Figure 97: IEEE-488 connections
Figure 98: IEEE-488 connector location
Connect any additional connectors from other instruments as required for your application. Make sure
the other end of the cable is properly connected to the controller. You can have up to 15 devices
connected to a GPIB interface, including the controller. The maximum cable length is the lesser
of either:
• The number of devices multiplied by 2 m (6.5 ft)
• 20 m (65.6 ft)
You may see erratic bus operation if you ignore these limits.
Primary address
The 2600B ships from the factory with a GPIB primary address of 26. If the GPIB interface is enabled,
it momentarily displays the primary address on power-up. 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).
To set or check the primary address from the front panel:
1. Press the MENU key, select GPIB, and then press the ENTER key or the navigation wheel.
2. Select ADDRESS, then press the ENTER key or the navigation wheel.
3. Use the navigation wheel to set the primary address to the appropriate value, then press the
ENTER key or the navigation wheel.
4. Press the EXIT (LOCAL) key twice to return to the normal display.
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