Installing your Text Display (TD) Device
2.9 Establishing a Connection for Your TD Device
Text Display (TD) User Manual
System Manual, 08/2008, A5E00765548-03
43
2.9 Establishing a Connection for Your TD Device
Establishing a Connection for Your TD Device
As described in Chapter 4, you use the Text Display wizard of STEP 7-Micro/WIN to
configure the screens, alarms, languages, and custom keypad layout for the TD 100C,
TD 200C and the TD400C. The S7-200 CPU stores this information in a parameter block (V
memory).
The TD devices ship with a default configuration and are set to communicate at a rate of
9600 baud. The TD devices must communicate with the S7-200 CPU to be able to read the
parameter block.
You must configure your TD device to communicate at the same baud rate as your S7-200
CPU.
TD 100C, TD 200C, and TD400C
Until the TD device successfully connects to the S7-200 CPU and reads the parameter
block, the TD device remains configured for the standard TD keypad shown in the figure
below.
To change the baud rate of your TD device, you use the ESC and ENTER buttons to
navigate to the Diagnostic/TD Setup Menu and change the TD Setup parameters. (See
Chapter 5.) Because the TD devices ship with no faceplate attached, it may be difficult to
consistently press ESC or ENTER.
The TD 100C, TD 200C, and TD400C devices ship with a faceplate for the standard TD
keypad. In addition, the Keypad Designer provides a sample faceplate for the standard TD
keypad in the following directory.
C:/Program Files/Siemens/ TD Keypad Designer/Templates
For temporary use, you can print this faceplate onto paper and lay the paper on top of the
TD device (without removing the covering from the adhesive).
Refer to Chapter 3 for information about opening the Keypad Designer and printing a
faceplate.
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