14-6 Remote Operations 2400 Series SourceMeter
®
User’s Manual
To connect the SourceMeter 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 it will fit only one way. Figure 14-3 shows the location of the
IEEE-488 connector.
2. Tighten the screws securely, making sure not to overtighten them.
3. Connect any additional connectors from other instruments as required for your
application.
4. Make sure 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 controller's instruction manual 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 multiplied
by the number of devices, whichever is less. Not observing these limits may
cause erratic bus operation.
Figure 14-3
IEEE-488 connector location
Primary address
The SourceMeter ships from the factory with a GPIB primary address of 24. When the
unit powers up, it momentarily displays the primary address. You can set the address to a
value from 0 to 30, but do not assign the same address to another device or to a controller
that is on the same GPIB bus (controller addresses are usually 0 or 21).
The primary address can be checked and/or changed from the COMMUNICATIONS
option of the Main Menu (Section 1, “Main menu”).
INPUT/
OUTPUT
250V
PEAK
250V
PEAK
4-WIRE
SENSE
HI
LO
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
250V
PEAK
5V
PEAK
5V
PEAK
5V
PK
V, Ω,
GUARD
GUARD
SENSE
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