Measurement Computing DAC488 v.1 - Manual (Page 65)

DAC488 User’s Manual DAC488 Commands 59
A - Autorange
TYPE Port Command
SYNTAX An Where n = 0 or 1 .
A0 Disable autoranging for selected DAC port.
A1 (Default) Enable autoranging for selected DAC port.
A? Returns current autorange setting.
DESCRIPTION
The Autorange command will enable or disable autoranging for the selected DAC port. If Autoranging is enabled, the
DAC488 will select the range for the best resolution for the specified output voltage. The DAC488 will select a range
for the specified voltage (V) based on the table shown. If Autoranging is disabled, the range is set using the Range
Select (Rn) command.
Voltage Range
0 < V <
±
1 R1 (
±
1 V range)
1 < V <
±
5 R2 (
±
5 V range)
5 < V R3 ( ± 10 V range)
Note: If Autoranging is enabled, the Range Select (Rn) command should not be used. A Conflict Error (E3) will
result if the Range command is issued while the Port is in Autorange.
EXAMPLE 1: Triggering a single port.
PRINT#1,"CLEAR09" Line 1: Reset the DAC488
PRINT#1,"OUTPUT09;C0 P1 A1 V3 X" Line 2: Select Direct Control mode, select Port 1, enable
Autorange, output 3 volts. DAC488 will output 3 volts on port 1.