9-6 Remote Operation Model 6485 Picoammeter Instruction Manual
NOTE To minimize interference caused by electromagnetic radiation, use only shielded
IEEE-488 cables. Available shielded cables from Keithley are Models 7007-1
and 7007-2.
To connect Model 6485 to the IEEE-488 bus, follow these steps:
1. Line up the cable connector with the connector located on the rear panel. The con-
nector is designed so that it will fit only one way. Figure 9-3 shows the location of
the IEEE-488 connector.
Figure 9-3
IEEE-488 connector location
2. Tighten the screws securely, making sure not to over tighten them.
3. Connect any additional connectors from other instruments as required for your
application.
4. Make sure that the other end of the cable is properly connected to the controller.
Most controllers are equipped with an IEEE-488 style connector, but a few may
require a different type of connecting cable. See your controllers instruction man-
ual for information about properly connecting to the IEEE-488 bus.
NOTE You can only have 15 devices connected to an IEEE-488 bus, including the con-
troller. The maximum cable length is either 20 meters or two meters times the
number of devices, whichever is less. Not observing these limits may cause
erratic bus operation.
120
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
IEEE-488
2
MADE IN
U.S.A.
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