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B&K Precision MDL Series - Programming Manual User Manual

Page 12

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12

Questionable Status Group

Same as Channel Status Group

Standard Event Status Group

Bit

Signal Meaning

0

OPC

Operation Complete. The load has completed all pending operations. *OPC

must be programmed for this bit to be set when pending operations are

complete.

2

QYE

Query Error. The output queue was read with no data present or the data was

lost. Errors in the range of 499 through 400 can set this bit.

3

DDE

Device-Dependent Error. Memory was lost or self-test failed. Errors in the

range of 399 through 300 can set this bit.

4

EXE

Execution Error. A command parameter was outside its legal range,

inconsistent with the load's operation, or prevented from executing because

of an operating condition. Errors in the range of 299 through 200 can set this

bit.

5

CME

Command Error. A syntax or semantic error has occurred or the load received

a within a program message. Errors in the range of 199 through 100 can

set this bit.

7

PON

Power-On. The unit has been turned off and then on since this bit was last

read.

Status Byte and Service Request Enable Registers

Bit

Signal Meaning

0

CSUM Channel Summary. Indicates if an enabled channel event has occurred.

2

EAV

Error Available Summary. Indicates if the Error Queue contains data.

3

QUES

Questionable Status Summary. Indicates if an enabled questionable event has

occurred.

4

MAV

Message Available Summary. Indicates if the Output Queue contains data.

5

ESB

Event Status Summary. Indicates if an enabled standard event has occurred.

6

RQS/MSS

Request Service. During a serial poll, RQS is returned and cleared.

Master Status Summary. For an *STB? query, MSS is returned without being

cleared.

7

OPER Operation Status Summary. Indicates if an operation event has occurred.