82 Agilent Cary 8454 UV-Visible Spectroscopy System Installation Guide
6 GPIB Communication, Connections and Configuration
GPIB Communication
the GPIB connector is wider than a typical PC slot, you may have to
leave the slot(s) adjacent to the GPIB interface empty.
3 Loosen the mounting screw and remove the selected empty slot’s rear
plate.
4 Holding the board by its edges, insert the board into its slot. Make
certain that the board’s edge connector is fully seated. Lock the board
into place with the mounting screw.
5 Replace the computer's cover(s). Plug in, and restart the computer.
GPIB Cabling
When connecting GPIB devices together, there are several basic rules that
should be observed.
1 Whenever possible, turn off and unplug the computer and all attached
devices before the GPIB cables are installed.
2 Before connecting any analytical instrument to an GPIB cable, consult
the documentation supplied with each device and determine its GPIB
address. No two devices, including the PC connected to a GPIB
interface, may have the same address. Alter their addresses as
necessary to avoid any duplication. Write down each GPIB address. This
information will be needed later.
3 Try to use short GPIB cables that are two meters long or less.
4 GPIB cable (0.5 m) (10833D)
GPIB cable (1.0 m) (10833A)
GPIB cable (2.0 m) (10833B)
GPIB cable (4.0 m) (10833C)
5 Connect one end of an GPIB cable to the computer’s GPIB connector or
use the USB GPIB converter interface to connect to the first
instrument.
6 Be certain that you properly tighten all GPIB connectors. A poor
connection causes errors which are difficult to diagnose.
7 Connect GPIB devices in a chain. A chain occurs when an GPIB device
is connected to the next GPIB device, and it is, in turn, connected to
the next, and so on. Avoid star configurations (connecting all of the
devices to a central point).
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