Honeywell - FS-TSDI-1624C Safe Digital Input FTA

Honeywell FS-TSDI-1624C Safe Current-Limited Digital Input FTA

Core Technical Specifications

• Brand: Honeywell
• Model: FS-TSDI-1624C
• Category: Safe Digital Input FTA (Field Termination Assembly)
• Type Numbers: FS-TSDI-1624C, FC-TSDI-1624C
• Input Channels: 16 channels, organized in two groups of 8.
• Input Voltage: Rated for 24 V DC with a -15% to +30% range.
• Approvals: Certified to CE, TUV, UL, CSA, and FM standards.
• Dimensions: Compact size: 170 mm × 70 mm × 60 mm (L × W × H).

Electrical Input & Protection Features

• Input Current: Typically ≤ 15 mA per channel at 24 V DC.
• Igniting Current: Limited to < 100 mA per channel at maximum voltage.
• Fuse Protection: Each group of 8 channels has a 250 mA fuse on the common + line.
• Fuse Details: SOC SHV12 250 mA fuse, rated for 400 V AC/DC.
• Max Output per Fuse: Limited to 175 mA for safety compliance.

Mounting, Wiring & Physical Data

• Mounting: Universal snap-in design for DIN EN rails (TS32/TS35).
• Rail Length Used: Occupies 171 mm of rail space.
• Terminal Specifications: Screw terminals accept wires up to 2.5 mm² (AWG 14).
• Strip Length: Prepare wire ends to 7 mm (0.28 in).
• Torque: Tighten terminals to 0.5 Nm (0.37 ft-lb).

Safety Specifications for Hazardous Locations

• Compliance: Designed for Class I, Division 2 hazardous areas.
• Field Circuit Limits (Non-Incendive):
  • Max Closed Loop Resistance: 250 Ω
  • Min Open Loop Resistance: 15 kΩ
• HYDROGEN (Group A & B) Environment:
  • Max Loop Inductance: 8 mH
  • Max Loop Capacitance: 0.3 µF
• NON-HYDROGEN (Group C & D) Environment:
  • Max Loop Inductance: 22 mH
  • Max Loop Capacitance: 7 µF

Frequently Asked Questions (FAQ)

• Q: What does "current-limited" mean for this FTA?
  A: It uses 250 mA fuses to limit current, preventing ignition in hazardous (Class I Div 2) locations.
• Q: What safety modules does this FTA connect to?
  A: It is designed to connect to a redundant pair of SDI-1624 safe digital input modules.
• Q: What is the input voltage for the TSDI-1624C?
  A: It is designed for standard 24 V DC field input signals.
• Q: Are the fuses user-replaceable?
  A: Yes, the 5x20 mm 250 mA fuses are replaceable for maintenance.
• Q: What is your return policy?
  A: We support 30-day returns for items in original condition.

For further technical details or specific application questions, please contact us. sales@nex-auto.com | +86 153 9242 9628

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