Yokogawa PC-Based MX100 - Manual (Page 1039)

19-45
IM MX190-01E
19
DARWIN for Extended API - Visual C++
CDAQDA100Reader::measInstCh
Syntax
virtual int measInstCh(int chType = DAQDA100_CHTYPE_MEASALL,
int chNo = DAQDA100_CHNO_ALL);
Parameters
chType Specify the channel type.
chNo Specify the channel number.
Description
Gets the measured data of the specified channel.
The specified data is stored in the various channel information fields of the data
member. 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.
Return value
Returns an error number.
Reference
getInstCh
CDAQDA100Reader::open
Syntax
virtual int open(const char * strAddress, unsigned int uiPort
= DAQDA100READER_DATAPORT);
Parameters
strAddress Specify the IP address as a string.
uiPort Specify the port number.
Description
Connects to the device with the IP address and port number specified by the
parameters.
The port number can be omitted. If omitted, it is set to the communication constant,
“DARWIN instantaneous value loading port number.”
When initializing the data member for retrieval of the measured data and connection
is successful, channel information data is retrieved and stored.
The communication timeout is set to 3 minutes.
Return value
Returns an error number.
Reference
close measClear setTimeOut updateChInfo CDAQDARWIN::open
19.6 Details of the DARWIN Class