Status Byte Bit Definitions

MAV

Message available. Indicates that at least one

complete response is present in the output

 

buffer.

 

 

ESB

Event status bit. Indicates that one of the

enabled conditions in the Standard Event

 

Status register is set.

 

 

MSS

Master summary status. Indicates that the

801GX has a reason for requesting service.

 

 

 

RQS

Request service. This bit is read only by

executing a serial poll of the 801GX.

 

 

 

Event Status Bit Definitions

OPC

Operation complete. Indicates that all

operations have been completed.

 

 

 

RQC

Request control. Indicates that a device is

requesting control. The 801GX will never

 

request control, so this bit will always be 0.

 

 

QYE

Query error. Indicates that a query request

was made while the 801GX was in deadlock.

 

 

 

DDE

Device dependent error. Indicates that the

801GX encountered an error executing a

 

command.

 

 

EXE

Execution error. Indicates that there was an

error parsing a parameter.

 

 

 

CME

Command error. Indicates that there was an

unrecognizable command.

 

 

 

URQ

User request. Indicates that a front panel

button has been pressed or that the front

 

panel knob has been turned.

 

 

PON

Power on. Indicates that power has been

turned off-and-on. This bit will always be 0

 

in the 801GX.

 

 

6-68

Chapter 6: Programming

Model 801GC, 801GF & 801GX¥Rev. A

Page 194
Image 194
Quantum Data 801GC, 801GF, 801GX manual Status Byte Bit Definitions, Event Status Bit Definitions