Product Description

Model Definition

• 5130: TDC 3000/UCN DCS series.

• 4728: Digital Input FTA with galvanic isolation.

• 325: 32 channels, non‑coated PCB, crimp terminals, CE compliant, supports redundancy.

Technical Specifications

• Channels: 32 digital input channels.

• Signal Types: 24 VDC dry contact / active signals; 120 VAC (with MTL 4013 barrier).

• Isolation: 250 VAC RMS galvanic isolation (field‑to‑system).

• Terminals: Crimp‑style (field); 50‑pin ribbon connector (system).

• Input Ratings: 10.5 Vdc max, 14 mA Isc max, 800 Ω min source resistance.

• Operating Temperature: -20°C to +60°C.

• Storage Temperature: -40°C to +70°C.

• Humidity: 5%–95% non‑condensing.

• PCB Coating: Non‑conformal coated.

• Certifications: CE, UL, CSA, RoHS.

• Form Factor: Size B (307 mm), weight approx. 1.8 kg.

Interface and Communication Configuration

• System Side: Connects to digital input IOPs (e.g., MC‑PDI02, 51304446‑150) via 50‑pin ribbon cable.

• Field Side: 32 crimp terminals for discrete devices (switches, relays, proximity sensors).

• Isolation: Full galvanic isolation eliminates ground loops and transient voltages.

• Redundancy: Supports dual‑module redundancy for high‑availability architectures.

• Protocol: Passive FTA; no independent protocol. All processing/diagnostics via IOP and DCS.

Core Functions

• Provides 32‑channel isolated digital input termination for 24 VDC/120 VAC field devices.

• 250 VAC isolation protects DCS from noise, spikes, and ground faults.

• Non‑coated PCB for clean, dry industrial environments.

• Internal filtering and surge protection improve signal integrity and reliability.

• Crimp terminals ensure vibration resistance and consistent connections.

• Drop‑in compatible with TDC 3000/TPS/UCN/Experion PKS; hot‑swap capable.

Application Scenarios

• Systems: Honeywell TDC 3000, TPS, UCN, Experion PKS DCS.

• Industries: Oil & gas, chemical, power, pharmaceutical, pulp & paper, general manufacturing.

• Field Devices: Limit switches, pressure switches, level switches, proximity sensors, relay contacts.

• Installation: Control room cabinets, clean/dry industrial panels (non‑corrosive, low dust).

Usage and Maintenance Instructions

Usage

• Mount in standard DCS cabinet with clearance for wiring and airflow.

• Connect 50‑pin ribbon cable to matching IOP; seat and lock firmly.

• Crimp field wires to terminals per polarity; avoid over‑crimping.

• Power on DCS, check for fault alarms, and verify input status before commissioning.

Maintenance

• Maintain clean, dry, ventilated environment.

• Inspect crimps and cables quarterly for tightness, corrosion, or damage.

• Clean only with dry soft cloth—no liquids or abrasives.

• Store spares in anti‑static bags in cool, dry area.

• Use ESD protection during handling; do not disassemble.