Measurement Computing DAC488 v.1 - Manual (Page 59)

DAC488 User’s Manual DAC488 Commands 53
Command Groups
As introduced in Chapter 4, all of the DAC488 commands can be divided into two main groups: System
commands and port commands.
System Commands
System commands affect the operation of the entire interface and are not specific to a given port. The 15
system commands are listed below:
@ Trigger On @ Q External Trigger Mask
D Digital Output S System Defaults
E? Query Error Status T Command Trigger Mask
G GET Trigger Mask U User Status
K End-Or-Identify Control W Test
M Service Request Mask X Execute
O Output Format Y Bus Terminator
P Port Select
Port Commands
Port commands only affect the operation of the selected port. The port is selected using the Port Select ( Pn )
command. The 11 port commands are listed below:
A Autorange J Gain Calibration
B Buffer Data L Buffer Location
C Control Mode N Number of Cycles
F Buffer Definition R Range Select
H Offset Calibration V Value Output
I Interval
Command Support
Support for the above 26 commands, includes the Query ( ? ) command extension, and the use of the Serial
Poll Status Byte. Refer to the upcoming “Command Reference” section in this Chapter, for more details.