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Testing, Procedures, Testing -4 procedures -4 – Yokogawa Removable Chassis DX1000N User Manual

Page 63

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7-4

SM 04L41B01-01E

Testing

If the DX hardware style number is

1, perform the tests below (see chapter 3) after

reinstalling the inner instrument.
The hardware style number is printed on the name plate. The name plate is on the top of
the case (outer side).

MODEL

FREQUENCY

NO.

SUFFIX

SUPPLY

STYLE

H

S

Hardware style number

When the hardware style number is 1

• Insulation resistance test
• Withstand voltage test
• Check of the protective grounding function

When the hardware style number is 2 or later

No test is required, but check whether the bezel attachment screws are tightened to
within the specified torque range.

Procedures

1.

Open the Key Case Assembly. If any USB devices are connected, remove them.

2.

Loosen the 2 screws (screw tightening torque: 0.6 to 0.7 N·m).

Screw

Key Case Assembly

Screw

3.

Close the Key Case Assembly.

4.

Release the latches, then pull out the bezel.

There are latches that connect with the case on the top of the bezel. Open the bezel slightly
at the bottom, then release the latches at the top as you lift the entire bezel upwards. Be
sure to read the cautions on the previous page.

Release the latch

Pull out the bezel

7.3 Pulling Out the Inner Instrument (DX1000N)

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