No.

Test item

testing condition and method

Criteria

1

Visual inspection

· Examine the external, structure, etc., of the equipment.

· The equipment comply with the specifications.

2

Performance test

· Check the operation of the equipment.

· Check the self monitoring features if provided.

· Check the specified protection against an access to the memory.

· check against the effect of unerroneous use of control el- ements in the case of computer systems.

· The equipment operates sat- isfactory.

3

Electrical power supply failure test

· Check the operation of the equipment when the electrical power supply is interrupted 3 times during 5 minutes. (interruption time is 30 seconds each time)

- The time of 5 minutes may be exceeded if the equip- ment under test needs a longer time for start up, e.g. booting sequence. For equipment which requires booting, one additional power supply interruption during booting to be performed

· Check the possible corruption of programme or data held in programmable electronic systems (where applicable)

· The equipment operates sat- isfactory without manual cali- bration after restoration of the electrical power supply.

4

Electrical power supply variation test

· Check the operation of the equipment when the electrical power supply varies as shown in the following

AC supply

DC supply

· No abnormality is observed. The equipment operates sat-

isfactory.

Combination

Voltage variation permanent (%)

Frequency variation permanent (%)

1

+6

+5

2

+6

-5

3

-10

-5

4

-10

+5

voltage transient (%)

frequency transient (%)

1.5 sec

5 sec

5

+20

+10

6

-20

-10

For the equipment not related to a battery (%)

Voltage tolerance continuous

±10

Voltage cyclic variation

5

Voltage ripple

10

For the equipment related to a battery (%)

For the equipment connected to a battery during charging

-25 ~

+30

For the equipment not connected to a battery during charging

-25 ~

+20

No.

Test item

testing condition and method

Criteria

5

Power supply variation test

· Check the operation of the equipment when the pneumatic and the hydraulic power supplies are maintained continuously +20 % and -20 % of the working pressure for at least 15 minutes.

· No abnormality is observed.

· The equipment operates

satisfactory.

6

Dry heat test

· The test shall be carried out at 25 ±2 ℃ in atmospheric

temperature.

· The absolute humidity shall not exceed 20 g of water va-

por per cubic meter of air(corresponding approximately to 50 % relative humidity at 35℃).

· Test A : The equipment is at an operating condition and apply the environmental condition of +70 ±2 ℃ for 2

hours. And check the operation of the equipment during the last 1 hour at the test temperature and after recovery.

· Test B : For the equipment installed in air conditioned spaces, the environmental condition of +55 ±2 ℃ for 16

hours may be applied. Check the operation of the equip- ment during the last 1 hour at the test temperature and after recovery. Where the equipment is attached with other equipments in the console and housing, test A is to be performed.

· Detailed test methods are referred to Test Bb or Test Bd of IEC 60068-2-2.

Note (*) Raising and lowering rate of temperature is to be within 1°C/min.(mean value for a period within 5 minutes

Fig 3.23.1 Program of dry heat test

· No abnormality is observed.

· The equipment operates satisfactory.

7

Damp heat test

- The temperature in the chamber shall be continuously raised to 55 ±2 ℃ during 3h±30 min. During this period,

the rel-

ative humidity shall be not less than 95 %, except during the last 15min when it shall be not less than 90 %. (see Fig 3.23.2)

- The temperature shall then be maintained 55 ±2 ℃ until 12h

±30 min from the start of the cycle. During this period, the relative humidity shall be 93±3%, except for the first and last 15 min when it shall be between 90% and 100%.

- 2 cycles shall be carried out as shown in Fig 3.10.2. The equipment is kept under operating condition during complete 1st cycle and switched off during 2nd cycle except for the operation test. And check the operation of the equipment during the first 2 hours of the 1st cycle at the environ- mental condition, during the last 2 hours of 2nd cycle at

the environmental condition and after recovery.

· No abnormality is observed.

· The equipment operates satisfactory.

No.

Test item

Testing condition and method

Criteria

7

Damp heat test

- Insulation resistance measurements are carried out before and af- ter test.

- Detailed test methods are referred to Test Db of IEC 60068-2-30.

