4-1
Initial Setting
4
The GPIB interface system is initialized at three levels. At level 1, “bus initializa-
tion” is performed to place the system bus in the idle state. At level 2, “message
exchange initialization” is performed to enable devices to receive program mes-
sages. At level 3, “device initialization” is performed to initialize device-depen-
dent functions.
At these three initialization levels, preparations are made for starting devices.
4.1 Initialization of Bus by IFC Statement............ 4-4
4.2 Initialization of Message Exchange by
DCL and SDC Bus Commands ..................... 4-6
4.3 Initialization of Devices by ∗RST Command.. 4-8
4.4 Device States at Power-on ............................ 4-13
Section 4 Initial Setting
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