PCM-7700 [DEI]
Pulsed Current Source;
| 型号： | PCM-7700 |
| 厂家： | 
Directed Energy |
| 描述： | Pulsed Current Source |
| 文件： | 总6页 (文件大小：1203K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PCM-7700 Pulsed Current Source — Datasheet
PCM-7700-48, 200 A, 50 ms pulse width, 1 Hz into a
HPL-2400-0.126 load, Digital Control Mode.
Precision Pulse Control
The PCM-7700 series of air-cooled, high-power current
sources is designed to drive laser diodes, bars, and arrays
with up to 200 A of current (load voltage to 25 V). The
PCM-7700-48 has a built-in power supply; the PCM-7700-
EX connects to an external supply for higher duty cycles.
Both models feature pulse widths from 500 µs to 50 ms
and pulse repetition rates from single shot to 1 kHz.
PCM-7700-48, 200 A, 1 ms pulse width, 1 Hz into a
HPL-2400-0.126 load, Digital Control Mode.
System Operation
The PCM-7700 output current may be set with a
potentiometer on the included evaluation board or with an
analog voltage. The pulse width is controlled by the trigger
input.
Digital and analog control modes are supported. In digital
mode, an input voltage controls the pulse output current
and an external trigger signal controls the pulse width. In
analog mode, the output current follows the input voltage.
Regardless of mode, the instrument must always be
operated within the safe operating area (see SOA graphs
below).
PCM-7700-48, 200 A full scale, into a HPL-2400-0.126
load, Analog Control Mode using the arb function of a
Tektronix AFG3051C.
Complete System Integration
For automated applications, complete control of the
instrument is provided through a DB15 male connector.
Ordering Information
PCM-7700-48 Internal power supply version
PCM-7700-EX External power supply version
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
PCM-7700 Pulsed Current Source — Datasheet
Pulse Amplitude
Output Current Range
Setpoint Resolution
Setpoint Accuracy
Current Overshoot
Current Rise/Fall Time
Monitors
5 A to 200 A1
0.050 A
± 1 % of full scale current
< 0.5 % of full scale current
≤ 75 µs (with IOUT > 10 A)
Current monitor
5 mV / A
200 A output current = 1.000 V
(typical)
Current monitor termination 50 Ω
Current monitor connector
DB-15 pin 2
Pulse width
500 µs to 50 ms
Voltage monitor
60 mV / V
30 V output = 1.800 V (typical)
Voltage monitor termination 1 MΩ
Polarity
Load Voltage
Positive
0 V to 25 V PCM-7700-482
0 V to 25 V PCM-7700-EX2
See SOA graphs
Voltage monitor connector
DB-15 pin 1
Maximum Output Power
Output Connector
Output Connector
2 x Amp 1-770974-0
Pins 1 through 8 = Out –
Pins 9 through 16 = Out +
Gate
Frequency Range
Single-shot to 1 kHz
Input Voltage Levels
Gate pulse width
0 V: output OFF
5 V: output ON
Power Specifications
Voltage requirements
Line frequency
100 V AC to 240 V AC
50 Hz to 60 Hz
500 µs to 50 ms (Digital Control Mode)
0 to ∞ ms (Analog Control Mode)
Power requirements
Connector Type
PCM-7700-48 is 1200 W
PCM-7700-EX is 250 W
IEC 320-C14
Termination Impedance
Connector
50 Ω
DB-15 pin 8
General
Size (HxWxD)
Weight
27 cm x 27 cm x 39 cm
15 kg
Current Setpoint
Input Voltage Levels
0 V to 10 V
0.000 V = 0 A output
10.000 V = 200 A output
Operating Temperature
Cooling
15 °C to 35 °C
Air cooled
(Air flow from rear to front)
Termination impedance
Response time on change
Connector
10 kΩ
≤ 5 µs
Notes
1Rise and fall time specifications valid from 10 A to 200 A
DB-15 pin 6
2Operation of instrument outside of the listed load voltage
and maximum power limits can cause permanent damage
to the instrument and/or load. Please see the SOA
graphs in the manual for more information.
Enable Signals
Input Voltage Levels
0 V: Enable
5 V or open: Disable
Warranty: One year parts and labor on defects in materials
and workmanship.
Termination impedance
Response time on change
Connector
10 kΩ
≤ 200 ms
The PCM-7700 current source meets or exceeds these
specifications. All specifications are measured using the
standard included output cable and a HPL-2400 (low-
inductance, high-power resistive load). Load not included.
Specifications subject to change without notice.
DB-15 pin 4 (EXT ENABLE 1)
DB-15 pin 3 (EXT ENABLE 2)
Included Load Board and Evaluation Board
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
PCM-7700 Pulsed Current Source — Datasheet
Safe Operating Area Graphs
IMPORTANT: Do not operate the instrument outside of the Safe Operating Area!
Although the PCM-7700’s external triggering system allows it to operate outside the
Safe Operating Area, such operation will result in permanent damage to the PCM-7700,
the laser diode, or both.
The Safe Operating Area is below the line of each graph. Only operate the instrument in this Safe Operating Area.
PCM-7700-48
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
PCM-7700 Pulsed Current Source — Datasheet
The Safe Operating Area is below the line of each graph. Only operate the instrument in this Safe Operating Area.
PCM-7700-48
PCM-7700-48
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
PCM-7700 Pulsed Current Source — Datasheet
The Safe Operating Area is below the line of each graph. Only operate the instrument in this Safe Operating Area.
PCM-7700-EX
PCM-7700-EX
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
PCM-7700 Pulsed Current Source — Datasheet
The Safe Operating Area is below the line of each graph. Only operate the instrument in this Safe Operating Area.
PCM-7700-EX
For more information: 970.493.1901 or sales@directedenergy.com
Document #7675-0014 Rev B1. © Copyright 2019 Directed Energy, Inc. All rights reserved.
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