Special Controller Functions
Appendix C
C–4
To read the contents of controller Input and Output files:
1. Enter the P–A/D function from the Special Menu.
You are prompted for a file type:
Select file type:
(O)Output
PREV/NEXT To Scroll
ENTER To Select
2. Press [NEXT] and [PREV] keys to scroll through the file types.
Select either (I)Input or (O)Output and press [
].
You are prompted:
(0) Output
Element Addr: 0
Remote I/O
Operating System
PLC-5 DF1
Operating System
DH485
Operating System
Select File Number
0
Press ENTER
File Number
0
Word Address: 0
File Number: 0
Element Addr: 0
3. Enter the Element Address (PLC) or the File Number and Word Address
(SLC) If you are accessing PLC data, you must enter an octal value.
You are shown the value at that address:
File:Elem DEC
HEX
O001:000
00000 0000
15 .... Binary ...
0
0000 0000 0000 0000
Remote I/O
Operating System
DH485, PLC-5 DF1
Operating Systems
File:Elem DEC
HEX
O :000
00000 0000
15 .... Binary ...
0
0000 0000 0000 0000
4. Press the [NEXT] key to enter a new element address. Press [
] to
display the contents at the new address.
5. Pressing the [PREV MENU] key at any time returns to the P–A/D file
select menu.
Reading Controller Input and
Output Files
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