ABB NTDI02 Digital I/O Termination Unit Description

Description

The NTDI02 termination unit is a seven-by-seven inch square

printed circuit board. The board contains:

• Two fuses.

• 16 programmable dipshunts.

• 16 user configurable jumpers.

• Four terminal strips.

• One cable socket.

• Two power source Faston connectors.

• One system common Faston connector.

Instruction Content

This instruction contains the following sections:

Introduction

Provides an overview of the NTDI02 termination unit.

Installation

Explains the physical installation, wiring and cable

requirements, fuse requirements, dipshunt settings, jumpers

settings and handling of the termination unit.

Maintenance Contains a maintenance schedule.

Repair and Replacement

Explains how to replace the termination unit.

Dipshunt and Jumper Settings

Provides detailed diagrams for dipshunt and jumper settings

for specific modules.

How to Use this Instruction

Read this instruction in sequence. It is important to become

familiar with the entire contents of this instruction before

using the termination unit. Refer to a specific section for infor

mation as needed.

1. Perform the steps in the installation section.

2. Refer to the maintenance section for scheduled mainte

nance requirements.

3. Refer to the repair and replacement procedures to replace

a termination unit.