6.5Reading, Writing and Clearing Status Registers

(2)Clearing and resetting methods

The table below shows clearing and resetting methods of status registers and the range of their effects.

Table 6-8 Clearing and Resetting Methods of Status Registers

Register

1

*RST

*CLS

Power

STATUS:PRESet

Other Clearing

Source ON #

Methods

Status byte register

1

No change

Clear

Clear

No change

 

Service request

1

No change

No change

Clear

No change

Execution of *SRE 0

Standard event status

No change

No change

Clear

 

No change

 

Execution of *ESE 0

enable register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reading of events by

SCPI event register

No change

Clear

Clear

 

No change

 

: STATUS: ... : EVENt? to

 

 

 

 

 

 

 

clear the status register

SCPI enable register

I

No change

Reset

 

Reset

 

Execution of

! No change

 

 

: STATus : ... : ENABle 0

 

 

 

 

 

 

1

Execution of the

,

No change

Reset

 

Reset

: ST.ATus : ... : PTRansition O

SCPI Transition filter

No change

 

I

: STATus : ...: NTRansition 0

No change 1

Clear 1

 

I

 

;

 

 

 

1 Reading of all the events

Enorievent queue

Clear

No change

1

bv : SYSTeni : ERRor?

NOTES :

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 device-specific status registers.

2.Cleared (or reset) when the power source is switched ON with the *PSC (Power-ON Status Clear) flag set as true by the common PSC command.

The table below shows the reset values of registers influenced by the : STATus : PRESet command.

Reaister 0

EnableIFilter

I Reset Value 1

OPERational status register

Enable register

ALL 0

PTRansition filter

ALL 1

QUEStionable status register

NTRansition filter

ALI*0

 

 

Enable register

ALL 1

INSTrument status register

PTRansition filter

ALL 1

 

NTRansition filter

ALL 0

 

Enable register

ALL l

Other status registers

PTRansitinn filter

ALL 1

 

NTRansition filter

ALL 1

Page 69
Image 69
Anritsu MP1777A operation manual Clearing and Resetting Methods of Status Registers, Reset Value, Reaister