Protek 9216A, Руководство пользователя, Страница: 66 / 77

35
98

100

102

104

106


1%

1%

1%

1%

1%
Bin 0 Bin 1
Bin 2 Bin 3 Bin 4
... ...
Figure 4-2 Example of Sequential Bins With Different Nominal Values
Bin 0 Bin 1 Bin 2 Bin 3 Bin 4
... ...

5%

3%

1%

1%

3%

5%
Nominal value
Figure 4-3 Example of Sequential Bins With a Single Nominal Value
General Procedures
Binning data can be entered manually using the BIN# , NOM , and LIM keys, or over the
RS232
A bin is defined by a bin number, with a nominal value and upper and lower limits (in
per cent). If a nominal value is not entered for a bin, it will take the nominal value of the
next lower bin. Bin 0 is the exception; if bin 0 does not have a nominal value and limits,
all parts will fail. Parts that fall into more than one bin are assigned to the lower num-
bered bin. Thus, the tightest tolerance should be assigned to the lowest bin number. Any
parts that fall into gaps between bins are assigned to the general failure bin (Bin 9). If on-
ly one limit of a pair is entered, the limits will be assumed to be a symmetric pair (

X%,
where ―X‖ is the entered limit value). Unused bins should be closed (assigned 0% limits).
After bin clear or
RCL 0 , all bins are closed.
Parts that would fall into both the general failure bin (Bin 9) and the QDR failure bin
(Bin 8) are assigned to the QDR fail bin only. The QDR limits are maximums depending
on which parameter is being measured. if a Q value is negative, (for a resistor) the abso-
lute value should be entered, and the meter performs a comparison between the absolute
value of the QDR reading and the QDR limit. There are no limits for the QDR bin, only a
nominal value. To disable the QDR comparison, set the nominal value to its extreme val-
ue, as listed in Table 4-1.
Table 4-1 QDR Limits and Extreme Values
Measurement Mode QDR Limit Extreme Value
R + Q Q maximum 9999.9
L + Q Q minimum 0
C + D D maximum 9999.9
C + R series R maximum 99999
C + R parallel R minimum 0