BNC 845-M User Manual

Page 17

Advertising
background image

 

17 
 

Model 845-M Programmer’s Manual V1.1 2011

The Operation Status group, consisting of the Operation Condition register, the Operation Positive

Transition register, the Operation Negative Transition register, the Operation Event register and

the Operation Event Enable register.

Standard Event Status Group

The Standard Event Status group, consisting of the Standard Event Status register (an Event register)

and the Standard Event Status Enable register, is used to determine the specific event that set bit 5 of

the Summary Status Byte.

The bits in the Standard Event Status register provide the following:

Bit Description

0 Set to indicate that all pending Model 845-M operations were completed following execution of

the

“*OPC” command.

1 Request control

2 Set to indicate that a query error has occurred. Query errors have SCPI error codes from

–499 to –400.

3 Set to indicate that a device-dependent error has occurred. Device-dependent errors have SCPI

error

codes from –399 to –300 and 1 to 32767.

4 Set to indicate that an execution error has occurred. Execution errors have SCPI error codes from

–299

to

–200.

5 Set to indicate that a command error has occurred. Command errors have SCPI error codes from

–199

to –100.

6 User request

7 Power on

Standard Event Status Enable register (ESE commands)

Operation Status Group

The Operation Status group, consisting of the Operation Condition register, the Operation Positive

Transition register, the Operation Negative Transition register, the Operation Event register, and the

Operation Event Enable register, is used to determine the specific condition that

set bit 7

in the

Summary Status Byte. The bits in the Operation Event register provide the following:

Advertising