GPIB
4-12 370B User Manual
STAR
LINE
MIXED
Figure 4-4: Bus configurations
With the 370B connected by GPIB cable to the system and the address and
message terminator has been set, the system is ready to power up. Powering up
the 370B as part of a GPIB system involves special considerations, as detailed in
the following paragraphs.
Remember, when powering up a system with several GPIB instruments on the
bus, at least half of the instruments must be powered up before the controller is
brought “on-line”.
Self Test. To turn on the 370B, press the front panel POWER switch. The 370B
performs a self-test at power-up and initializes itself to a pre-defined state, after
which it’s ready to make measurements. For details of the power-up test, see
Diagnostic Routines and Messages on page C–1. The power-up default state for
the 370B is the same as for the INIt command described under Table 4–11
System Commands and Queries in the Command list portion of this section.
PowerĆUp SRQ. When the power-up tests have been completed, the 370B asserts
the GPIB line called SRQ. In the interface, the status byte is set to 65.
Powering Up
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General