5238-E P-283
SECTION 12 USER TASK
3-2-4. I/O read variables
The I/O read variables are the system variables used to read the status of panel inputs and outputs
or EC inputs and outputs. These system variables are read-only.
[Command format]
•
Reading the input bit
LE33013R0301400260001
•
Reading the output bit
LE33013R0301400260002
*
In the read data, bit ON becomes “1” and bit OFF becomes “0”.
VIRD [
∗ ∗ ∗
# ]
∗ ∗ ∗
: Logical I/O address
# : Bit position
VORD [
∗ ∗ ∗
# ]
∗ ∗ ∗
: (Logical I/O address) - (512)
# : Bit position