ADLINK ND-6067 - Manual (Page 211)

209
6.7.14 Read then Clear Overflow Flag
@Description
Read the status of the overflow flag of counter 0 or counter 1, and
then clear the flag afterward.
@Syntax
$(Addr)7(CounterNo)
$ Command leading code.
(Addr) Address ID (2-character)
7 Read then clear overflow command code.
(CounterNo) 0: counter 0
1: counter 1
@Response
!(Addr)(OFlag)
or
?(Addr)
! Command is valid.
? Command is invalid.
(Addr) Address ID.
(OFlag) 0: the overflow flag has not been set
1: the counting value has exceeded the maximum
count, the overflow flag has been set.
* After executing the command, the overflow flag will clear to
zero if it has been set.
@Example
User command: $3070
Response: !301
Item Meaning Description
$ (Leading Code) Command leading code.
30 (Addr) Address ID is 30H.
7 Read counter overflow command
code.
0 (CounterNo) Counter 0.
! Command is valid.
30 Address of counter/frequency module.
1 Counter 0 is overflowed.
(6080)