Operating Your Text Display (TD) Device
5.7 Performing Specialized Operator Tasks (Diagnostic/Setup Menu)
Text Display (TD) User Manual
132 System Manual, 08/2008, A5E00765548-03
Field Description
Data type INT Integer (valid for Byte, Word or Double-word)
Byte values are displayed as unsigned integers
Word and Double-word values are displayed as signed integers
REAL Real or floating-point (valid for Double-word only)
The value displayed for a Real number is rounded to 6 or 7 significant digits. The TD
device displays the Real number in fixed-point format only (no scientific notation)
The TD device cannot display Real numbers larger than 18 digits and allows up to 7
decimal places. (For example: The TD device displays
0.00000005 as 0.0000001, and displays real numbers less than
0.00000005 as "0.0".)
The TD device writes the number displayed to the S7-200 CPU without
rounding.
HEX Hexadecimal (valid for Byte, Word, and Double-word)
BIN Binary (valid for Byte and Word only)
Binary values are displayed in the same pattern (7..0) as discussed in the
S7-200 Programmable Controller System Manual and displayed by the
Status Chart of STEP 7-Micro/WIN
Binary values cannot be edited
1
The TD device displays only the current value for timers and counters. To display preset values for
timers or counters, you must store these values in V memory. The TD device does not display the
value of the timer or counter bit.
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