Beckhoff KS6031 User Manual

Access from the user program
KL6031/KS6031, KL6041/KS604134 Version: 2.1.0
5 Access from the user program
5.1 Control and status word
Control word
The control word (CW) is located in the output process image, and is transmitted from the controller to the
terminal.
Bit CW.15 CW.14 CW.13 CW.12 CW.11 CW.10 CW.9 CW.8 CW.7 CW.6 CW.5 CW.4 CW.3 CW.2 CW.1 CW.0
Name OL7 OL6 OL5 OL4 OL3 OL2 OL1 OL0 - OL2* OL1* OL0* SC IR RA TR
Bits CW.15 to CW.8 are only shown if the large process image is used.
If the small or medium process image is used, only bits CW.7 to CW.0 are shown as control bytes! The
number of output bytes available for transfer from the controller to the terminal is displayed by bits
OL2*...OL0*.
Key
Bit Name Description
CW.15
...
CW8
OL7...OL0
(OutLenght)
1
dec
... 22
dec
If the large process image is used: Number of output bytes () available for transfer from
the controller to the terminal.
- If the small/medium process image is used: not shown
CW.7 - 0
bin
reserved
CW.6
…
CW.4
OL2*...OL0*
(OutLenght*)
0 If the large process image is used: reserved
1...6 If the medium process image is used: Number of output bytes available for transfer from
the controller to the terminal.
1...4 If the small process image is used: Number of output bytes available for transfer from
the controller to the terminal.
CW.3 SC
(SendContinious)
rise Continuous sending of data from the FIFO.
The send buffer is filled (up to 128bytes) by the controller. The buffer content is sent
with rising edge of bit SC. The terminal acknowledges the data transfer to the controller
through setting of bit SW.2. SW.2 is cancelled with CW.3.
CW.2 IR
(InitRequest)
1
bin
The controller requests terminal for initialization. The send and receive functions are
blocked, the FIFO pointers are reset and the interface is initialized with the values from
the relevant registers (R32-R35 [}39], R18 [}39]). The terminal acknowledges com-
pletion of the initialization via bit SW.2 [}34] (IA).
0
bin
The controller once again requests the terminal to prepare for serial data exchange.
CW.1 RA
(ReceiveAccepted)
toggle The controller acknowledges receipt of data by changing the state of this bit. Only then
new data can be transferred from the terminal to the controller.
CW.0 TR
(TransmitRequest)
toggle Via a change of state of this bit the controller notifies the terminal that the DataOut bytes
contain the number of bytes indicated via the OL bits. The terminal acknowledges re-
ceipt of the data in the status byte via a change of state of bit SW.0 [}34] (TA). Only
now new data can be transferred from the controller to the terminal.
Status word
The status word (SW) is located in the input process image, and is transmitted from terminal to the controller.
Bit SW.15 SW.14 SW.13 SW.12 SW.11 SW.10 SW.9 SW.8 SW.7 SW.6 SW.5 SW.4 SW.3 SW.2 SW.1 SW.0
Name IL7 IL6 IL5 IL4 IL3 IL2 IL1 IL0 - IL2* IL1* IL0* BUF_F IA RR TA
Bits SW.15 to SW.8 are only shown if the large process image is used.
If the small or medium process image is used, only bits SW.7 to SW.0 are shown as status bytes! The
number of input bytes available for transfer from the terminal to the controller is displayed by bits IL2*...IL0*.

Beckhoff KS6031 Specifications

General

Brand	Beckhoff
Model	KS6031
Category	Touch terminals
Language	English

Summary

Foreword

Notes on the Documentation

Information for the intended audience and disclaimer regarding documentation changes.

Safety Instructions

Important safety regulations, exclusion of liability, personnel qualification, and description of warning symbols used.

Documentation Issue Status

Details changes and versions of the documentation, including firmware and hardware versions.

Product Overview

KL6031 Introduction and Technical Data

Introduces the KL6031 terminal, its RS232 function, and provides technical specifications.

KL6031 Basic Function Principles

Explains the operational principles of the KL6031, including LED display and data formats.

KL6041 Introduction and Technical Data

Introduces the KL6041 terminal, its RS422/RS485 function, and provides technical specifications.

KL6041 Basic Function Principles

Explains the operational principles of the KL6041, including LED display and data transmission modes.

Mounting and Wiring

Mounting and Disposal Procedures

Covers ESD protection, rail installation, mechanical load capacity, and product disposal procedures.

Connection System and Wiring

Details connection options, wiring methods, and high-density terminal connections.

ATEX and IECEx Information

Outlines ATEX special conditions for explosive areas and references continuative documentation for ATEX/IECEx.

KS2000 Configuration Software

KS2000 Introduction and Parameterization

Introduces the KS2000 software and covers its use for configuring and parameterizing terminals.

Terminal Settings, Registers, and Process Data

Details accessing registers, common settings, interface parameters, and managing process data within KS2000.

Access from the User Program

Control and Status Words

Explains the meaning and usage of control and status words for terminal communication.

Register Overview and Description

Provides a detailed description of terminal registers, their functions, and usage for parameterization.

Data Mapping and Examples

Covers data mapping within the process image and provides examples of register communication.

TwinCAT PLC Software Operation

Guides users on operating the terminals with TwinCAT PLC software, detailing data transfer modes and rates.

Appendix

Support and Service

Provides contact information and resources for Beckhoff support, service, branch offices, and headquarters.