BECKHOFF KL3201 User Manual
Documentation for
KL3201, KL3202 and KL3204
Single-, Two- and Four-Channel Analog Input Terminals
for PT100 (RTD)
Version: 3.3
Date: 2013-04-03
Table of contents
Table of contents
1. Foreword 1
Notes on the documentation 1
Safety Instructions 2
2. Technical data 3
3. Connection 4
KL3201 4
KL3202 5
KL3204 5
4. ATEX - Special conditions 6
5. Functional description 7
6. Terminal configuration 9
7. Register Description 10
General Description of Registers 10
Terminal-specific register description 13
Control and Status byte 15
Register communication 17
8. Appendix 19
Mapping 19
Register Table 22
Support and Service 23
KL3201, KL3202 and KL3204
Foreword
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.
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.
Disclaimer
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. 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.
Trademarks
Beckhoff
trademarks of and licensed by Beckhoff Automation GmbH. Other designations used in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the
owners.
Patent Pending
The TwinCAT Technology is covered, including but not limited to the following patent applications and
patents: EP0851348, US6167425 with corresponding applications or registrations in various other
countries.
Copyright
© Beckhoff Automation GmbH.
The reproduction, distribution and utilization of this document as well as the communication of its contents
to others without express authorization are prohibited. Offenders will be held liable for the payment of
damages. All rights reserved in the event of the grant of a patent, utility model or design.
®
, TwinCAT®, EtherCAT®, Safety over EtherCAT®, TwinSAFE®, XFC® and XTS® are registered
KL3201, KL3202 and KL3204 1
Foreword
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..
Serious risk of injury!
DANGER
Failure to follow the safety instructions associated with this symbol directly endangers
the life and health of persons.
Danger for persons!
CAUTION
Note
Failure to follow the safety instructions associated with this symbol may endanger
persons.
Tip or pointer
This symbol indicates information that contributes to better understanding.
2 KL3201, KL3202 and KL3204
Technical data
Technical data KL3201 KL3202 KL3204
Number of inputs 1 2 4
Power supply via the K-Bus
Sensor types
Connection 2 or 3-wire (pre-set to 3-wire) 2 wire
Temperature range -200°C ... +850°C (PT sensors); -60°C ... +250°C (Ni sensors)
Resolution 0.1°C per digit (measuring range 10 to 5000 Ω: 0.5°C per digit)
Electrical isolation 500 V (K-Bus/signal voltage)
Conversion time ~ 200 ms ~ 250 ms
Measuring current typically 0.5 mA
Meas. error (total meas. range) < ± 1°C < ± 1 C (at 0°C ... +55°C)
Bits width in process image
Current consumption from K-Bus typically 60 mA
Configuration no address setting, configuration via bus coupler or controller
Special features open-circuit recognition
Weight approx. 70 g
Operating temperature 0°C ... +55°C
Storage temperature -25°C ... +85°C -40°C... +85°C
Relative humidity 95 % no condensation
Vibration / shock resistance according to EN 60068-2-6 / EN 60068-2-27
EMC resistance burst / ESD according to EN 61000-6-2 / EN 61000-6-4
Installation position variable
Protection class IP20
Approvals CE, cULus, ATEX
Technical data
PT100, PT200, PT500, PT1000, Ni100, Ni120. Ni1000 resistance
measurement (e.g. potentiometer connection)
< ± 1.5 C (at utilization of the extended
temperature range)
Input: 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)
-25°C ... +60°C in operation (extended
temperature range)
0°C ... +55°C (according to cULus for
Canada and USA)
0°C ... +55°C (according to ATEX, see
special conditions)
Input: 4 x 16 bits of
data
(4 x 8 bit
control/status
optional)
KL3201, KL3202 and KL3204 3
Connection
Connection
KL3201
4 KL3201, KL3202 and KL3204
Connection
KL3202
KL3204
KL3201, KL3202 and KL3204 5
ATEX - Special conditions
ATEX - Special conditions
Observe the special conditions for the intended use of
Beckhoff fieldbus components in potentially explosive areas (directive 94/9/EU)!
WARNING
• The certified components are to be installed in a suitable housing that guaran-
• If the temperatures during rated operation are higher than 70°C at the feed-in
• Observe the permissible ambient temperature range of 0 - 55°C for the use of
• Measures must be taken to protect against the rated operating voltage being
• The individual terminals may only be unplugged or removed from the Bus
• The connections of the certified components may only be connected or dis-
• The fuses of the KL92xx power feed terminals may only be exchanged if the
• Address selectors and ID switches may only be adjusted if the supply voltage
Operation of the Bus Terminal System in potentially explosive areas (ATEX)!
tees a protection class of at least IP54 in accordance with EN 60529! The environmental conditions during use are thereby to be taken into account!
points of cables, lines or pipes, or higher than 80°C at the wire branching
points, then cables must be selected whose temperature data correspond to
the actual measured temperature values!
Beckhoff fieldbus components in potentially explosive areas!
exceeded by more than 40% due to short-term interference voltages!
Terminal system if the supply voltage has been switched off or if a nonexplosive atmosphere is ensured!
connected if the supply voltage has been switched off or if a non-explosive atmosphere is ensured!
supply voltage has been switched off or if a non-explosive atmosphere is ensured!
has been switched off or if a non-explosive atmosphere is ensured!
Note
Pay also attention to the continuative documentation
Notes about operation of the Bus Terminal System in potentially explosive areas
(ATEX)
that is available in the download area
http://www.beckhoff.com
!
of the Beckhoff homepage
6 KL3201, KL3202 and KL3204
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