Fig 3.23.2 Program of damp heat test

No abnormality is observed.

The equipment operates satisfactory.

8

Vibration test

The equipment is at an operating condition and apply the sweeping of vibration specified in the following over the frequency range of 2(+3, -0) Hz ~ 100 Hz in order to find

resonance points.(points of which amplification factor : Q≥2

are considered resonance points.)

Frequency Amplitude or Acceleration

2(+3, -0) ~ 13.2 Hz Amplitude ±1.0 mm

13.5 ~ 100 Hz Acceleration ±0.7 g

When resonance points do not exist, apply the vibration of acceleration ±0.7 g at 30 Hz for 90 minutes as an endurance test.

When resonance points exist, repeat the test with necessary provisions to avoid resonance or apply the vibration (same amplitude or acceleration of resonance point) at the resonance frequency for 90 minutes as an endurance test. However, where sweep test is to be carried out instead of the discrete frequency test and a number of resonant frequencies is detected close to each other, duration of the test is to be 120 min.

Sweep over a restricted frequency range between 0.8 and

1.2 times the critical frequencies can be used where appropriate. Critical frequency is a frequency at which the equipment being tested may exhibit:

- malfunction and/or performance deterioration

- mechanical resonances and/or other response effects occur,

e.g. chatter

during the vibration test, functional tests are to be

No abnormality is observed.

The equipment operates satisfactory.

Frequency

Amplitude or Acceleration

2(+3, -0) ~ 25.0 Hz

Amplitude ±1.6 mm

25.0 ~ 100 Hz

Acceleration ±4.0 g

No.

Test item

Testing condition and method

Criteria

8

Vibration test (continued)

· The test is carried out in three axis direction.

· It is recommended as guidance that Q does not exceed 5.

· For the equipment intended to be installed in severe vi-

bration conditions such as diesel engines, air com- pressors, the vibration level specified in the following is applied.

· More severe conditions may exist for example on ex- haust manifolds of diesel engines especially for medium and high speed engine. Values may be required to be in these cases 40 Hz to 2000 Hz- acceleration ±10.0

at 600 ℃ duration 90 minutes.

· Detailed test methods are referred to Test Fc of IEC

9

Inclination test

· The equipment is at an operating condition and check the operation of the equipment with 22.5° static inclination.

· The equipment is at an operating condition and check the operation of the equipment with rolling of 22.5° at period of about 10 seconds for not less than 15 min.

· The test is carried out in three axis directions.

· These inclination tests are normally not required for equipment with no moving parts.

· Detailed test methods are referred to KS C IEC 60092-

504.

No abnormality is observed.

· The equipment operates sat- isfactory.

10

Insulation resistance test

· Measure the insulation resistance between current carry- ing parts and between current parts and earth when measured with the following application voltage.

· Measurements are carried out before and after; other series of environmental tests, damp heat test, cold test and salt mist test.

· For the equipment containing circuits in which the ap- plication of the test voltage is not desirable, the test voltage is applied after removing the circuits.

The insulation resistance (M ) is not less than the value specified in the following.

11

High voltage test

· Apply the following test voltage, alternating of a fre- quency of 50 Hz or 60 Hz, between current carrying parts and between current-carrying parts connected and earth for 1 minute.

Un

· For the equipment containing circuits in which the ap- plication of the test voltage is not desirable, the test voltage is applied after removing the circuits.

Rated voltage : Un(V)

Test voltage(V)

Un ≤ 65

2 × Un, min. 24

Un ＞ 65

500

Rated voltage

Before test

After test

Un≤65

10

1.0

Un＞65

100

10

Rated voltage : Un(V)

Test voltage(V)

≤ 65

2 × Un + 500

65 ＜ Un ≤ 250

1,500

250 ＜ Un ≤ 500

2,000

500 ＜ Un ≤ 690

2,500

No.

Test item

Testing condition and method

Criteria

12

Cold test

· The test shall be carried out at 25 ±10 ℃ in atmospheric

temperature.

· The equipment is switched off except for the operation test and apply the environmental condition of +5 ±3 ℃ for 2

hours. And check the operation of the equipment during the last hour at the test temperature and after recovery.

