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1 Installing and Configuring the 82350
20 82350B Installation and Configuration Guide
After the 82350 is installed in your PC, the next
step is to connect your GPIB instruments to the
installed 82350. Suggested steps follow. When you
have made the connections, go to “Step 4 -
Configuring the 82350”.
1 Review Connection Guidelines. The
recommended method for connecting a GPIB
system is a linear arrangement with the system
controller (PC) at one end of the system.
However, a GPIB system can also be connected
together in a star, linear, or a combination
configuration as long as the total number of
devices on the system is £ 14 and these
guidelines are followed:
• To minimize stress on connector mountings,
no more than three cable connectors blocks
should be stacked on top of one another.
The GPIB connector screws should be
finger-tightened only.
• Minimize cable length as much as possible.
All system devices must have tri-state
drivers and must be powered on. Systems
with devices not using tri-state drivers are
limited to transfer rates < 250 Kbytes/sec.
• For operation with data transfer rates < 500
Kbytes/sec, the total length of all GPIB
cables is ≤ 2 meters times the number of
devices connected together, up to a
maximum of 20 meters.
• For operation with data transfer rates > 500
Kbytes/sec, the total length of all GPIB
cables is > 1 meter times the number of
devices connected together, up to a
maximum of 15 meters.
• The length between adjacent devices is not
critical as long as the overall restriction is
met. GPIB bus extenders are available that
allow operation over much greater distances.