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| Front Panel Controls |
Knobs with 3˝ digit digital displays to control output voltage and current settings. Power on/off switch, output enable/standby switch and local/remote switch. Voltage, current and overvoltage preview push buttons allow you to preview the programmed settings at any time; overvoltage limit is adjusted with a set screw accessible through the front panel. |
| Displays and Indicators |
Voltage and overvoltage setting 3˝ digit LED display, current setting 3˝ digit LED display. LED indicators for power on, shutdown, remote, overvoltage protection, overtemperature and front panel lockout, constant voltage and constant current modes. IEEE-488.2 indicators include error, SRQ and address (M9E option). |
| Built-in Protection |
Output overvoltage (resets by cycling the enable/standby switch), overtemperature (will automatically reset) | |
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| Voltage and Frequency 3 kW |
180-264 VAC, 47-63 Hz, single or three phase (<200 VAC range limited to 40°C maximum) |
| 4 kW |
180-264 VAC, 47-63 Hz, three phase (<200 VAC range limited to 40°C maximum) |
| Power Factor |
0.95 typical with three phase input, 0.98 typical with single phase input |
| Current |
3 kW: single phase, 21A RMS; three phase, 12A RMS
4 kW: 180-264 VAC, 15A RMS; 345-455 VAC, 8.5A RMS; 432-528 VAC, 6.5A RMS; | |
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| Regulation |
Line: For input voltage variation over the AC input voltage range, with constant rated load.
Load: For 0-100% load variation, with constant nominal line voltage.
Voltage: 0.05% of maximum rated output +2mV
Current: 0.1% of maximum rated output |
| Transient Response |
Typically recovers in 1.5 ms to within 1% of steady-state output voltage (greater than 50% of Vmax) for 70-100% or 100-70% load change. |
| Stability |
±0.05% of maximum voltage or current over 8 hours after 15 minute warm-up time at fixed line, load and temperature. Current accuracy for 5V, 8V, and 16V models is 1% typical. |
| Efficiency |
5-8V Models: 82% typical
16-80V Models: 87% typical
150-600V Models: 85% typical (at maximum output power) |
| Temperature Coefficient |
0.02%/°C of rated output voltage; 0.03%/°C of rated output current.
Change in output per °C change in ambient temperature, with constant line and load. | |
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| Weight |
40 lbs. (18.2 kg) |
| Shipping Weight |
49 lbs. (22.3 kg) | |
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| Height |
3-1/2” (88 mm) |
| Width |
19” (482 mm) |
| Depth |
18” (508 mm) | |
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| Operating Temperature |
0°C to 50°C,
no derating (<200 VAC range limited to 40°C maximum) |
| Storage Temperature |
-40°C to 65°C |
| Cooling |
Internal fans with overtemperature protection | |
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| Rear Panel Control/Monitor | |
| Remote Sense |
The maximum total allowed sense line drop is 2V for 5V, 8V and 16V models and 5V for all other models. Line drop subtracts from the maximum available output voltage at full rated power. |
| Remote Sense Protection |
Unit will not be damaged due to misconnection of the remote sense leads. |
| Remote Programming |
Voltage, current (0-100%) and OVP (5-110%) of full scale can be programmed by selectable 0-5 VDC, 0-10 VDC, or 0-5 kŮ. |
| Remote Monitoring |
Voltage or current can be monitored with user-selectable ranges, 0-5 VDC or 0-10 VDC |
| Operational Features |
Master/slave parallel* operation, up to 2 units can be connected in parallel with active current sharing control to within 10% of each supply. Series operation, up to 3 units of the same model type can be connected in series (consult manual). Negative terminal rated at 150 Vmax above ground |
| Software |
LabVIEW® driver M9E/M85 |
| Regulatory Compliance |
CE Mark | |
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| 1 |
Remote Output Enable |
14 |
Remote Shutdown Input (+). Positive or negative true logic selection with S1 |
| 2 |
Remote Shutdown Return (-) |
15 |
+5 VDC Auxiliary Output |
| 3 |
Remote OVP Programming Input |
16 |
1 mA Current Source for OVP Programming |
| 4 |
Remote Programming Indicator |
17 |
OVP Status Indicator |
| 5 |
Operating Mode Indicator |
18 |
Overtemperature Shutdown Indicator |
| 6 |
Status Indicator Return (-) |
19 |
DC Voltage Monitor Output |
| 7 |
Current Monitor Output |
20 |
Remote /Local Voltage Control Select |
| 8 |
Not Used |
21 |
1 mA Current Source for Voltage Programming |
| 9 |
Voltage Programming Input |
22 |
1 mA Current Source for Current Programming |
| 10 |
Current Programming Input |
23 |
Remote/Local Current Control Select |
| 11 |
Not Used |
24 |
Not Used |
| 12 |
Programming/Monitor Return (-) |
25 |
Not Used |
| 13 |
Not Used |
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Features
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High Power Density
3 kW and 4 kW models, 2U (3˝ inches) high, 19 inches wide; no top or bottom clearance spacing required
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Wide Range of Output Voltages
3 kW and 4 kW outputs 0-5V, 8V, 16V, 32V, 40V, 60V, 80V, 150V, 300V and 600V
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Preview Pushbutton
Overvoltage protection (OVP), voltage and current preview buttons allow viewing these set points at any time with or without the output enabled
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Remote Voltage Sense
Sense leads are easily connected to a solderless connector
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Remote Operation
- Standard analog programming
- Output enable/disable remotely
- Optional IEEE-488.2 and RS 232
- Optional optically isolated analog programming
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Calibration
All models can be calibrated without removing the covers
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Operating Modes
Constant voltage and constant current, with LED indicators
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Parallel or Series Operation
Field configurable
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Input Power Factor
0.95 typical (three phase for all models) 0.98 typical (single phase)
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CE Mark, UL and C-UL Listing Mark
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5 Year Warranty
The DLM 3 kW and 4 kW Series programmable DC power supplies are designed to provide highly stable, continuously variable output voltage and current for a broad range of applications in a compact 2U ( 3˝” high) chassis.
The 4 kW power rating is new to the Sorensen Family of power supplies. Both the 3 kW and
4 kW models have output voltages from 0-5 VDC to 0-600 VDC and a current range from 0-5A to 0-450A. The output RMS noise is as low as 10 mV. The output will recover to 1% of its steady-state voltage within 1 ms for a step load change of 100% to 70% or 70% to 100%. The front panel layout makes the series extremely easy to use. Control switches include: power on, enable/ standby and local/remote.
Displays and indicators show programmed set points and operational control status. The programmed voltage, current and overvoltage set points are displayed with two large 3˝ digit LED displays. Operational Status LEDs indicate power on, shutdown, overtemperature, overvoltage, constant current and voltage mode status. Control Status LEDs indicate front panel lockout, remote control and standby status. IEEE-488.2 control LEDs indicate error, service request and remote address status.
The 3 kW Models will accept 200*/230 VAC single phase and 200*/208 VAC three phase input power.
The 4 kW Models will accept 200*/208 VAC, three phase or optional 400 or
480 VAC three phase input power.
*Operating temperature below 40°C
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