Agilent Technologies 34970A, Руководство по обслуживанию, Страница: 59 / 273

To Write to a Digital Output Port
The multifunction module (34907A) has two non-isolated 8-bit
input/output ports which you can use for outputting digital patterns.
1 Select the Digital Output port.
Select the slot containing the multifunction module and continue
turning the knob until
DIN
is displayed (channel 01 or 02).
2 Enter the bit pattern editor.
Notice that the port is now converted to an output port (
DOUT
).
00000000 DOUT
3 Edit the bit pattern.
Use the knob and or keys to edit the individual bit values.
You can specify whether you want to use binary or decimal format.
Once you have selected the number base, it is used for all input or
output operations on the same port. To change the number base,
press the
key and select
USE BINARY
or
USE DECIMAL
.
240 DOUT
4 Output the bit pattern to the specified port.
The specified bit pattern is latched on the specified port. To cancel an
output operation in progress, wait for the display to time out.
Binary Display Shown
Bit 7 Bit 0
Decimal Display Shown
3
Chapter 3 Front-Panel Overview
To Write to a Digital Output Port
57