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Calibration
The Calibration Procedure varies slightly with this option installed. The changes to the
calibration procedure are as follows:
• During Calibration of Continuity, the instrument should be calibrated to a standard
5.0Ω resistor rather than a 1.0Ω resistor. This change is reflected on the display
during calibration of continuity.
All other items in the Calibration Procedure remain unchanged. Please refer to the Calibration
section for details.
04 PLC Ready Output
The PLC Ready Output Option creates a signal that acts as an instrument power-on indicator.
The signal is available through the Remote I/O output connector which is located on the back
of the instrument. This option closes the relay contact between pin (1) and pin (2) on the
output connector once the instrument is powered on. The PLC Ready Output signal replaces
the Pass signal that is present on the standard instrument.
It should be noted that the term “Ready” in “PLC Ready Output” only implies that the
instrument is powered on. To perform a test, it should be verified that an interlock device is
used or the interlock disable connector that was provided with the instrument is installed, and
that there are no failure indicators active on the instrument. For more information on the
Remote I/O signals/connections and interlock refer to Section 7. Connection of Remote I/O.
05 3mA Output
The 3mA Output option limits the AC output current with software control. The trip points are
adjusted to a maximum of 3mA and the software has been modified so the high-speed
maximum current shutdown is fixed at 3mA. The following specifications have been changed
for this option:
DIELECTRIC WITHSTAND TEST MODE
Output Rating 5000V @ 3 mA AC
Maximum Limit AC Range: 0.00 - 3.00 mA
Minimum Limit AC Range: 0.000 - 3.000 mA
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