Siemens SIMATIC TD 200, User Manual

Page: 13 / 132

1-3
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Table 1-1 Components of the TD 200, Fortsetzung
Component Description
Keys The TD 200 has nine keys. Five of these keys provide predefined,
context-sensitive functions, and four keys provide user-defined functions.
Spacers Self-adhesive spacers are included for mounting the TD 200 to a mounting
surface. See Figure 1-7.
TD 200 Keyboard Features
The TD 200 keyboard has a total of nine keys. Table 1-2 describes the five
predefined, context-sensitive command keys.
Table 1-2 Description of Command Keys
Command
Keys
Description
ENTER Use this key to write new data and to acknowledge a message(s).
ESC Use this key to toggle between Display Message mode and Menu mode
or to abort an edit.
UP ARROW The UP arrow increments data and scrolls the cursor to the next higher
priority message.
DOWN ARROW The DOWN arrow decrements data and scrolls the cursor to the next
lower priority message.
SHIFT The SHIFT key modulates the value of all of the function keys. See
Table 1-3 for examples. A flashing “S” is displayed in the lower right of
the TD 200 display when you press the SHIFT key.
Table 1-3 describes the four user-defined function keys (F1, F2, F3, F4). You
define these four function keys in your S7-200 CPU program. Pressing a function
key sets an M bit. Your program can use this bit to trigger a specific action.
Table 1-3 Description of Function Keys
Function Keys Description
F1 Function key F1 sets the Mx.0 bit.
If you press the SHIFT key along with, or prior to, pressing the F1 key,
F1 sets the Mx.4 bit.
F2 Function key F2 sets the Mx.1 bit.
If you press the SHIFT key along with, or prior to, pressing the F2 key,
F2 sets the Mx.5 bit.
F3 Function key F3 sets the Mx.2 bit.
If you press the SHIFT key along with, or prior to, pressing the F3 key,
F3 sets the Mx.6 bit.
F4 Function key F4 sets the Mx.3 bit.
If you press the SHIFT key along with, or prior to, pressing the F4 key,
F4 sets the Mx.7 bit.
Product Overview and Installation