Section 6 Status Report

6.5Reading, Writing and Clearing Status Registers

(1)Reading and writing methods

The table below shows the methods of reading and writing the details of status registers.

Table 6-7 Reading and Writing Methods of Status Registers

- - -

Register

Reading Methods

 

Serial poll

 

Seven-bit status byte and RQS message

 

bit are retumed. In this case, the status

Status byte register

byte value does not change.

Common *STB? query

 

 

The details of the status byte register

 

and one numerical value from MSS

 

(Master Summary Status) are returned.

Service request enable register

Common *SRE? query

 

Common *ESR? query

Standard event status register

In this case, the details of the register is

 

cleared after it is read.

Standard event status enable

Common *ESE? query

In this case, the detail of the register

register

will not change.

 

 

SCPI command (STATus subsystem)

SCPI event register

: STATus : ... : EVENt?

In this case, the details of the register

 

 

will be cleared.

 

SCPI command (STATus subsystem)

SCPI enable register

: STATus : ... : ENABle

In this case, the details of the register

 

-

will not change.

 

 

SCPI command (STATus subsystem)

 

: STATus : ... : PTRansition?

SCPI Transition filter

: STATus : ... : NTRansition?

 

In this case, the details of the register

 

will not change.

ErrorEvent Queues

SCPI command

: SYSTern : ERRor?

 

NOTES :

 

Writing Methods

Disabled

Common *SRE? command

Disabled

Comn~on*ESE? command

Disabled

SCPI command (STATus subsystem)

:STATus : ... : ENABle?

SCPI command (STATus subsystem)

:STATus : ... : PTRansition

:STATus : ... : NTRansition

Disabled

1. The SCPI event register, SCPI enable register and SCPI Transition filter correspond to the event register, enable register and Transition filter in the status registers specified by SCPI and the device-specific status registers.

2.See the Section 5 "Common IEEE4XS.Z Commands" for more information on the common command\ and queries and the Section 8 "Device Message Details" for more infonnation on the SCPI commands.

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Anritsu MP1777A Reading, Writing and Clearing Status Registers, Reading and writing methods, Writing Methods