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Configuring the TD 200
The TD 200 is a text display device that displays messages enabled by the S7-200 CPU.
You do not have to configure or program the TD 200. The only operating parameters stored
in the TD 200 are the address of the TD 200, the address of the CPU, the baud rate, and the
location of the parameter block. The configuration of the TD 200 is stored in a TD 200
parameter block located in the variable memory (V memory) of the CPU. The operating
parameters of the TD 200, such as language, update rate, messages, and message-enabled
bits, are stored in the TD 200 parameter block in the CPU.
Upon power-up, the TD 200 reads the parameter block from the CPU. All of the parameters
are checked for legal values. If everything is acceptable, the TD 200 starts actively polling
the message-enabled bits to determine what message to display, reads the message from
the CPU, and then displays the message.
Chapter Overview
Section
2.1
Starting the STEP 7–Micro/WIN TD 200 Configuration Wizard
2.2
Creating a Sample Program
SIMATIC TD 200 Operator Interface
C79000-G7076-C205-04
Description
2
Page
2-2
2-18
2-1
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