Measurement-computing Serial488/4 Manuel d'utilisateur télécharger pdf (Page 56)

Section 3 Command Descriptions

3.17

Port Select Pn

The Port Select command determines which port is selected for execution of

serial setup commands and for data input/output w hen using the Dual Primary

addressing mode. The factory default setting as set by the Save Configuration

command (

) is

, port 1 selected.

Port 1 is selected

Port 2 is selected

Port 3 is selected

Port 4 is selected

Return present port selection

Example 1: Select port 1, then send a message using dual primary addressing mode.

PRINT#1,"OUTPUT08;P1X"

select port 1 as the current port

PRINT#1,"OUTPUT08;a0b5c1d1X"

select 1 stop bit, 2400 baud, odd parity

8 data bits

PRINT#1,"OUTPUT08;g1n0t13X"

select Xon/Xoff, automatic

handshaking, terminator CR

PRINT#1,"OUTPUT09;Startup

send a startup message out port 1

message"

Example 2: Select port 1, then send a message using secondary addressing mode.

PRINT#1,"OUTPUT0800;P1X"

select port 1 as the current port

PRINT#1,"OUTPUT0800;a0b5c1d1X"

select 1 stop bit, 2400 baud, odd parity,

8 data bits

PRINT#1,"OUTPUT0800;g1n0t13X"

select Xon/Xoff, automatic

handshaking, terminator CR

PRINT#1,"OUTPUT0801;Startup

send a startup message out port 1

message"

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Measurement-computing Serial488/4 Manuel d'utilisateur Page 56