Hioki 9605-01, Инструкция по эксплуатации, Страница: 49 / 100

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7.1 EXT.CLOCK
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DANGER
The measurement input terminal and chassis of the 3194 are not
isolated from each other. Do not exceed the maximum rated working
voltage. Doing so can damage the product or cause a serious accident.
Pin number Terminal
24 FDD/PRINTER. START
25 EXT.HOLD
48 EXT.CLOCK
49 TRIGGER.IN
50 TRIGGER.OUT
NOTE
NOTE
Chapter 7
External Control
7.1 EXT.CLOCK
With a connection to the external output connector on the rear panel of the
3194 product, various external control functions are available. The following
controls apply to the 9605-01.
･ Be sure to observe the items under the
WARNING
,
CAUTION
, and
NOTE
headings in Chapter 9, "External Output/External Control Terminals" in the
Instruction Manual supplied with the 3194 product.
･ The FDD/PRINTER.START and EXT.HOLD controls are common to overall
3194 operation.
The PLL sync signal is set to a multiple of the external clock for analyzing
voltage, current and power.
･
Set the PLL source to [Ext(Con)].
･
Set the [Ext Divide] to match the fundamental voltage frequency to the clock
frequency.
･ Synchronization is not possible with distorted waveforms.
･ Refer to Section 4.6, "Measurement using an External Sync Signal."