Delay range: 0~60s; 0 means no delay.
The maximum test delay is 60 seconds.
7.8.10 Cylinder Ctrl
This area is used to set the switch of cylinder 24V power.
ON: Output of 24V cylinder power is allowed during scanning.
OFF: Output of 24V cylinder power is forbidden during scanning.
FAIL HOLD: the test is stopped when a defective product is encountered during scanning.
FAIL LOCK: the test is stopped when a defective product is encountered during scanning, and the
system is locked.
7.8.11 Scan Box Mode
This area is used to set the test fixture used when the instrument scans.
Internal: It means that the internal scanning board of the instrument is used during the test, which is
only equipped with TH2840NX.
TH1831: It means that the TH1831 scan box is used in the test.
TH1806: It means that the TH1806 scan box is used during the test, which is compatible with the
TH1901 scan box.
Note: This function needs to be selected according to the fixture used in the actual situation.
Inconsistent selection will cause the instrument to fail to obtain correct test results.
7.8.12 Resistance Source
TH2840X provides two output resistances to choose from: 100 Ω, 30 Ω.
When testing inductance, in order to compare data with other types of testers, it is necessary to
ensure the same output resistance value.
When measuring some magnetic cores with very high permeability, use 100Ω internal resistance to
reduce the degree of polarization of the magnetic core, which can improve the accuracy and stability
of the test.
Note: When using bias current output, the default is 100 Ω.
7.8.13 Bias Source
The bias source function is used to select the DC bias source used by the instrument. The
transformer scan only provides two bias sources as follows:
100mA (40V) mode: The transformer scan test uses a DC bias current source (0～100mA).
2A mode: The transformer scan test uses a DC bias current source (0～2A).
Note: When the DC bias source is enabled, only 100 Ω output resistance can be used.
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