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2
IEEE-488 Command Reference
PPE
Once the N432A has received a PPC command, the PPE (Parallel Poll Enable)
secondary command configures the N432A to respond to a parallel poll on a
particular data line with a particular level.
Table 2-6
Bit
0
1
2
3
4
5
6
7
PPU
The PPU (Parallel Poll Unconfigure) command disables the N432A from
responding to a parallel poll. This is effectively a universal disable.
140
Bit definitions: PPE
Weight/Decimal value
1
2
4
8
16
32
64
128
Definition
Bit positions for response:
000 (bit 0), 001 (bit 1), 010 (bit 2), 011 (bit 3), 100 (bit 4),
101 (bit 5), 110 (bit 6), 111 (bit 7)
Sense bit
0 – response bit is cleared during a parallel poll if requesting
service
1 – response bit is set during a parallel poll if requesting
service
Always 0
Always 1
Always 1
Always 0
Keysight N432A Programming Guide
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