Selecting Communications Instructions
6-2
Selecting Communications Instructions
Do you want to easily read from
or write to the I/O memory area?
Do you want to intermittently read
from a memory area?
Aside from memory areas, do you
want to write the following kinds of
data?
PLC internal clock
File Memory
Do you want to read the following
kinds of data?
PLC model
PLC status
Cycle time
Messages
Errors
Forced set/reset status
Do you want to change the PLC's
operating mode?
Do you want to force set/reset bit
status?
152
YES
YES
YES
YES
YES
Section 6-2
Use SEND and RECV.
Use CMND.