Download NI-488.2 Function Reference Manual for DOS/Windows

NI-488 Functions
Chapter 1
IBWAIT
IBWAIT
Board Level
Device Level
(Continued)
Table 1-9. Wait Mask Layout
Mnemonic
Bit Pos. Hex Value
Description
ERR
15
8000
GPIB error
TIMO
14
4000
Time limit exceeded
END
13
2000
GPIB board detected END or EOS
SRQI
12
1000
SRQ asserted (board only)
RQS
11
800
Device requesting service (device only)
SPOLL
10
400
The board has been serial polled by the
Controller
EVENT
9
200
A DTAS, DCAS, or IFC event has occurred
CMPL
8
100
I/O completed
LOK
7
80
GPIB board is in Lockout State
REM
6
40
GPIB board is in Remote State
CIC
5
20
GPIB board is CIC
ATN
4
10
Attention is asserted
TACS
3
8
GPIB board is Talker
LACS
2
4
GPIB board is Listener
DTAS
1
2
GPIB board is in Device Trigger State
DCAS
0
1
GPIB board is in Device Clear State
NI-488.2 FRM for DOS/Windows
1-118
© National Instruments Corp.