel loss during shorts.
• The module supports redundant configurations with SDI-1648 module pairs.
• Universal snap-in design allows quick DIN rail mounting.
• Secure screw terminals ensure reliable field wiring connections.

Technical Specifications

• Brand: Honeywell
• Model: FC-TSDI-1648
• Input Channels: 16 channels
• Weight:0.63kg
• Input Voltage: 48 V DC with -15% to +15% range
• Input Current: ≤ 8 mA at 48 V DC nominal
• PTC Resistance: 1900 Ω ±25% at 25°C
• PTC Steady Current: 17 mA ±35% at 48 V DC typical

Installation Details

• Compact dimensions: 90 × 70 × 58 mm
• Mounts on standard TS32/TS35 DIN rails
• Uses only 91 mm of rail space
• Accepts wires up to 2.5 mm² (AWG 14)
• Requires 7 mm strip length for proper connection
• Terminal tightening torque: 0.5 Nm

Safety Features

• Certified for Class I, Division 2 hazardous locations
• PTC current limiting protects all 16 channels during short circuits
• Robust design ensures reliable operation in harsh environments
• Multiple safety approvals including UL, CSA, and CE

Packaging and Shipping

• Includes one FC-TSDI-1648 FTA module
• Professional protective packaging prevents damage
• Worldwide shipping via FedEx, UPS, and DHL

Frequently Asked Questions

• How does the short-circuit protection work?
  The PTC resistor limits current to prevent total channel loss during short circuits.
• What is the operating voltage range?
  It operates at 48V DC with a -15% to +15% voltage tolerance.
• Can this module be used in redundant systems?
  Yes, it is compatible with redundant pairs of SDI-1648 modules.
• What wire size is recommended?
  Use wires up to 2.5 mm² (AWG 14) for optimal performance.