6 |
Series Five PLC
For a Series Five PLC, the
For a Series Five PLC, the Device Memory screen looks like this example:
Enter or Change the PLC Type
To enter or change the PLC type:
1.Press F3 (chng). A cursor appears at the left of the colon. For a Series Six PLC, enter the num- ber 32768.
2.Press the F3 (entr) key.
D E V I C E M E M O R Y 7
M E M : (location)
t g l c h n g e n t r S B A
The top line shows the
The number on the left will be:
133for a Series Five PLC
The number on the right is the actual memory location that will be read.
From this screen, use the
A.Select a different device on the bus (press F4 (SBA)).
B.Select another memory type (press F2 (chng)). See right for instructions.
C.Select another reference location in the dis- played memory type (press F2(chng)). See right for instructions.
D.Display the current memory contents of the specified location (press F3 (entr)).
Enter or Change the Memory Location
To enter or change the memory location:
1.On the same screen, press F1 ( > ) to move the cursor to the right of the colon.
2.Press F2 (chng).
3.Enter the byte offset of the data. This is equal to (2 x register #) ± 2. For example, for regis- ter#100, you would enter (2 x 100) ± 2, which is 198.
I/O Data
Series Five I/O data can be displayed using the integer result of this formula:
(point number) / 8 + table offset
The table offsets for Series Five I/O are:
channel 1 inputs | 32768 |
channel 2 inputs | 32896 |
channel 1 outputs | 33024 |
channel 2 outputs | 33152 |
Example: to display channel 2 output 12, you would enter:12/8 + 33152, which is 33153:
M E M : 1 3 3 : 3 3 1 5 3
Press F3 (ENTR) to save the memory location. To display the memory content of this location, press F3 (ENTR) again.