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NI-488.2M TM Software for Windows 95
Quick Reference Card
Status Word Conditions (ibsta)
Mnemonic Bit Pos. Hex Value Type Description
ERR 15 8000 dev, brd GPIB error
TIMO 14 4000 dev, brd Time limit exceeded
END 13 2000 dev, brd END or EOS detected
SRQI 12 1000 brd SRQ interrupt received
RQS 11 800 dev Device requesting service
CMPL 8 100 dev, brd I/O completed
LOK 7 80 brd Lockout State
REM 6 40 brd Remote State
CIC 5 20 brd Controller-In-Charge
ATN 4 10 brd Attention is asserted
TACS 3 8 brd Talker
LACS 2 4 brd Listener
DTAS 1 2 brd Device Trigger State
DCAS 0 1 brd Device Clear State
Error Codes (iberr)
Mnemonic Decimal Value Meaning
EDVR 0 System error
ECIC 1 Function requires GPIB board to be CIC
ENOL 2 No Listeners on the GPIB
EADR 3 GPIB board not addressed correctly
EARG 4 Invalid argument to function call
ESAC 5 GPIB board not System Controller as required
EABO 6 I/O operation aborted (timeout)
ENEB 7 Nonexistent GPIB board
EDMA 8 DMA error
EOIP 10 Asynchronous I/O in progress
ECAP 11 No capability for operation
EFSO 12 File system error
EBUS 14 GPIB bus error
ESTB 15 Serial poll status byte queue overflow
ESRQ 16 SRQ stuck in ON position
ETAB 20 Table problem
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NATIONAL NI-488