Rockwell Automation 2707-M232P3_M485P3 DTAM Micro Operator Interface Module - Manual (Page 108)

Special Controller Functions
Appendix C
DTAM Micro
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 ASCII
Elem=002 9Q
Data Format
Data
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
Reading / Writing
Controller ASCII Files