TDK 750W HALF RACK technical manual Front Panel

2.6 PROGRAMMING AND READBACK (RS232/485, Optional IEEE Interface)

1.

Vout programming accuracy

–

0.05% + 0.05% of rated output voltage.

2.

Iout programming accuracy (*13)

–

0.1% of actual output current + 0.1% of rated output current (for Iout >0.4% of rated Iout to 100% of rated Iout).

0.1% of actual output current +0.4% of rated output current (for Iout <0.4% of rated Iout to 0.4% of rated Iout).

3.

Vout programming resolution.

–

0.012% of full scale.

4.

Iout programming resolution

–

0.012% of full scale.

5.

Vout readback accuracy

–

0.1% + 0.1% of rated output voltage

6.

Iout readback accuracy (*13)

–

0.1% + 0.3% of rated output current

7.

Vout readback resolution

–

0.012% of full scale

8.

Iout readback resolution

–

0.012% of full scale

2.7 PROTECTIVE FUNCTIONS

V

6

8

12.5

20

30

40

50

60

80

100

150

300

600

1.

Foldback protection

Output shut

-down when power supply changes from CV to CC. User presetable.

2.

Over-voltage protection

Inverter shut-down; manual reset by AC input recycle, OUT button.

3.

Over-voltage trip point

V

0.5-7.5

0.5-10

1-15

1-24

2-35

2-44.1

5-57

5-66

5-88

5-110

5-165

5-330

5-660

4.

Output under voltage limit

Preset by

front panel

or communication port. Prevents adjusting Vout below limit. Raises the PS_OK signal in case

output

voltage is below limit.

5.

Over temperature protection

User selectable, latched or non latched.

2.8 FRONT PANEL

1.

Control functions

–

Vout/Iout manual adjust by separate encoders. (Coarse and fine adjustment)

–

OVP/UVL manual adjust by Volt. Adjust encoder

–

Address selection by Voltage adjust encoder. No of addresses: 31

–

Go to local control

–

Output on/off

–

AC on/off

–

Front panel lock

–

Foldback control

–

Serial or IEEE display at power-up

–

Baud rate selection: 1200, 2400, 4800, 9600 and 19200

–

Re-start modes (Auto Restart, Safe Start)

2.

Display

–

Vout:

4 digits, accuracy: 0.5% of rated voltage + 1 count

–

Iout:

4 digits, accuracy: 0.5% of rated current + 1 count

3. Indications

–

VOLTAGE,

CURRENT, ALARM FINE, PREVIEW, FOLDBACK, LOCAL, OUTPUT ON.

2.9 ENVIRONMENTAL CONDITIONS

1.

Operating temperature

C

0~50 C, 100% load.

2.

Storage temperature

C

-20 to + 70

3.

Operating humidity

%

30~90% RH (no condensation).

4.

Storage humidity

%

10~95% RH (no condensation).

5.

Altitude

–

Maximum 3000m, Derate output current by 2%/100m above 2000m. Alternatively, derate maximum ambient

temperature by 1 degC/100m above 2000m.

2.10 MECHANICAL

1.

Cooling

–

Forced air cooled by internal fans.

2.

Weight

Kg

Less than 4.5Kg

3.

Dimensions (W x H x D)

mm

W: 214.0 H: 43.6 (57.0 Benchtop Version). D: 437.5 (Refer to Outline drawing).

4.

Vibration

–

MIL-810E, method 514.5 test condition l-3.3

5.

Shock

–

Less than 20G, half sine, 11mS. Units unpacked

2.11 SAFETY/EMC

1.

Applicable standards

Safety

–

UL60950-1 listed, EN60950-1 Vout ≤ 40V: Output is SELV, IEEE/Isolated Analog are SELV.

60 < Vout < 400V: Output is hazardous, IEEE/Isolated analog are SELV

400 < Vout < 600V: Output is hazardous, IEEE/Isolated, Analog are not SELV

EMC

–

EN55024

2.

Withstand voltage

–

Vout < 60V models: Input-Outputs (SELV): 3.0KVrms 1 min, Input-Ground: 2.0KVrms 1 min.

60 ≤ Vout ≤ 600V models: Input-Haz, output: 2.5KVrms 1 min, Input-SELV: 3KVrms 1 min, 1900VDC 1 min.

Hazardous Output - SELV: 1.9KVrms 1 min, Hazardous Output-Ground: 1.9KVrms 1 min.

Input-Ground: 2KVrms 1min

3.

Insulation resistance

–

More than 100Mohm at 25°C, 70%RH

4.

Conducted emission

–

EN55022B, FCC part 15-B, VCCI-B

5.

Radiated emission

–

EN55022A, FCC part 15-A, VCCI-A

10

83-507-5002 Rev. B