ADLINK iSeries Monitor 18/21 - Manual (Page 61)

Watchdog Timer (WDT) & DI/O Function Libraries 49
TPZ-1300
NoError
ErrorOpenDriverFailed
ErrorDeviceIoctl
GPO_Write()
Sets the digital logic state of the digital output line.
@ Syntax
C/C++
I16 GPO_Write(U16 wState)
@ Parameters
State
Sets the digital logic state of TPZ-1300 digital output channels
1~4 (bit 0~3) to 0 or 1.
@ Return code
NoError
ErrorOpenDriverFailed
ErrorDeviceIoctl
GPO_Read()
Reads the digital logic state of the digital output line.
@ Syntax
C/C++
I16 GPO_Read(U16 *pwState)
@ Parameters
pwState
Returns the digital logic state of TPZ-1300 digital output chan-
nels 1~4 (bit 0~3).
@ Return code
NoError
ErrorOpenDriverFailed
ErrorDeviceIoctl