Bird-technologies 6091P Manual do Utilizador descarregar pdf (Página 44)

GPIB Commands

The activity on the bus is managed under the control of messages or commands. The

instruments operation is divided into two sets of function; general interface functions

and device dependent functions. General interface functions insure the instrument

responds correctly with respect to the GPIB signal lines. Device dependent functions

are used for specific instrument control, such as taking a power measurement.

General Interface

Commands

Table 7 below lists general GPIB interface commands applicable to the calorimeter.

The syntax for executing general commands varies among controllers; check the doc-

umentation supplied with your controller for the proper command structure.

Bird Model 6091 Calorimeter

Command Syntax Function

Remote ENable REN Enables remote operation.

Go To Local GTL Enables local operation.

Local LockOut LLO Disables local operation.

InterFace Clear IFC Ends bus activity, returns

control to GPIB controller.

Device CLear DCL Resets device command

status.

Selective Device Clear SDC Clears command status of

selected devices.

Group Execute Trigger GET Starts measurement cycle

for devices set to trigger

on GET.

Serial Poll Enable SPE Send device status bytes

to controller.

Serial Poll Disable SPD Clears controller status

bytes and turns off serial

poll.

Table 7

General

Interface

Commands

Remote ENable (REN)

Function

Enables remote operation.

Remarks

Unit must be addressed to listen after setting REN true.

Remote annunciator lights when device is remoted.

Flow, ∆T, ON/OFF buttons are disabled.

Press LOCAL/ADDRESS button to return to local mode.

Statements

National GPIB-PCII HP 200/300

V%=1 REMOTE 724

CMD$=CHR$(56)

CALL IBSRE (BRD%,V%)

CALL IBWRT (BRD%,CMD$)

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 60 61

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