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Owning Palette: VISA VIs and Functions
Requires: Base Development System
Reads a service request status byte byte from the message-based device specified by VISA resource name.
|VISA resource name specifies the resource to be opened. The VISA resource name control also specifies the session and class.|
|error in describes error conditions that occur before this node runs. This input provides standard error in functionality.|
|VISA resource name out is a copy of the VISA resource name that VISA functions return.|
|status byte contains the status byte read from the instrument.|
|error out contains error information. This output provides standard error out functionality.|
This function reads a service request from a message-based device. The following details are bus-specific:
This function retrieves status information by sending a message in response to a service request. For a session to a Serial Instr or Ethernet Socket, if the property IO Protocol is Serial-TCPIP/488 (4), the device is sent the string "*STB?\n" and then the device status byte is read; otherwise, this operation is not valid.