Yokogawa PC-Based MX100 - Manual (Page 1025)

19-31
IM MX190-01E
19
DARWIN for Extended API - Visual C++
CDAQDA100::setChDELTA
Syntax
int setChDELTA(int chType, int chNo, int refChNo, int spanMin
= 0, int spanMax = 0);
Parameters
chType Specify the channel type.
chNo Specify the channel number.
refChNo Specify the channel number of the reference channel.
spanMin Specify the left value of the span.
spanMax Specify the right value of the span.
Description
Sets the difference computation for the specified reference channels.
If the left and right values are the same, the span designation is considered omitted.
If the channel type is set to the constant for “Specify all measurement channel
types,” all subunits are processed.
If the channel number is set to the constant for “Specify all channel numbers,” all
channels within the channel type are processed.
Updates the status if successful.
Return value
Returns an error number.
Reference
chNumMax getClassSysInfo measInfoCh setDELTA
CDAQDARWINSysInfo::isExist
19.6 Details of the DARWIN Class