Overview
The ABB NTDI01 (Bailey INFI-90 / NET-90) Digital I/O Termination Unit provides a reliable interface between field wiring and INFI-90 controllers. It handles up to sixteen individual I/O signals, enabling flexible configuration for digital inputs, digital outputs, or mixed signals.
Moreover, the NTDI01 supports multiple power types (24 VDC, 125 VDC, or 120 VAC) via its E1, E2, and E3 faston connectors. The board includes on-board fuses (F1, F2) that protect power feeds and field devices. Engineers trust this unit because it ensures signal integrity, reduces wiring complexity, and offers durable performance in industrial environments.
Specification
| Parameter | Specification |
|---|---|
| Model Number | NTDI01 |
| Manufacturer | ABB / Bailey Controls |
| Product Category | Digital Interface / Termination Unit (TDI) |
| Number of I/O Points | 16 signal sockets (XU1–XU16) |
| Terminal Blocks | 4 (TB1–TB4) for field wiring |
| Termination / Cable Socket | 1 (P1) for module connection |
| Power Types Supported | 24 VDC, 125 VDC, 120 VAC via E1/E2/E3 |
| Protection Components | Fuses F1, F2 for E1/E2 power inputs |
| Configuration Socket | XU17 for routing configuration |
| Mounting | PCB fixed to Field Termination Panel (NFTP01) inside INFI-90 cabinet |
| Wire Gauge / Wiring | Field wiring via TB1-TB4; recommended AWG range 12-22 |
| Ambient Temperature Range | 0°C to +70°C |
| Humidity (Non-condensing) | Up to 95% at ≤55°C |
FAQ
Q1: Is the NTDI01 brand new and original?
A1: Yes, all ABB NTDI01 units we supply are 100% brand new, factory-original.
Q2: Do you have the NTDI01 in stock, and what is the shipping timeline?
A2: We maintain stock. Shipping occurs within 3 days to 2 weeks depending on order quantity.
Q3: What shipping methods do you use?
A3: We usually ship via DHL, FedEx, or UPS for safe and prompt delivery.
Q4: What kind of power does the NTDI01 require?
A4: It supports 24 VDC, 125 VDC, or 120 VAC on its power inputs (E1, E2), plus ground/common (E3).
Q5: How are field signals connected and protected?
A5: Field devices connect via TB1–TB4 and XU1–XU16 sockets; fuses (F1 & F2) protect power lines (E1/E2).
Manual/Datasheet PDF
1
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