Basic Controller Functions; Multi-Line Interface Messages - Keithley 3930A Operator's Manual

SECTION 4
GPIB
Interface
?gure 4-3.
Data Transfer Example
4.1.8
Basic Controller Functions
l
The controller sends single-line commands such as
IFC and REN.
. Only one controller can be active on the GPIB.
4.1.9
Multi-Line Interface Messages
l
The controller sets the ATN signal to low to address
devices to listen and talk, and to transmit commands
A multi-line interface message is sent over the data lines
such as DCL.
with ATN set low. Table 4-l summarizes these messages.
4-4