46
Sample Ladder Programs Section 4-5
4-5-2 PC Parameters
The following table shows the locations in CPU Module memory of the data
used in the sample ladder programs.
Address Numbers:
• D: Data register
• D0 to D11135 can be used.
• Each memory unit is 2 bytes.
Address Contents Remarks
:
D100 OPEN instruction execution type
D101 OPEN instruction completion sta-
tus
:
D200 System area
D201 CLOSE instruction completion sta-
tus
:
D300 Send data length (bytes) Area used for BUFSEND instructions
D301 Send data
D302 Send data
::
D500 Receive data length (bytes) Area used for BUFRCV instructions
D501 Receive data
D502 Receive data
::
:
D3000 System area
D3001 BUFSEND instruction completion
status
:
D5000 System area
D5001 BUFRCV instruction completion
status
:
To Next Page