Beckhoff KL4011, KL4012, KL4021, KL4022 Operating Instructions Manual

Operating instructions for

KL4011 and KL4012

Single- and Two-Channel Analog Output Terminals
Signal range: 0 to 20 mA

and

KL4021 and KL4022

Single- and Two-Channel Analog Output Terminals
Signal range: 4 to 20 mA

Version: 3.1
Date: 2006-10-20

Table of contents

KL401x and KL402x

Table of contents

1. Foreword 1

Notes on the documentation 1
Safety Instructions 2

2. Technical data 3

3. Connection 4

KL4011 and KL4021 4
KL4012 and KL4022 4

4. Functional description 5

5. Terminal configuration 6

6. Register Description 7

General Description of Registers 7
Terminal-specific register description 10
Control and Status byte 12
Register communication 12

7. Appendix 14

Mapping 14
Register Table 16
Support and Service 17

Foreword

KL401x and KL402x 1

Foreword

Notes on the documentation

This description is only intended for the use of trained specialists in control and automation engineering
who are familiar with the applicable national standards. It is essential that the following notes and
explanations are followed when installing and commissioning these components.

Liability Conditions

The responsible staff must ensure that the application or use of the products described satisfy all the
requirements for safety, including all the relevant laws, regulations, guidelines and standards.
The documentation has been prepared with care. The products described are, however, constantly under
development. For that reason the documentation is not in every case checked for consistency with
performance data, standards or other characteristics. None of the statements of this manual represents a
guarantee (Garantie) in the meaning of § 443 BGB of the German Civil Code or a statement about the
contractually expected fitness for a particular purpose in the meaning of § 434 par. 1 sentence 1 BGB. In
the event that it contains technical or editorial errors, we retain the right to make alterations at any time
and without warning. No claims for the modification of products that have already been supplied may be
made on the basis of the data, diagrams and descriptions in this documentation.

Delivery conditions

In addition, the general delivery conditions of the company Beckhoff Automation GmbH apply.

Copyright

©

This documentation is copyrighted. Any reproduction or third party use of this publication, whether in

whole or in part, without the written permission of Beckhoff Automation GmbH, is forbidden.

Foreword

2 KL401x and KL402x

Safety Instructions

State at Delivery

All the components are supplied in particular hardware and software configurations appropriate for the
application. Modifications to hardware or software configurations other than those described in the
documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH.

Description of safety symbols

The following safety symbols are used in this documentation. They are intended to alert the reader to the
associated safety instructions..

Danger

This symbol is intended to highlight risks for the life or health of personnel.

Attention

This symbol is intended to highlight risks for equipment, materials or the
environment.

i

Note

This symbol indicates information that contributes to better understanding.

Technical data

KL401x and KL402x 3

Technical data

Technical data KL4011 KL4021 KL4012 KL4022

Number of outputs

1 1 2 2

Power supply

24 VDC via the power contacts
(alternatively 15 VDC with power supply unit terminal KL9515)

Signal voltage

0 ... 20 mA 4 ... 20 mA 0 ... 20 mA 4 ... 20 mA

Load

< 500 Ω (short-circuit-proof)

Accuracy

± 0.5 LSB linearity error, ± 0.5 LSB offset error
±0.1% of the full scale value

Resolution

12 bits

Electrical isolation

500 V

rms

(K-Bus/signal voltage)

Conversion time

~ 1.5 ms

Current consumption from K-

Bus

typically 60 mA

Bits width in process image

Output: 1 x 16 bits of data
(1 x 8 bit control/status optional)

Input: 2 x 16 bits of data
(2 x 8 bit control/status optional)

Configuration

no address or configuration settings

Weight

approx. 80 g

Operating temperature

0°C ... +55°C

Storage temperature

-25°C ... +85°C

Relative humidity

95 % no condensation

Vibration / shock resistance

according to EN 60068-2-6 / EN 60068-2-27, EN 60068-2-29

EMC resistance burst / ESD

according to EN 61000-6-2 (EN 50082) / EN 61000-6-4 (EN 50081)

Installation position

any

Protection class

IP20

Connection

4 KL401x and KL402x

Connection

KL4011 and KL4021

KL4012 and KL4022