Xantrex Technology XDC manual Questionable Status Register Summary QSR, Message Available MAV

Remote Operation

SCPI Commands for Digital Interfaces

Questionable Status Register Summary (QSR)

This bit is TRUE when a bit in the Questionable Event Status Register is set and its corresponding bit in the Questionable Status Enable Register is TRUE.

Message Available (MAV)

This bit is TRUE whenever the power supply is ready to accept a request by the Digital Programming Interface to output data bytes. This message is FALSE when the output queue is empty.

Standard Event Status Summary (ESB)

This bit is TRUE when a bit is set in the Standard Event Status Register.

Master Summary Status (MSS)

This is caused by one of the following:

•Status Byte bit 0 AND Service Request Enable Register bit 0

•Status Byte bit 1 AND Service Request Enable Register bit 1

•Status Byte bit 2 AND Service Request Enable Register bit 2

•Status Byte bit 3 AND Service Request Enable Register bit 3

•Status Byte bit 4 AND Service Request Enable Register bit 4

•Status Byte bit 5 AND Service Request Enable Register bit 5

•Status Byte bit 7 AND Service Request Enable Register bit 7.

Request Service (RQS)

RQS is TRUE if the Service Request Enable Register has a bit set and there is a corresponding bit within the Status Byte.

The SRQ line of the GPIB will be set. The SRQ annuciator will be lit.

Operation Status Register Summary (OSR)

This bit is TRUE when a bit in the Operation Event Status Register is set and its corresponding bit in the Operation Status Enable Register is set.

156 Operating Manual for XDC Series Power Supply