Cdaqda100::measinstch, Cdaqda100::open – Yokogawa PC-Based MX100 User Manual
Page 1023
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IM MX190-01E
19
DARWIN for Extended API - Visual C++
CDAQDA100::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.
Updates the status if successful.
Return value
Returns an error number.
Error
Not support
Unsupported retrieve code type.
Reference
chNumMax getClassSysInfo getCode getInstChASCII
getInstChBINARY updateRenew CDAQDARWINSysInfo::isExist
CDAQDA100::open
Syntax
virtual int open(const char * strAddress, unsigned int
uiPort);
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 communication port number.”
When initializing the data member for retrieval of the measured data and connection
is successful, those items are retrieved and stored.
The communication timeout is set to 3 minutes.
Return value
Returns an error number.
Reference
close measClear setTimeOut updateAll CDAQDARWIN::open
19.6 Details of the DARWIN Class