R&S ZNA26 - Page 1647

Annexes
R&S
®
ZNA
1647User Manual 1178.6462.02 ─ 20
Command Meaning Effect on the instrument
@LOC Go to Local Transition to the "local" state (manual control).
@REM Go to Remote Transition to the "remote" state (remote control).
12.3.3 GPIB interface
The R&S ZNA is equipped with a GPIB (IEC/IEEE) bus interface The interface connec-
tor is located on the rear panel of the instrument. The GPIB bus interface is intended
for remote control of the R&S ZNA from a controller.
Characteristics of the interface
●
8-bit parallel data transfer
●
Bidirectional data transfer
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Three-line handshake
●
High data transfer rate of max. 1 MByte/s
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Up to 15 devices can be connected
●
Wired OR if several instruments are connected in parallel
Pin assignment
Bus lines
●
Data bus with 8 lines D0 to D7:
The transmission is bit-parallel and byte-serial in the ASCII/ISO code. D0 is the
least significant bit, D7 the most significant bit.
●
Control bus with five lines:
Interfaces and connectors