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SECTION 4
GPZB
Znterface
Talker
Listener
UNL
Address
Address
A
B
C
CR
LF
DATA
ATN
DAV
NRFD
-
NDAC
I
I
Figure 4-3.
Data Transfer Example
4.1.7
Major Specifications
of Controller
Functions
l
Outputs IFC and REN signals.
l
Sets the ATN signal low to control the listener and
talker, and transmission
of commands such as device
clear.
l
Only one controller can be active on GPIB.
The multi-line interface message is the data output from
the controller when the ATN signal is low. This is shown
in Table 4-l.
4.1
.a
Multi-line Interface Message
4-4
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