· For the equipment installed in open decks, etc., the environ- mental condition of -25 ±3 ℃ is applied for 2 hours.

· Insulation resistance measurements are carried out before and after cold test.

· Detailed test methods are referred to Test Ab or Test Ad of

IEC 60068-2-1.

Fig 3.23.3 Program of cold test

· No abnormality is observed.

· The equipment operates satisfactory.

13

(2)

Salt mist test

· The equipment is switched off except when its operation is checked. Apply four cycles of the environmental condition of spraying NaCl liquid (saline solution, 5 % NaCl, pH 6.5 ~

7.2, 20 ±2 ℃) for 2 hours and leaving for 7 days. Check the

operation of the equipment during the 7th day of each cycle and after recovery.

· Damp chamber conditions for storage are to be maintained as follows;

- Temp. : 40℃±2℃

- Relative humidity : 93% +2% -3%

· the test is carried out according to the following procedure

- Insulation resistance and functional test before test

- Functional test on the 7th day of each cycle period

- Insulation resistance and functional test : 4 to 6 hours af- ter recovery

· Detailed test methods are referred to Test Kb of IEC 60068-2-52.

· No abnormality is observed.

· The equipment operates satisfactory.

14

Electrostatic discharge immunity test

· Check the operation of the equipment when the electrostatic discharge immunity test is carried out according to the fol- lowing condition.

· The test is to be confined to the points and surfaces that can normally be reached by the operator.

· Detailed test methods are referred to Level 3 of KS C IEC 61000- 4-2.

· Performance

(2)

Criterion B

Contact discharge

6 kV

Air discharge

8 kV

Interval between single discharge

1 sec.

No. of Pulses

10 per polarity

Frequency range

80 MHz ~ 2 GHz

Modulation

80 % AM at 1,000 Hz

Field strength

10 V/m

Frequency sweep rate

-3

≤1.5 × 10 decades/sec.

(or 1 %/3 sec.)

No.

Test item

Testing condition and method

Criteria

15

Radiated radio frequency immunity test

· Check the operation of the equipment when the radiated ra- dio frequency immunity test is carried out according to the following condition.

· If for tests of equipment an input signal with a modulation frequency of 1,000 Hz is necessary, a modulation fre- quency(80 % AM) of 400 Hz may be chosen.

· The test is to be confined to the appliances exposed to direct

radiation by transmitters at their place of installation.

· Detailed test methods are referred to Level 3 of KS C IEC 61000-4-3.

· Performance

(3)

Criterion A

16

Conducted low frequency immunity test

· Check the operation of the equipment when the conducted low frequency immunity test is carried out according to the following condition. (values in round brackets are shown where the rated frequency of the equipment is 50 Hz)

Fig 3.23.4 Test Set-up - Conducted Low Frequency Test

· In case of marine navigational and radiocommunication equipment and systems, this test can be exempted.

· Performance

(3)

Criterion A

Frequency range

60 ~12 kHz (50 ~10

Test voltage

AC

10 % of supply voltage

60 Hz~900 Hz

(50 Hz~750 Hz)

10 % to 1 % of supply voltage

900 Hz~6 Hz (750 Hz~5 kHz)

1 % of supply voltage

6 kHz~12 kHz

(5 kHz~10 kHz)

DC

10 % of supply voltage

(at least 3 V)

50 Hz~10 kHz

Maximum power

AC

min 3 V r.m.s, max 2 W.

DC

2 W

Frequency range

150 kHz ~ 80 MHz

Modulation

80 % AM at 1,000 Hz

Amplitude

3 Vrms

Frequency sweep rate

-3

≤

(or 1 %/3 sec.)

Single pulse time

5 nS (10 ~ 90 % value)

Single pulse width

50 nS (50 % value)

Amplitude(peak)

line on power supply port/earth : 2 kV

line/line on I/O data control and signal lines : 1 kV

Pulse period

300 mS

Burst duration

15 mS

Duration

5 min./polarity

No.

