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ABB MTAC-01, Руководство пользователя

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5

Safety

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.

Содержание MTAC-01

Страница 1: ...ABB Drives User s Manual Pulse Encoder Interface Module MTAC 01 ...

Страница 2: ......

Страница 3: ...Pulse Encoder Interface Module MTAC 01 User s Manual 3AFE68591091 REV B EN EFFECTIVE 04 04 2006 2006 ABB Oy All Rights Reserved ...

Страница 4: ......

Страница 5: ...nd 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 te...

Страница 6: ...6 Safety ...

Страница 7: ...w 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 ...

Страница 8: ...8 Table of contents ...

Страница 9: ...oder 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 A B Z GND Vin Vout ...

Страница 10: ...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 p...

Страница 11: ... Note Correct insertion and tightening of the screw is essential for fulfilling the EMC requirements and proper operation of the module 7 Install the possible control panel or panel cover on the MTAC 01 module 5 6 4 3 ...

Страница 12: ...to the drive ground SCR Vin Vcc PWR Connected to the external power supply Vout Vcc PWR Connected to the encoder GND 0 V GND One connected to the ground of the external power supply and the other to the ground of the encoder GND A 1 A A Max signal frequency 200 kHz Signal levels Decision levels are automatically defined based on the daisy chained power supply voltage level Input channels are isola...

Страница 13: ...r to Phasing on page 14 to determine if the encoder has normal pulse order encoder channel A 1 pulse leads channel B 2 pulse Refer to Encoder output types on page 15 to determine the encoder s output type For push pull types refer to the manufacturer s recommendation for connection either single ended or differential can be used Loads using the drive s 24 VDC supply mA Number of digital inputs use...

Страница 14: ...peed feedback Option A Oscilloscope test On incremental encoders the two output channels usually marked A and B or 1 and 2 are 90 electrical apart from each other When rotated clockwise most encoders but not all have channel A 1 leading channel B 2 as illustrated below Determine the leading channel by referring to the encoder documentation or by measuring with an oscilloscope The encoder output ch...

Страница 15: ...forward direction Verify that parameter 0147 MECH REVS is increasing in the positive direction If not switch the A A or 1 1 connections Encoder output types The following diagrams identify the typical encoder output types Push pull Open collector sinking Open emitter sourcing VCC Encoder input power supply voltage RL Load resistor at encoder output channel OUT VCC OUT VCC RL OUT VCC RL ...

Страница 16: ...ctions Encoder A 1 and B 2 should be wired to MTAC terminals B and A respectively Encoder A 1 and B 2 if present should be wired to MTAC terminals B and A respectively Differential connection A 1 B 2 1 1 0 0V VCC 2 2 0 SCR 1 A A B B Z Z MTAC 01 module 1 Connect the cable shield at the encoder housing if and only if the encoder is isolated from the motor and from the ground Encoder power supply SCR...

Страница 17: ...nnection 1 Connect the cable shield at the encoder housing if and only if the encoder is isolated from the motor and from the ground 1 0 0V VCC 2 SCR 1 A A B B Z Z MTAC 01 module Encoder power supply SCR Vin GND Vout GND SCR Encoder ...

Страница 18: ...terminals B and A respectively A 1 B 2 1 0 0V VCC 2 SCR 1 A A B B Z Z MTAC 01 module 1 Connect the cable shield at the encoder housing if and only if the encoder is isolated from the motor and from the ground 2 Three identical resistors whose size depends on the encoder power supply Vin Vout Vin 30 V RL 2 7 3 0 kohm 0 5 W Vin 24 V RL 1 8 2 2 kohm 0 5 W Vin 15 V RL 1 0 1 5 kohm 0 5 W Vin 5 V RL 390...

Страница 19: ...s Encoder A 1 and B 2 should be wired to MTAC terminals B and A respectively A 1 B 2 1 Connect the cable shield at the encoder housing if and only if the encoder is isolated from the motor and from the ground 2 Three identical resistors whose size depends on the encoder power supply Vin Vout Vin 30 V RL 2 7 3 0 kohm 0 5 W Vin 24 V RL 1 8 2 2 kohm 0 5 W Vin 15 V RL 1 0 1 5 kohm 0 5 W Vin 5 V RL 390...

Страница 20: ...e feedback from the encoder You cannot set these values directly but you can use group 50 ENCODER parameters to control the mechanical angle and revolution data No Name Value Description FbEq 1 01 OPERATING DATA 0146 MECH ANGLE Calculated mechanical angle 1 1 0147 MECH REVS Mechanical revolutions i e the motor shaft revolutions calculated by the encoder 1 1 0148 Z PLS DETECTED Encoder zero pulse d...

Страница 21: ...bles the encoder 1 5003 ENCODER FAULT Defines the operation of the drive if a failure is detected in communication between the pulse encoder and the pulse encoder interface module or between the module and the drive FAULT FAULT The drive trips on fault ENCODER ERROR 1 ALARM The drive generates alarm ENCODER ERROR 2 5010 Z PLS ENABLE Enables the encoder zero Z pulse Zero pulse is used for position ...

Страница 22: ...I 5 Digital input DI5 pulses When a pulse is detected the counter value increases by 1 1 ENC W O DIR Encoder pulse edges When a rising or a falling edge is detected the counter value increases by 1 2 ENC WITH DIR Encoder pulse edges The direction of rotation is taken into account When a rising or falling edge is detected and the direction of rotation is forward the counter value increases by 1 Whe...

Страница 23: ...wing Note The validity of the encoder signal is also checked during the ID run See parameter 9910 MOTOR ID RUN If the drive detects an encoder problem during the ID run the drive generates an alarm Parameter 5003 ENCODER FAULT controls the drive s fault alarm response to encoder errors only after the ID run is completed CODE FAULT ALARM 1 CAUSE WHAT TO DO 0023 ENCODER ERR 7301 0306 bit 6 Communica...

Страница 24: ...chnical data Technical data Dimensions Module dimensions are shown in the figure below Degree of protection The degree of protection of MTAC 01 is IP20 UL open 63 2 48 46 1 81 70 2 77 118 4 63 3AFE68580064 A ...

Страница 25: ...tion of the SCR terminals of the drive and the MTAC 01 module Specifications Module specifications The MTAC 01 module supports three channels CH A CH B CH Z includes pass through terminals to connect an external power supply required to the pulse encoder has all of its materials UL approved Channel specifications Channel specifications differential or single ended maximum input frequency 200 kHz i...

Страница 26: ...26 Technical data ...

Страница 27: ......

Страница 28: ...rs 16250 West Glendale Drive New Berlin WI 53151 USA Telephone 262 785 3200 800 HELP 365 Fax 262 780 5135 ABB Limited Daresbury Park Daresbury Warrington Cheshire WA4 4BT UNITED KINGDOM Telephone 44 1925 741111 Fax 44 1925 74121 ABB Beijing Drive Systems Co Ltd No 1 Block D A 10 Jiuxianqiao Beilu Chaoyang District Beijing P R China 100015 Telephone 86 10 5821 7788 Fax 86 10 5821 7618 Internet http...

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