IEEE-488 PROGRAMMING
MODEL NUMBER (263) TEMPERATURE COMPENSATION (Cl
FUNCTION (Fl
0 = Ternperanrre colnpensation off
0 = Ohms
1 = Temperature compensation on
1 = Amps
GUARD 0
2 = Volts
0 = Guard off
3 = Cd
1 = Guard on
4 = V/R Amps
5 = Ext Volts
PREFIX (G)
6 = Ladder
0 = Prefix
7 = V/R Coul
1 = No prefiv
RANGE (R)
OPERATE (0)
RllUXl
m (Autorange)
0 = Standby
0 = Autorange
off
1 = Operate
1 = Autorange on SRQ MASK OM)
nn (Range)
00 = Mask cleared
Ohms Amps
VORS Gaul Ladder
02
= Charge done
01 = 1 kO
2 PA 2oomv
2opc
IML
16
= Ready
02 = 10 kR
20 pA 2 v
2oopc
IOML
32 = Error
03 = 100 kR
200 pA 20 v
2nC
1OOML
04 =
IMR
2 n.4 20 v
20nC IGL
EOI (K,
05 = 1OMi-l
20 n.4 20 V
200nC 10GL
0 = EOI
06 =
lOOM0
200 n4 20 v
2,tC 1OOGL
1 = NoEOI
07 = 1Gi-l 2@
20 V 20,tC 1OOGL
OS = lOGil
20
+A
20 V 2OOpC 1OOGL
TERMINATOR ci)
09 = 1OOGR
200 pA 20
V
200&C
1OOGL
0 = CR LF
10 = lOOGO 2,n.b. 20
V
2OOpC 1OOGL
1 = LF CR
11 = lOOGO
2OmA 20 V
2OO,,C 100GL
2 = CR
3
= LF
ZERO (Z)
4 = None
0 = zero off
1 = Zero on
Figure 4-9. UO Machine Status Word (Default Conditions Shown)
MODEL NO.
IDDC
IDDCO
NO REMOTE NUMBER SELF-TEST
263
l/O
1/o
l/O
110 l/O
OOOO<TERM>
1
Figure 4-9. Ul Error Status Word
U2: The U2X sequence allows access to instrument data conditions. The U2 word
is made up of ASCII characters representing binary values (0 or 1). The bits
in the U2 status word are shown in Figure 4-10, and described as follows:
Uncalibrated. There are two situations that will cause this bit to set.
1. This bit will be set if a calibration value is sent with the calibration switch
in the disable position.
4-24
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