HEIDENHAIN ND 523 Installation: ND 500Installation Instructions

8

ND 500 Installation Instructions

Complete Operating Instructions available at 

www.heidenhain.de

1.  How to use these instructions

The installation instructions contained in this document provide the information necessary 

to install this product. This information is just a part of the information available in the 

ND 500 Operating Instructions, 606084-xx. The Operating Instructions can be downloaded 

from 

www.heidenhain.de

.

These instructions are intended for use by personnel qualified to install, operate and 

maintain the 

HEIDENHAIN, ND 500

.

A 

qualified person

 is someone who’s technical education, knowledge and experience, 

as well as knowledge of the relevant system of rules qualifies the person to evaluate the 

delegated task and recognize possible hazards.

Messages shown in these instructions

The following examples show how safety, property damage and general advice messages 

are shown in these instructions. Read and understand these types of messages before 

proceeding to prevent personal injury or property damage.

Messages about other safety messages. These supplemental directives do 

not address specific hazards, but instead provide information that promotes 

awareness and use of specific safety messages.

Warning!

Messages that provide information about the nature of a hazardous situation, 

the consequences of not avoiding a hazardous situation, and method(s) for 

avoiding a hazardous situation.

Notice

Messages that provide information primarily about situations that can lead to 

property damage, the potential consequences of not avoiding the situations, or 

method(s) for avoiding the situations and general advice messages.

Fonts used in these instructions

Items of special interest

 or 

concepts

 that are emphasized to the user are shown in 

bold type.

2.  Model information

This guide covers specifications, mounting and installation for the following models:

Product name

ID

Indexes Description

ND 522

532522-xx

-,A,B

2 Axes

ND 523

532523-xx

-,A,B

3 Axes

Notice

Verify that these Installation Instructions are valid by matching the Index listed 

above with the Index on the product. If the indexes do not match, download the 

applicable Installation Instructions from 

www.heidenhain.de.

8

Product name

ID

Index

ID label

English

Contents

How to use these instructions ...................8

Model information ......................................8

Safety ..........................................................9

Specifications ..............................................9

Mounting .....................................................9

Installation .................................................10

Operating elements .................................. 11

Initial power-up .......................................... 11

Maintenance .............................................12

9

ND 500 Installation Instructions

Complete Operating Instructions available at 

www.heidenhain.de

3.  Safety

The following messages provide safety information for preventing personal injury and 

product damage:

Read and understand these instructions before use to avoid the possibility of 

personal injury or death.

Hazardous live parts may be exposed if the product is opened. Do not open the 

product. There are no serviceable items inside.

The protection provided by the equipment may be impaired if used in a manner 

not specified. Do not use this product in any way other than it’s intended use.

Notice

For safety, operation and handling of the product, keep this document for future 

reference.

4.  Specifications

The ND 500 is an advanced digital readout system for performing 2 and 3 axes 

measurements at very high levels of precision and accuracy. This product is designed for 

indoor use only. The ND 500 components shall only be installed as described in these 

instructions. Mounting, installation and maintenance are to be performed by qualified 

personnel only.

Power input:

AC 100 V ... 240 V (-15 % ... +10 %) 

47 Hz ... 63 Hz (±3 Hz)

(max. 54 W)

Replaceable fuse:

T 500 mA / 250 V, 5 mm x 20 mm

Environmental conditions

Operating temperature:

0 °C ... 45 °C

Storage temperature:

-20 °C ... 70 °C

Relative humidity:

†

 80 % RH

Altitude:

†

 2000 m

Protection:

IP40, front IP54

Overvoltage category:

II, equipment intended to be supplied  

from the building wiring

Pollution degree:

2

Mass:

2.6 kg

5.  Mounting

Content of Package

■

  ND 500 Digital Readout

■

  Power Connect: 3-Pin IEC Connector (ID 257811-01)

■

  Tilt/Swivel Kit (ID 618025-01)

■

  Vinyl Cover (ID 1082253-01)

■

  Installation Instructions (ID 1084366-9x)

Do not mount in a position that makes it difficult to access the power switch or 

power cable.

The ND 500 may be mounted by attaching the product to a mounting arm (ID 382893-01), 

a tilting base (ID 625491-01) or a mounting frame (ID 647702-01). Refer to the Accessories 

section for more details.

Notice

Refer to the documentation provided with the accessories for mounting 

instructions.

Safety symbols

Where the following safety symbols 

appear on the product they alert you to 

important safety information.

Symbol description

7

Refer to the accompanying 

information or 

documentation to protect 

against personal injury or 

damage to the product

6

Earth (ground) terminal

1

Power switch “On (supply)” 

position

1

Power switch “Off (supply)” 

position

10

ND 500 Installation Instructions

Complete Operating Instructions available at 

www.heidenhain.de

6.  Installation

The safety of any system incorporating the use of this product is the 

responsibility of the assembler or installer of the system.

