Measurement-computing DAC488 v.1 Manuel d'utilisateur télécharger pdf (Page 82)

76 DAC488 Commands DAC488 User’s Manual

P - Port Select

TYPE

System Command

SYNTAX

Where

n = 1, 2, 3,

(Default) Select Port 1.

Select Port 2.

Select Port 3. (DAC488/4 only)

Select Port 4. (DAC488/4 only)

Return present port selection.

DESCRIPTION

The Port command determines which port is selected for use with subsequent commands. Only one port at a time

may be selected. However, commands may be sent to all ports within one command string if each set of port

commands are followed by the Execute (X) command.

EXAMPLE 1: One Command String for One Port.

PRINT#1,"CLEAR09"

Line 1: Reset the DAC488.

PRINT#1,"OUTPUT09;C0 P1 A1

V7 X"

Line 2: Select Direct Control mode, select Port 1, enable autoranging,

output 7 volts. The DAC488 will output 7 volts on port 1.

EXAMPLE 2: One Command String for Multiple Ports.

PRINT#1,"CLEAR09"

Line 1: Reset the DAC488.

PRINT#1,"OUTPUT09; P1 C0 A0

R3 V7 X P2 C0 A0 R3 V6 X"

Line 2: Select Port 1, select Direct Control mode, disable autoranging,

select ±10 volt range, output 7 volts. Select Port 2, select Direct

Control mode, disable autoranging, select ±10 volt range, output 6

volts. Port 1 will output 7 volts and Port 2 will output 6 volts.

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Measurement-computing DAC488 v.1 Manuel d'utilisateur Page 82