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Sorensen DLM Series 3 kW and 4 kW : Specifications
Common
Front Panel Controls Knobs with 3½ 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 3½ digit LED display, current setting 3½ 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)
Input
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;
Output
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.
Weight & Shipping Weight
Weight 40 lbs. (18.2 kg)
Shipping Weight

49 lbs. (22.3 kg)

Physical
Height 3-1/2” (88 mm)
Width 19” (482 mm)
Depth 18” (508 mm)
Environmental
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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Output
Model Preview Accuracy OVP
Adjustment Range
(5% to
110% of
Vmax)
Ripple and Noise
Voltage
(0.05% of Vmax
+1 count)
Current
( 1.0% of Imax
+1 count)
Ripple
(RMS)*
Noise
(P-P)
DLM 5-350E 0.04V 5A 0.3-5.5V 12 mV 100 mV
DLM 5-450E 0.04V 6A 0.3-5.5V 12 mV 100 mV
DLM 8-350E 0.05V 5A 0.4-8.8V 12 mV 100 mV
DLM 8-450E 0.05V 6A 0.4-8.8V 12 mV 100 mV
DLM 16-185E 0.09V 3A 0.8-17.6V 10 mV 100 mV
DLM 16-250E 0.09V 4A 0.8-17.6V 10 mV 100 mV
DLM 32-95E 0.3V 1.1A 1.6-35V 10 mV 100 mV
DLM 32-125E 0.3V 1.4A 1.6-35V 10 mV 100 mV
DLM 40-75E 0.3V 0.9A 2-44V 10 mV 100 mV
DLM 40-100E 0.3V 1.1A 2-44V 10 mV 100 mV
DLM 60-50E 0.4V 0.6A 3-66V 15 mV 100 mV
DLM 60-66E 0.4V 0.8A 3-66V 15 mV 100 mV
DLM 80-37E 0.5V 0.5A 4-88V 15 mV 120 mV
DLM 80-50E 0.5V 0.6A 4-88V 15 mV 120 mV
DLM 150-20E 0.9V 0.3A 7.5-165V 30 mV 200 mV
DLM 150-26E 0.9V 0.4A 7.5-165V 30 mV 200 mV
DLM 300-10E 1.6V 0.11A 15-330V 60 mV 300 mV
DLM 300-13E 1.6V 0.14A 15-330V 60 mV 300 mV
DLM 600-5E 3.1V 0.06A 30-660V 100 mV 500 mV
DLM 600-6.6E 3.1V 0.08A 30-660V 100 mV 500mV
* RMS ripple typical from 20 Hz to 300 kHz Specifications subject to change.
Output
Model Stability Temperature Coefficient Maximum total remote sense drop
Voltage
(0.05% of Vmax)
Current
(0.05% of Imax)
Voltage
(0.02% °C
of Imax)
Current
(0.03% °C
of Imax)
DLM 5-350E 3 mV 175 mA 1 mV 105 mA 2 V
DLM 5-450E 3 mV 225 mA 1 mV 135 mA 2 V
DLM 8-350E 4 mV 175 mA 1.6 mV 105 mA 2 V
DLM 8-450E 4 mV 225 mA 1.6 mV 135 mA 2 V
DLM 16-185E 8 mV 93 mA 3.2 mV 55 mA 2 V
DLM 16-250E 8 mV 125 mA 3.2 mV 75 mA 2 V
DLM 32-95E 16 mV 48 mA 6 mV 30 mA 5 V
DLM 32-125E 16 mV 63 mA 6 mV 38 mA 5 V
DLM 40-75E 20 mV 38 mA 8 mV 23 mA 5 V
DLM 40-100E 20 mV 50 mA 8 mV 30 mA 5 V
DLM 60-50E 30 mV 25 mA 12 mV 15 mA 5 V
DLM 60-66E 30 mV 33 mA 12 mV 19.8 mA 5 V
DLM 80-37E 40 mV 19 mA 16 mV 12 mA 5 V
DLM 80-50E 40 mV 25 mA 16 mV 15 mA 5 V
DLM 150-20E 75 mV 10 mA 30 mV 6 mA 5 V
DLM 150-26E 75 mV 13 mA 30 mV 7.8 mA 5 V
DLM 300-10E 150 mV 5 mA 60 mV 3 mA 5 V
DLM 300-13E 150 mV 6.5 mA 60 mV 3.9 mA 5 V
DLM 600-5E 300 mV 2.5 mA 120 mV 1.5 mA 5 V
DLM 600-6.6E 300 mV 3.3 mA 120 mV 2.0 mA 5 V
Output
Model Output Rating Regulation Line and Load Meter Accuracy
Voltage
(VDC)
Current
(ADC)
Voltage
(0.05% of
Vmax + 2mV)
Current
(0.1% of Imax)
Voltage
(0.5% of Vmax + 1 Count)
Current
(0.75% of Imax + 1 Count)
DLM 5-350E 0-5 0-350 5 mV 350 mA 0.04 V 4 A
DLM 5-450E 0-5 0-450 5 mV 450 mA 0.04 V 5 A
DLM 8-350E 0-8 0-350 6 mV 350 mA 0.05 V 4 A
DLM 8-450E 0-8 0-450 6 mV 450 mA 0.05 V 5 A
DLM 16-185E 0-16 0-185 10 mV 185 mA 0.09 V 3 A
DLM 16-250E 0-16 0-250 10 mV 250 mA 0.09 V 3 A
DLM 32-95E 0-32 0-95 18 mV 95 mA 0.3 V 0.8 A
DLM 32-125E 0-32 0-125 18 mV 125 mA 0.3 V 1 A
DLM 40-75E 0-40 0-75 22 mV 75 mA 0.3 V 0.7 A
DLM 40-100E 0-40 0-100 22 mV 100 mA 0.3 V 0.9 A
DLM 60-50E 0-60 0-50 32 mV 50 mA 0.4 V 0.5 A
DLM 60-66E 0-60 0-66 32 mV 66 mA 0.4 V 0.6 A
DLM 80-37E 0-80 0-37 42 mV 37 mA 0.5 V 0.4 A
DLM 80-50E 0-80 0-50 42 mV 50 mA 0.5 V 0.5 A
DLM 150-20E 0-150 0-20 77 mV 20 mA 0.9 V 0.3 A
DLM 150-26E 0-150 0-26 77 mV 26 mA 0.9 V 0.3 A
DLM 300-10E 0-300 0-10 152 mV 10 mA 1.6 V 0.09 A
DLM 300-13E 0-300 0-13 152 mV 13 mA 1.6 V 0.11 A
DLM 600-5E 0-600 0-5 302 mV 5 mA 3.1 V 0.05 A
DLM 600-6.6E 0-600 0-6.6 302 mV 7 mA 3.1 V 0.06 A
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 kΩ.
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
J3 Connector
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