Interfaces

Rear

1

Power switch

2

Power connector

3

Replaceable fuse holder

4

USB (type B) interface:

 for 

PC communication

5

Encoder inputs:

 X1, X2, X3 axis for 

linear and rotary 

«

 TTL interface 

encoders. The number of axes varies 

by product.

6

Earth (ground) terminal

see warning below

Power cord

L:

Line voltage (brown)

N:

Neutral (blue)

Protective conductor (ground) 

terminal(green/yellow)

3-conductor (grounded)

Min. cable cross section: 0.75 mm

2

Max. cable length: 3 m

Power cord

Notice

Do not engage, or disengage any connections while the product is under 

power. Damage to internal components may result.

Notice

It is necessary to connect the earth (ground) terminal on the rear of the product 

to the star point of machine ground. Minimum cross section of the connecting 

wire: 6 mm

2

. Never use this equipment without proper grounding.

Electrical connection

Warning! Risk of electrical shock

A risk of electrical shock exists if this product is not properly grounded. 

To avoid the hazard, always use a 3-conductor (grounded) power cord and 

ensure the ground is properly wired to the building installation.

Warning! Risk of fire

A risk of fire exists if a power cord not meeting minimum specifications is 

used. 

To avoid the hazard, always use power cords that meet or exceed the minimum 

listed specifications.

Connecting a power cord

To connect a power cord:

X

X

Verify that the power switch is in the off position.

X

X

Verify that the power cord is not plugged into the main power supply.

X

X

Insert the female end of the power cord into the power connector on the rear of the 

product.

11

ND 500 Installation Instructions

Complete Operating Instructions available at 

www.heidenhain.de

Data interface connections

Notice

This product contains components that can be damaged by 

electrostatic 

discharge (ESD)

. Observe precautions for handling ESD sensitive devices and 

never touch connector pins unless properly grounded.

Connecting an encoder

This product can be used with HEIDENHAIN linear, and rotary encoders that provide 

digital TTL level signals. The connecting cable must not exceed 30 meters in length.

To connect an encoder:

X

X

Verify that the power switch is in the off position.

X

X

Connect the axis encoder tightly to it’s connector. An input designator is provided near 

each connector located on the rear of the product.

Connecting a USB cable

The USB port is used to communicate with a computer. For more information on USB 

communications, refer to the 

ND 500 Operating Instructions

 .

To connect a USB cable:

X

X

Verify that the power switch is in the off position.

X

X

Connect a computer USB port to the products USB port located on the rear of the 

product, using a USB (type A) to USB (type B) cable.

7.  Operating elements

Front

Front (cont)

A LCD screen

E

Arrow keys:

 Menu navigation

B Soft keys:

 Change to support 

functions

F

Hard key functions:

 Specific to 

milling, or turning functions

C Axis keys:

 Zero or preset datums

G Power indicator light:

 LED is 

illuminated when power is on

D Numeric keypad:

 Enter numeric 

data

8.  Initial power-up

To power-up the product:

X

X

Press the On (supply) side of the power switch 

1

 to power-up the product.  

The startup screen is displayed.

Observe ESD handling precautions

5

X1, X2, X3 

-

« 

TTL

4

USB (type B)

12

ND 500 Installation Instructions

Complete Operating Instructions available at 

www.heidenhain.de

9.  Maintenance

The maintenance procedures described in these instructions may be required during 

installation of the product. For additional maintenance information, refer to the 

ND 500 

Operating Instructions

.

Cleaning

Warning! Risk of electrical shock

While cleaning it is possible to conduct electricity from hazardous live parts if 

liquid enters the product.

To avoid the hazard, always power off the product, disconnect the power cable 

and never use a cloth that is dripping or saturated with water.

Notice

Never use abrasive cleaners, strong detergents or solvents to avoid damage to 

the product.

To clean:

X

X

Verify that the power switch is in the off position.

X

X

Disconnect the power cable from the source of power.

X

X

Wipe exterior surfaces with a cloth dampened with water and a mild household 

detergent.

Replacing a fuse

Warning! Risk of electrical shock

When replacing a fuse it is possible to touch hazardous live parts.

To avoid the hazard, always power off the product and disconnect the power 

cable.

Notice

Use only replacement fuses meeting rated specifications to avoid damage to 

the product.

To replace a fuse:

X

X

Verify that the power switch is in the off position.

X

X

Disconnect the power cable from the source of power.

X

X

Press the fuse holder release until the retaining mechanism is disengaged.

X

X

Remove the fuse holder and replace the fuse.

X

X

Re-insert the fuse holder and gently press in until the retaining mechanism is engaged.