User`s guide

28 • Registers
SC_TC(Bit2) : Read/ Write 1 to clear Scan Counter Terminal Count
Status
1: Scan Counter counts to 0
0: Scan Counter not completed
ADOR(Bit1) : Read/ Write 1 to clear A/D Overrun Status (Fatal Error !)
1: A/D Overrun
0: A/D not Overrun
ADOS(Bit0) : Read/ Write 1 to clear A/D Over Speed Status (Warning !)
1: A/D Over Speed
0: A/D not Over Speed
4.9 Digital I/O register
There are 8 digital input and 8 digital output channels provided by the 9116
series cards. The address Base + 30 is used to access digital inputs and
control digital outputs.
Address: BASE +30
Attribute: read
Data Format:
Bit 7 6 5 4 3 2 1 0
DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
Bit 15 14 13 12 11 10 9 8
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
Bit 23 22 21 20 19 18 17 16
--- --- --- --- --- --- --- ---
Bit 31 30 29 28 27 26 25 24
--- --- --- --- --- --- --- ---
Table 12. Digital I/O register (Read)