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AMETEK Compact IX 2253 User Manual

Page 128

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User Manual

2253i / 2253iX

AMETEK California

Instruments

128

9.6 DC Test Mode

DC test mode requires DC mode and a steady state voltage setting of 24V DC or 14V DC.

Note: Prior to test selection the Standard selection and Category selection are required. Use the
shuttle to select Standard RTCA or EUROCAE. Also, select equipment category A, B or Z.

9.6.1 Normal State Test

Scroll to the NORMAL STATE entry using the up and down cursor keys. Press the ENTER key to
select the NORMAL STATE screen. The screens will appear as shown in Figure 9-10.

Figure 9-10: Normal State screens

The DO-160 NORMAL screen has the following tests:

1. VOLT

MIN

2. VOLT

MAX

3. VOLT

UNDER

4. VOLT

SURGE

5. POWER

INTERRUPT

The above tests can be selected by scrolling to the highlighted selection using the up and down key
and the ENTER key to start the selected test. For some of these tests, numeric data entry may be
required to define the test number or the modulation rate.

VOLT MIN

Standard

Categories

A and Z

B 28V / 14V

RTCA 22.0 22.0 11.0

EUROCAE

22.0 25.1 12.5

Table 9-15: Normal Voltage Minimum

This test will change the output voltage from 28V or 14V to 22V or 11V. The test will last for 30
minutes. The

 (backspace) will terminate the test at any time.