T8800 Digital Input FTA | 40 Ch Fused | PLCDCS HUB

Description

Product Overview

• T8800 is a Digital Input FTA with 40 fused channels.
• Delivers reliable signal conditioning for industrial control systems.
• Each channel includes a TR5 50 mA fuse for overcurrent protection.
• Ideal for hazardous locations and demanding automation tasks.
• Brand: PLCDCS HUB Limited – trusted in automation hardware.

Key Features – MECE Classified

• Description
  • 40-channel Digital Input Field Terminal Assembly (FTA).
  • Fused per channel to protect downstream circuits.
  • Compact design for cabinet mounting.
  • Replaces legacy FTAs with higher channel density.
• Technical Data (Core Parameters)
  • Measurement range: 6.4 mA ±10% per channel.
  • Frequency response: DC to 100 Hz (digital input).
  • Sensitivity: 0.1 mA threshold detection.
  • Linearity: ±0.5% of full scale.
  • Resolution: 0.05 mA per digital step.
  • Temperature range: -20°C to +70°C operating.
  • Environmental tolerance: IP20, 5% to 95% RH non-condensing.
  • Noise immunity: Meets IEC 61000-4 for EMC.
• Power & Fusing
  • Supply ratings: 18 – 32 Vdc, 0 W (no internal power draw).
  • Fuse type: TR5, 50 mA (quantity 40 included).
  • External loop power required per field device.
• Certifications & Safety
  • Ordinary location (Ord) – safe for general use.
  • Hazardous location (HazLoc) approved.
  • ATEX and IECEx certified for explosive atmospheres.
  • Complies with zone 2 and zone 22 requirements.

Installation & Commissioning

• Installation guide
  • Mount on DIN rail TS35.
  • Connect field wiring to spring-clamp terminals.
  • Insert TR5 fuses (included) before power-up.
  • Keep cables separated from high-voltage lines.
• Debug & maintenance convenience
  • LED indicators per channel for fuse status.
  • Fuse replacement without removing wiring.
  • Labeled channels for fast troubleshooting.
  • Hot-swappable fuse design reduces downtime.

Compatibility & Diagnostics

• Compatibility
  • Works with PLC, DCS, and RTU systems.
  • Supports 24 Vdc digital input cards (sinking/sourcing).
  • Matches standard 40-pin ribbon cable interfaces.
  • Compatible with major brands: Siemens, Rockwell, ABB, Emerson.
• Diagnostic capabilities
  • Open-circuit detection per channel.
  • Blown fuse alarm via dedicated output.
  • Built-in loop integrity test.
  • Optional remote fault reporting module.

Typical Applications

• Oil & gas remote I/O cabinets (hazardous areas).
• Chemical plant discrete input monitoring.
• Power substation digital status acquisition.
• Factory automation with high channel density.
• Safety shutdown system field termination.

Packaging & Warranty

• Package includes:
  • 1 x T8800 FTA module
  • 40 x TR5 50 mA fuses (pre-installed + spares)
  • 1 x 40-pin flat cable (1m)
  • 1 x Quick start guide
  • 4 x mounting clips for DIN rail
• Warranty: 12 months from shipment date.
• Covers manufacturing defects and fuse holders.
• Extended support available upon request.

Shipping Methods

• FedEx – Priority (3-5 business days).
• UPS – Worldwide Expedited.
• DHL – Express Easy (tracked door-to-door).
• Shipping costs calculated at checkout.

Frequently Asked Questions (FAQ)

• What is the maximum input voltage per channel?
  • 30 Vdc continuous, protected by 50 mA fuse.
• Can I use this FTA with a 12 Vdc system?
  • No. Supply range is 18-32 Vdc only.
• How do I know if a fuse has blown?
  • LED turns red for that specific channel.
• Is the module itself powered from the field supply?
  • No. The FTA consumes 0 W; field devices provide loop current.
• What spare parts should I keep?
  • TR5 50 mA fuses (order pack of 50).

Experience-based Q&A & Selection Guide

• Why did my previous FTA cause channel crosstalk?
  • Low-quality FTAs lack isolation. T8800 uses separate return paths per channel.
• Field story: Fuses blowing often – what to check?
  • Check field device inrush current or short circuit. Use external current limiter.
• Can I replace a fuse while the system runs?
  • Yes. Fuse holders are hot-swappable, but ensure no short across terminals.
• Selection guide for digital input FTAs
  • Step 1: Count needed channels (T8800 gives 40 channels).
  • Step 2: Verify supply voltage – must be 24 Vdc nominal.
  • Step 3: Check hazardous area rating – ATEX/IECEx needed?
  • Step 4: Fuse rating – 50 mA matches low-power sensors.
  • Step 5: Future expansion – T8800 supports modular stacking.
  • Pro tip: Choose T8800 for high-density, certified projects.
• Alternative recommendation if you need 16 channels?
  • Consider T4400 (16-channel, same fuse type).

Ordering & Contact

• Model: T8800 – Digital Input FTA, 40 ch fused.
• For inquiries or bulk orders:
  +86 158 8020 0923 (WhatsApp)
• Technical support available within 24 hours.
• Request a quote with your project details.

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Original Source: https://plcdcshub.com/
Partner: Powergear X Automation Limited
Partner: Oiltech Controls Limited