Xantrex DC XG 850 User Manual download pdf (Page 156)

Remote Operation

5-30 M370078-01

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.

Service Request Enable Register

The Service Request Enable Register allows you to select the reasons for

the power supply to issue a service request. The Service Request Enable

To clear the Service Request Enable Register send *SRE 0. A cleared

For example:

Sending *SRE 8 sets bit 3 of the Service Request Enable Register. This

will cause the Summary bit of the Questionable Status register (bit 3) in

the Status Byte to generate a service request message whenever it gets set.

(See

“Status Byte” on page 5–28 for details.)

Command:

*SRE <Service-Request-Enable>, *SRE?

The SCPI equivalent for multichannel use:

[:]STATus[<channel>]:SREQuest[:ENABle] <status-enable>

[:]STATus[<channel>]:SREQuest[:ENABle?]

Query the Status Byte

The status byte query will return the contents of the status byte register

and the MSS (Master Summary Status) message. The response is in the

format of a weighted decimal value representing the status byte register

and the MSS message (bit 6). Thus, the response to *STB? is identical to

the response to a serial poll except that the MSS message appears in bit 5

in place of the RQS message. (See

“Status Byte” on page 5–28 for

details.)

Command:

*STB?

SCPI equivalent:

[:]STATus[<address>]:SBYTe[:EVENt]?

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Xantrex DC XG 850 User Manual Page 156