Re marks: On de tect ing a DDE event, this com mand re turns the er ror list giv ing
the state of the DDE causes. When the er ror list is read all parts of the
list are cleared and will be up dated by any fur ther oc cur rence of the
listed events. The ERRLST re sponse is:
AB CDEF GHIJKLMNO!PPPPPP!QQQQQQ!
A = Sen sor A Zero state: 0 - ZERO done, 1 - Not done, 2 - Zero failed.
(HP er ror 01)
B = Sen sor B Zero state: 0 - ZERO done, 1 - Not done, 2 - Zero failed.
(HP er ror 02)
C = Sen sor A CAL state: 0 - Done, 1 - Failed. (HP er ror 05)
D = Sen sor B CAL state, 0 - Done, 1 - Failed. (HP er ror 06)
E = Sen sor A range hold: 0 - OK, 1 - Over range, 2 - Un der range. (HP
er ror 17)
F = Sen sor B range hold: 0 - OK, 1 - Over range, 2 - Un der range. (HP
er ror 18)
G = Dis play chan nel 1 read ing out of range; 0 - OK, 1 - Over range, 2 -
Un der range. (HP er ror 25)
H = Dis play chan nel 2 read ing out of range: 0 - OK, 1 - Over range, 2 -
Un der range. (HP er ror 25)
I = Dis play chan nel 1 il le gal log op era tion: 0 - OK, 1 - Er ror. (HP er ror
27)
J = Dis play chan nel 2 il le gal log op era tion: 0 - OK, 1 - Er ror. (HP er ror
27)
K = Printer er ror: 0 - OK, 1 - Print er ror, 2 - Buffer full. 3 - Pa per out
L = Sen sor A fit ted and used state: 0 - Fit ted, 1 - Not fit ted and used
M = Sen sor B fit ted and used state: 0 - Fit ted, 1 - Not fit ted and used
N = Dis play chan nel 1 lim its state: 0 - Passed, 1 - High limit failed, 2 -
Low limit failed
O = Dis play chan nel 2 lim its state: 0 - Passed, 1 - High limit failed, 2 -
Low limit failed.
PPPPPP = Last cause of a GPIB com mand er ror
QQQQQQ = Last cause of a GPIB exe cu tion er ror.
NOTES
The GPIB com mand er ror and GPIB exe cu tion er ror
are al ways en closed within ex cla ma tion marks (!). If no
er rors have been pro duced since the last ERRLST was
read, the ERRLST will end with '!!!'.
When read for the first time af ter startup, a sen sor may
be re ported as not fit ted even though it is. This is be -
cause the er ror con di tion of a sen sor used in a chan nel
con figu ra tion was re corded be fore the sen sor ini tiali za -
tion was com pleted.
If a sensor is not used in a channel con figu ra tion, it will
be reported as Zeroed, although it may not have been. If
ML2400A OM 6-37
GPIB OPERATION ML24XXA NATIVE COMMANDS
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