Remote Interface Configuration
If you have the security option installed on your instrument, the instrument must be unsecured with the
security code to perform many of these actions.
The instrument supports remote interface communication over three interfaces: GPIB (optional), USB, and LAN
(optional on 34460A). All three are "live" at power up when the instrument ships from the factory.
l GPIB Interface: Set the instrument's GPIB address and connect to your PC using a GPIB cable.
l USB Interface: Use the rear-panel USB connector to communicate with your PC. For details, see USB Settings.
l LAN Interface: By default, DHCP is on, which may enable communication over LAN. The acronym DHCP stands
for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to networked devices. With
dynamic addressing, a device can have a different IP address every time it connects to the network.
Connectivity Software and Product CDs
The instrument ships with one or two CDs:
l Agilent Automation-Ready CD: Contains Agilent IO Libraries Suite software, which must be installed to enable
remote-interface operations. The CD auto-starts and provides information on installing the software. Also includes
Agilent Technologies USB/LAN/GPIB Connectivity Guide, which contains additional information.
l Agilent Truevolt Series Product-Reference CD (optional on 34460A):Contains product documentation
and links to drivers; auto-starts and provides instructions.
GPIB Configuration
Each device on the GPIB (IEEE-488) interface must have a unique whole number address between 0 and 30. The
instrument ships with a default address of 10, and the GPIB address is displayed at power-on.
l This setting is non-volatile; it will not be changed by power cycling or *RST.
l Your computer’s GPIB interface card address must not conflict with any instrument on the interface bus.
l Front Panel: Press [Utility] > I/O Config > GPIB Settings. From this menu, you can set the GPIB address
and turn GPIB on or off. After making changes, you must cycle power on the instrument for the change to take
effect.
l SCPI:
SYSTem:COMMunicate:GPIB:ADDRess <address>
SYSTem:COMMunicate:ENABle {ON|1|OFF|0},GPIB
LAN Configuration
The following sections describe the primary front-panel LAN configuration functions, including SCPI commands where
applicable. Some LAN configuration functions can be performed only via SCPI. See SYSTem Subsystem - I/O
Configuration for all LAN configuration commands, and see LAN Configuration Procedure to configure the LAN via the
front panel.
Some LAN settings require you to cycle instrument power in order for to activate them. The
instrument briefly displays a message when this is the case, so watch the screen closely as you
change LAN settings.
Agilent Truevolt Series DMM Operating and Service Guide 23
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