Yokogawa PC-Based MX100 - Manual (Page 494)

9-6
IM MX190-01E
Communication Process
First, make a connection. After making the connection, the functions become
available. As a termination procedure, disconnect the communication.
Communication Connection
openDARWIN(host, rc)
The IP address of the DARWIN is specified. The communication report specifies the
communication constant “DAQDARWIN report number.”
Talker
talkDataByBinaryDARWIN(comm, 0, 1, 0, 2, datetime)
Sends the retrieval request of the measured data of channels 1 and 2 of subunit
number 0 and retrieves the time information (declares the retrieval of the measured
data).
Retrieval of the Measured Data
getChDataByBinaryDARWIN(comm, chinfo, datainfo, flag)
Gets the measured data channel by channel. It is repeated up to the specified
channel.
The end is determined by the flag status of “end data.”.
Comm. cut
closeDARWIN(comm)
Drops the connection.
9.2 Programming - DARWIN/Visual Basic -