Download NI-488.2 Function Reference Manual for Windows

Transcript
Chapter 1
NI-488.2 Traditional Calls — IBCONFIG
Table 1-7. ibconfig Device Configuration Parameter Options (Continued)
Option (Constant)
IbcREADDR
Value
Description
zero
No unnecessary readdressing is performed
between device-level reads and writes.
non-zero
Addressing is always performed before a
device-level read or write.
Default determined by the NI-488.2 Configuration utility.
IbcSAD
Identical to ibsad. Changes the secondary address of the device.
Default determined by the NI-488.2 Configuration utility.
IbcSPollTime
0 to 17
Sets the length of time the driver waits for a serial
poll response byte when polling the given device.
The length of time represented by 0 to 17
corresponds to the ibtmo values.
Default is 11.
IbcTMO
Identical to ibtmo. Changes the device timeout period.
Default determined by the NI-488.2 Configuration utility.
IbcUnAddr
IbcWriteAdjust
zero
Do not send Untalk (UNT) and Unlisten (UNL)
at the end of device-level reads and writes.
non-zero
Send UNT and UNL at the end of device-level
reads and writes.
zero
No byte swapping.
one
Swap pairs of bytes during a write.
NI-488.2 Function Reference Manual for Windows
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