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Appendix C
DTAM Micro
Special Controller Functions
Reading / Writing
Controller ASCII Files
C–12
To read the contents of ASCII files:
1. Select item 1 from the Special Menu to access the P–A/D function.
You are prompted for a file type:
Select File Type:
(O) Output
2. Press [NEXT] and [PREV] keys to scroll through the file types.
Select ASCII and press [
You are prompted for a file number:
Select File Num=_____
3. Enter a file number (3-999 for PLCs or 3-7, 9-255 for SLCs) and
press [
].
You are prompted for an element number:
Select File Num=012
Elem= _____
4. Enter the element number. If you are accessing PLC-5 data, you must
enter an octal value.
You are shown the hexadecimal value of the element.
File=A012
Elem=002
Both invalid and valid ASCII values are displayed. Refer to the DPS
programming manual for a listing of the valid ASCII characters. Invalid
values are indicated by a slash (\) preceding the hexadecimal value. For
example:
12 = valid ASCII value
\CF 2 = partially valid ASCII
\CF\A0 = invalid ASCII
].
Data Format
ASCII
9Q
Data
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