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AMETEK PLA-PLW Programming Manual User Manual

Page 11

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C

C

C

O

O

O

M

M

M

M

M

M

O

O

O

N

N

N

C

C

C

O

O

O

M

M

M

M

M

M

A

A

A

N

N

N

D

D

D

S

S

S

Common commands begin with an * and consist of three letters (command) IEEE 488.2
standard to perform some common interface functions.

Common commands and queries are STEPed alphabetically. If a command has a
corresponding query that simply returns the data or status specified by the command, then
both command and query are included under the explanation for the command. If a query
does not have a corresponding command or is functionally different from the command, then
the query is STEPed separately. The description for each common command or query
specifies any status registers affected.

*CLS

Clear Status Command. This command causes the following actions:

Ϯ Clears the following registers without affecting any corresponding Enable registers

or Transition Filters:

Ŷ Questionable Status Event register.
Ŷ Operation Status Event register.
Ŷ Standard Event Status Event register.

Ϯ Clears the Error Queue.
Ϯ Forces a previously executed *OPC command to appear as if it had been completed.

It does not do this with the *OPC? command. (See *OPC? for more details).

Command Syntax

*CLS

Parameters

None

*ESE

Standard Event Status Enable Command/Query. This command sets the condition of the
Standard Event Status Enable register, which determines which events of the Standard Event Status
Event register (see *ESR?) are allowed to set the ESB (Event Summary Bit) of the Status Byte
register. A "1" in the bit position enables the corresponding event. All of the enabled events of the
Standard Event Status Event register are logically ORed to cause the ESB (bit 5) of the Status Byte
register to be set.

Command Syntax

*ESE

Parameters

0 to 255

Suffix

None

Query Syntax

*ESE?

Returned Parameters

Value: 0 to 255

*ESR?

Standard Event Status Register Query. This query reads the Standard Event Status Event
register.

Bit.

DESCRIPTION