IOP – General-Purpose I/O Polarity
Read/write command that toggles the polarity of general-purpose inputs and outputs.
Applies to: CMD-4CR, CMD-4EX-SA
ASCII/Standalone IOP
Syntax:
Read:
IOP
Write:
IOP=[pol]
|
Where: [pol] is set to 0 for negative logic (active low), 1 for positive logic (active high) |
Reply:
Command is accepted and executed
Read:
Returns the value set (0,1)
Write:
OK
Command cannot be processed
An error message is returned. See Error Codes
Example:
Read:
IOP * Returns value for general purpose I/O polarity setting
Write:
IOP=1 * Set output polarity to 1 positive logic, active high.
Notes:
- To write the value to the device’s flash memory, use the STORE command.
See also:
AI, DI, DIP, DO, DOBOOT, DOP, IO, IOBOOT, IOCFG