7451A/7461A/7461P Digital Multimeter Operation Manual
6.2 GPIB
6-3
6.2 GPIB
6.2.1 Overview
The automatic measurement system can be set up easily by using GPIB (General Purpose Interface Bus)
because measurement functions and parameters can be set and measurement data can be read by using the
external control.
The measurement values are not affected by any external devices connected to this instrument, because the
GPIB signals from this instrument are electrically isolated from the measurement signal system.
The remote commands are common to the USB commands.
• General Specifications
Standard: IEEE-488
Code: ASCII code
Logical level: Logic 0 “High” state +2.4 V or more
Logic 1 “Low” state +0.4 V or less
Table 6-1 Interface Functions
Code Function
SH1 Source handshake function
AH1 Acceptor handshake function
T5 Basic talker function, Listener-specified talker cancel function, Talk-
Only mode function, Serial polling function
L4 Basic listener function, Talker-specified listener cancel function
SR1 Service request function
RL1 Remote/Local switching function
PP0 No parallel polling function
DC1 Device clear function (The SDC and DCL commands can be used.)
DT1 Device trigger function (The GET command can be used.)
C0 No controller function
E2 Using the tri-state bus driver
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