ABB MTAC-01 User manual

ABB Drives

User’s Manual

Pulse Encoder Interface Module

MTAC-01

Pulse Encoder Interface Module

MTAC-01

User’s Manual

3AFE68591091 REV B

EFFECTIVE: 04.04.2006

Safety

Overview

This chapter states the general safety instructions that must be

followed when installing and operating the MTAC-01 Pulse

Encoder Interface module.

The material in this chapter must be studied before attempting any

work on, or with, the unit.

In addition to the safety instructions given below, read the

complete safety instructions of the specific drive you are working

on.

General safety instructions

WARNING! All electrical installation and maintenance work on the

drive should be carried out by qualified electricians.

The drive and adjoining equipment must be properly grounded.

Do not attempt any work on a powered drive. After switching off

the input power, always allow the intermediate circuit capacitors

5 minutes to discharge before working on the drive, the motor or

the motor cable. It is good practice to check (with a voltage

indicating instrument) that the drive is in fact discharged before

beginning work.

The motor cable terminals of the drive are at a dangerously high

voltage when input power is applied, regardless of motor

operation.

There can be dangerous voltages inside the drive from external

control circuits even when the drive input power is shut off.

Exercise appropriate care when working on the unit. Neglecting

these instructions can cause physical injury or death.

Safety

Table of contents

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table of contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Preparing for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Installing the module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

01 OPERATING DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

50 ENCODER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

19 TIMER & COUNTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Faults/Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table of contents

Installation

Preparing for installation

MTAC-01 module

The MTAC-01 Pulse Encoder Interface module is an interface for

connecting a digital pulse encoder to an ACS350 drive. A pulse

encoder should be used if accurate speed or position (angle)

feedback from the motor shaft is required.

Module layout

Compatibility

The MTAC-01 module is compatible with all ACS350 drives. To

confirm compatibility with a particular pulse encoder, compare the

pulse encoder requirements to Specifications on page 25.

SCR

GND

Vin

Vout

Installation

Installing the module

Delivery check

The MTAC-01 module package contains:

• MTAC-01 module

• grounding stand-off

• panel port adapter

• this manual.

Mounting

WARNING! Follow the safety instructions given in this manual and

in the ACS350 User’s Manual [3AFE68462401 (English)].

To mount the MTAC-01 module:

1. If not already off, disconnect the input power from the drive.

After disconnecting the input power, wait for 5 five minutes

before you start working on the drive.

2. Remove the possible control panel or panel cover from the

drive.

3. Remove the grounding screw in the top left corner of the drive’s

control panel slot and install the grounding stand-off in its place.

4. Ensure that the panel port adapter is attached to either the

panel port of the drive or the mate part of the MTAC-01 module.

5. Gently and firmly install the MTAC-01 module to the drive’s

panel slot directly from the front.

Note: Signal and power connections to the drive are automatically

made through a 6-pin connector.

6. Ground the module by inserting the screw removed from the

drive in the top left corner of the MTAC-01 module. Tighten the

screw.

Table of contents

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