Reading / writing controller counter files – Rockwell Automation 2707-L40X_L8X_V40X DTAM Plus Operator Interface Module Installation Instructions User Manual

Page 124

Advertising
background image

Special Controller Functions

Appendix C

C–8

To read/write the contents of controller Counter 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
PREV/NEXT To Scroll
ENTER To Select

2. Press [NEXT] and [PREV] keys to scroll through the file types.

Select (C) Counter and press [

].

You are prompted for a counter file number:

Select File Number
5
Press ENTER

File Number
5
Word Address: 0

File Number:
5
Element Addr: 0

PLC-5 DF1

Operating System

DH485

Operating System

Select File Number
5
Press ENTER

3. Enter the counter file number and word or element address.

You are shown the value at that address:

C005:000 Acc 00000

Pre 00000

CU Cd DN OV UN
0

0

0

0

0

Bits
(Count Up Enable,
Count Down Enable
Done
Overflow
Underflow)

4. To change the Acc and Pre values or element address, move the cursor to

the data field using the [PREV] or [NEXT] keys. Enter the new data.

5. Press the [

] key to enter new accumulator or preset values to the

displayed counter address.

6. Pressing the [PREV MENU] key at any time returns to the P–A/D file

select menu.

Reading / Writing Controller
Counter Files

Advertising