HEIDENHAIN TNC 155 Service Manual

HEIDENHAIN
DRJOHANNES HElDENHAlN GmbH
D-8225 Traunreut ‘Tel. (08669) 31-O
Subject to change (without notice)
DR. JOHANNES HEIDENHAIN GmbH is constantly working on further
developments of its TNC Controls. It is therefore possible
that details of your Control may diffu slightly from those
described herein. If that is the case, please order a suitably
revised issue of the Service Manual.
Copying/Duplication
This manual is provided subject to the condition that no part
of it shall be reproduced in any form or by any means without
our prior consent in writing.
Issue: 01/87

HEIDENHAIN TNC 155 Specifications

General

Brand	HEIDENHAIN
Model	TNC 155
Category	Controller
Language	English

Summary

Use of the Service Manual

Fault Diagnosis

Procedure for fault-finding

Steps to locate and fix faults.

Fault diagnosis for the complete installation

Diagnosing faults in the entire system.

Use of the integrated supervision system

Utilizing the system's built-in fault monitoring.

Testing of the VDU and associated circuitry

Verifying VDU and related drive circuit functionality.

Testing of the mains supply and the Power Supply Unit

Procedures for checking PSU and power supply.

Testing of the measuring systems and wiring

Diagnosing issues with measuring systems and connections.

Burn-In Test

Dynamic testing of control hardware and software.

Exchange Information

Exchanging control units

Procedures for replacing control units.

Board exchange

Procedures for swapping internal boards.

Software exchange

Information on updating or replacing software.

Replacement parts, Loan/Exchange/Service Units

Details on obtaining parts and service options.

Additional Information

Block Diagram Description

Explanation of the control system's block diagram.

Block Diagram TNC 155

Visual representation of the TNC 155 system architecture.

Wiring Diagrams

Schematics for internal and external connections.

Machine Parameters

Overview and explanation of system configuration parameters.