Model 7002Switch System Instruction Manual - Advanced Test ...

IEEE-488 Bus OverviewTable D-4Typical common command sequenceData busStep Command ATN state ASCII Hex Decimal123456UNLLAG*DataDataDataDataSet lowStays lowSet highStays highStays highStays high?Õ*RST3F272A525354633942828384Assumes primary address = 7.Table D-5IEEE command groupsHANDSHAKE COMMAND GROUPNDAC = NOT DATA ACCEPTEDNRFD = NOT READY FOR DATADAV = DATA VALIDUNIVERSAL COMMAND GROUPATN = ATTENTIONDCL = DEVICE CLEARIFC = INTERFACE CLEARREN = REMOTE ENABLESPD = SERIAL POLL DISABLESPE = SERIAL POLL ENABLEADDRESS COMMAND GROUPLISTENTALKLAG = LISTEN ADDRESS GROUPMLA = MY LISTEN ADDRESSUNL = UNLISTENTAG = TALK ADDRESS GROUPMTA = MY TALK ADDRESSUNT = UNTALKOTA = OTHER TALK ADDRESSADDRESSED COMMAND GROUPACG = ADDRESSED COMMAND GROUPGTL = GO TO LOCALSDC = SELECTIVE DEVICE CLEARSTATUS COMMAND GROUPRQS = REQUEST SERVICESRQ = SERIAL POLL REQUESTSTB = STATUS BYTEEOI = ENDD-9