Message Available (Mav); Standard Event Status Summary (Esb); Master Summary Status (Mss); Request Service (Rqs) - Xantrex Watt Series Programmable DC Power Supply XG 850 Operating Manual

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:
•
•
•
•
•
•
•

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.
M370078-01
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.
Status Byte
5
5-29