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Status byte when read by *stb – VXI 3002 User Manual

Page 67

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STATUS BYTE

3-37

Status byte when read by *STB?

*SRE
*SRE?

&

&

&

&

*STB?

C0073

OR

&

e

d

d

e

d

d

e

d

d

e

d

d

e

d

d

e

d

d

e

d

d

e

d

d

3

3

3

7

7

7

5

5

5

1

1

1

2

2

2

6

6

6

4

4

4

0

0

0

&

&

-

Status Byte Register

Service Request Enable Register#

Register

Read

Command

Register

Read/Write

Commands

# Bit 6 in this register ignores data sent by *SRE and always returns 0 in response to
*SRE?

, and are defined in IEEE 488.2

is a device defined queue summary bit indicating that the error queue is
non-empty.
is true when (Status Byte) AND (Enable register) > 0.
is the standard event register summary bit.
is 'message available' indicating that the output queue is non-empty.
is 'hardware status' summary bit
is 'coupling status' summary bit
is 'instrument status' summary bit

The Status Byte Register is Not cleared by the *STB? query.