Measurement Computing TempScan/1100 - Manual (Page 259)

TempScan/MultiScan, Appendix B 889597 IEEE488, Serial, & ASCII B-1
Appendix B – IEEE 488, Serial, and ASCII B
IEEE 488 Bus & Serial Bus Lines …… B-1
IEEE 488 Bus Commands …… B-2
ASCII Codes …… B-3
ASCII Code Summary …… B-3
ASCII Code Details …… B-5
Abbreviations …… B-10
IEEE 488 Bus & Serial Bus Lines
Bus State Bus Line Data Transfer (DIO) Lines
8 7 6 5 4 3 2 1
Bus Management Lines
IFC Interface Clear
REN Remote Enable
IEEE 488 Interface: Bus Management Lines
ATN Attention ($04) 0 0 0 0 0 1 0 0
EOI
End-Or-Identify ($80)
1 0 0 0 0 0 0 0
SRQ Service Request ($40) 0 1 0 0 0 0 0 0
IEEE 488 Interface: Handshake Lines
DAV Data Valid ($08) 0 0 0 0 1 0 0 0
NDAC Not Data Accepted ($10) 0 0 0 1 0 0 0 0
NRFD Not Ready For Data ($20) 0 0 1 0 0 0 0 0
Serial Interface: Bus Management Lines
DTR Data Terminal Ready ($02) 0 0 0 0 0 0 1 0
RI Ring Indicator ($10) 0 0 0 1 0 0 0 0
RTS Request To Send ($01) 0 0 0 0 0 0 0 1
Serial Interface: Handshake Lines
CTS Clear To Send ($04) 0 0 0 0 0 1 0 0
DCD Data Carrier Detect ($08) 0 0 0 0 1 0 0 0
DSR Data Set Ready ($20) 0 0 1 0 0 0 0 0
Hexadecimal & Decimal Values
Hexadecimal Value $80 $40 $20 $10 $08 $04 $02 $01
Decimal Value 128 064 032 016 008 004 002 001