Test item

Testing condition and method

Criteria

17

Conducted high frequency immunity test

· Check the operation of the equipment when the con- ducted high frequency immunity test is carried out ac- cording to the following condition.

1.5 × 10 decades/sec.

· If for tests of equipment an input signal with a modu- lation frequency of 1 kHz is necessary a modulation frequency(80 % AM) of 400 Hz should be chosen.

· Detailed test methods are referred to Level 2 of KS C IEC 61000-4-6.

(3)

· Performance Criterion A

18

Burst/Fast transient immunity test

· Check the operation of the equipment when the burst fast transient immunity test is carried out according to the following condition.

· Detailed test methods are referred to Level 3 of KS C IEC 61000-4-4.

(2)

· Performance Criterion B

19

Surge immunity test

· Check the operation of the equipment when the surge immunity test is carried out according to the following condition.

· Detailed test methods are referred to Level 2 of KS C IEC 61000-4-5.

(2)

· Performance Criterion B

20

Radiated emission test

· Radiated emission test is to be carried out according to the following.

For equipment installed in the bridge and deck zone.

· Radiated emission is to be within limits in the table.

Pulse rise time

1.2 (10 ~ 90 % value)

Pulse width

50 50 % value)

Amplitude(peak)

line/earth :1 kV

line/line : 0.5 kV

Repetition rate

at least 1 pulse/min.

No. of pulse

5 per polarity

Frequency range

Limits

150 kHz~ 300 kHz

80 ~ 50 dB V m

300 kHz ~ 30 MHz

50 ~ 34 dB V m

30 MHz ~ 2,000 MHz

54 dB V m

156 MHz ~ 165 MHz

24 dB V m

Frequency range

Limits

150 kHz ~ 30 MHz

80~50 dB V m

30 MHz~100 MHz

60~54 dB V m

100 MHz~2,000 MHz

54 dB V m

156 MHz~165 MHz

24 ddB V m

Frequency range

Limits

10 kHz ~ 150 kHz

96 ~ 50 dB V

150 kHz ~ 350 kHz

60 ~ 50 dB V

350 kHz ~ 30 MHz

50 dB V

Frequency range

Limits

10 kHz ~ 150 kHz

120 ~ 69 dB V

150 kHz ~ 500 kHz

79 dB V

500 kHz ~ 30 MHz

73 dB V

No.

Test item

Testing condition and method

Criteria

20

Radiated emission test

For equipment installed in a zone other than bridge and deck zone

· Distance between equipment and antenna is to be 3 m

· Detailed test methods are referred to CISPR 16-1, 2

· Radiated emission is to be within limits in the table.

21

Conducted emission test

· Conducted emission test is to be carried out according to the following.

For equipment installed in the bridge and deck zone.

For equipment installed in a zone other than bridge and deck zone

· Detailed test methods are referred to CISPR 16-1, 2

· Conducted emission is to be within limits in the table.

22

Flame resistance test

· Flame resistance test is to be carried out according to the following condition.

· The test is performed with the EUT or housing of the EUT applying needle-flame test method.

· Detailed test methods are referred to KS C IEC 60092-101 or IEC 60695-11-5

- The burnt out or damaged part of the specimen by not more than 60 mm long.

- No flame, no incandescence or

- In the event of a flame or incandescence being present, it shall extinguish itself within 30 s of the removal of the needle flame without full combustion of the test specimen.

- Any dripping material shall extinguish itself in such a way as not to ignite a wrapping tissue. The drip height is 200 mm ± 5 mm.

23

Pressure test

· Apply the pneumatic or hydraulic pressure of 1.5 times the designed pressure.

· No abnormality is observed.

(Note)

(1) Salt mist test is to be carried out for equipment installed in weather exposed areas.

(2) Performance Criterion B: The Equipment Under Test is to continue to operate as intended after the tests.

No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer. During the test, degradation or loss of function or performance which is self recoverable is however allowed but no change of actual operating state or stored data is allowed.

(3) Performance Criterion A: The EUT is to continue to operate as intended during and after the test. No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer.

Flame application

5 times 15 sec. each

Interval between

each application

15 sec. or 1 time 30 sec.