Returns the number of digital I/O channels.
- Parameters:
-
[in] | ulOption1 | Reserved. Set to 0. |
[out] | Response |
sResponse.iReturnValue
- 0: The remote function performed OK
- -1: System error occurred
- -100: Internal system error occurred. See value of syserrno
sResponse.syserrno system error code (the value of the libc "errno" code)
ulValue Number of available digital I/O channels |
- Return values:
-
| 0 | SOAP_OK |
| Others | See SOAP error |