Eaton XC-CPU101 Series, Instruction Leaflet

Page: 48 / 96

Program processing and
system time
12/14 MN05003004Z-EN
30
Functions
ReadBitDirect
A bit of an input module can be read directly with this function.
The state of an input bit is stored in the variables, which indicate
to the parameterized pointer “ptr_xValue”. The pointer variable
will not be changed when a fault occurs during processing.
XIOC-8DO – j 0 to 7 – j 0 1 to 15
XIOC-16DO – j 0 to 15 – j 0 1 to 15
XIOC-16DO-S – j 0 to 15 – j 0 1 to 15
XIOC-12DO-R –
j
0 to 11 –
j
0 1 to 15
XIOC-16DX – j 0 to 15 j j 0 1 to 15
XIOC-8AI-I2 – – – j – 0 to 7 1 to 15
XIOC-8AI-U1 – – – j – 0 to 7 1 to 15
XIOC-8AI-U2 – – –
j
– 0 to 7 1 to 15
XIOC-4T-PT – – – j – 0 to 3 1 to 15
XIOC-2AO-U1-2AO-I2 – – – – j 0 to 3 1 to 15
XIOC-4AO-U1 – – – – j 0 to 3 1 to 15
XIOC-4AO-U2 – – – –
j
0 to 3 1 to 15
XIOC-2AO-U2 – – – – j 0 to 1 1 to 15
XIOC-4AI-2AO-U1 – – – j j AI: 0 to 3, AO: 0 to 1 1 to 15
XIOC-2AI-1AO-U1 – – – j j AI: 0 to 1, AO: 0 1 to 15
XIOC-1CNT-100KHZ – – – – – – 1 to 15
XIOC-2CNT-100KHZ – – – – – – 1 to 15
XIOC-2CNT-2AO-INC – – – j j 1 to 15
XIOC-SER – – – – – COM2, COM3 1 to 15
XIOC-NET-DP-M – – – – – – 1 to 3
Module I/O bit access I/O word access I/O slot
Read Write Param./Module Read Write Param./Module Param.
Figure 41: ReadBitDirect function