HEIDENHAIN PWM 20: 6 Maintenance

PWM 20

Operating Instructions

en

27

5.2 Status and error messages

The operating statuses of the device are indicated by the

LEDs L1 and L2 on the front panel.

For information on the location of the LEDs, see "Front

panel", page 23.

LED Condition Status

L1

Off

On (green)

Not ready

Ready

L2

Off

On (green)

Encoder supply switched off

Encoder supply switched on

5.3 ATS software

The PWM 20 is intended for detailed inspection of an

incremental or absolute encoder (also in closed-loop

operation, depending on the interface).

For operation, the ATS software included in delivery can

be installed on the PC. The installation and operation

of the ATS software is described in the "ATS Operating

Instructions" document, see "Notes on reading the

documentation", page 18.

Recommended system requirements

IBM PC or 100 % compatible PC

Screen resolution for ATS software: 1024 x 768 or higher

Windows Vista, Windows 7 (32-bit and 64-bit) or

Windows 8

200 MB free memory on the hard disk (when using the

ATS software)

RAM > 2 GB

High-Speed USB 2.0

6 Maintenance

This chapter contains a description of

maintenance work for the product only. For a

description of maintenance work for peripheral

devices, please refer to the documentation of the

peripheral concerned.

6.1 Cleaning NOTICE

Never use abrasive cleaners, and never use strong

detergents or solvents.

Never use a cleaning cloth that is dripping wet.

Use only a cloth dampened with water and a mild

detergent for cleaning the exterior surfaces.

6.2 Maintenance schedule

The product is largely maintenance-free.

NOTICE

Do not operate or repair the product if damaged.

Have the manufacturer exchange defective electrical

components immediately.

Annual maintenance activities Corrective action

All labels and symbols

provided on the product

must be checked for rea-

dability

Contact HEIDENHAIN ser-

vice agency

Electrical connections

must be function tested

and checked for damage

Have defective lines repla-

ced, contact HEIDENHAIN

service agency

Power cable must be che-

cked for improper insulati-

on or weak points

Replace power cable accor-

ding to specification

Protective ground con-

nection must be function

tested and checked for

proper connection

Have connecting cables re-

placed

We recommend returning the device to the

HEIDENHAIN calibration service every two years

in order to ensure traceable, accurate and error-

free operation.