Instruction/ maintenance manual of the product PDG-2515/2520 DEI
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THE PULSE OF THE F U TURE DIRECTED ENERGY, INC. PDG-2515/2520 Digital Delay and Pulse Generator OPERATING MANUAL www.directedenergy.com.
THE PULSE OF THE F U TURE.
PDG-2515/2520 Operating Manual Page i MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. T able of Content s Table of C ontents................................................................................................... i List of Figures ......
PDG-2515/2520 Operating Manual Page ii MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Operating Tips ................................................................................................... 8 Power-Up Pr ocedures .......................
PDG-2515/2520 Operating Manual Page iii MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Cover Remo val ............................................................................................ 24 General Operati ng Precaut ions .................
PDG-2515/2520 Operating Manual Page iv MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. List of Figures Figure 1 Logic & Polarity Functional Diagram ..................................................... 11 Figure 2 Timi ng Diagr am .............
PDG-2515/2520 Operating Manual Page v MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Safety W arning SAFE OPERATING PROCEDURES AND PROPER USE OF THE EQUIPMENT ARE THE RESPONSIBILITY OF THE USER OF THIS SYSTEM.
PDG-2515/2520 Operating Manual Page 1 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. PDG-2515 Operating Manual Quick S t art Guide This quick-start guide provides a step-by -step guide to manually operating the PDG-2515. Please refer to the appropriate sections of the manual for additional instructions and guidelines.
PDG-2515/2520 Operating Manual Page 2 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Output Button The output button enables/disables the pulse output. Menu Button This button is for navigating the PDG-2515 menus. Enter Button Used for variables that will be permanent ly stored in the unit or require setup times internal to the PDG-2515.
PDG-2515/2520 Operating Manual Page 3 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. X10 button once to increment it to 250ns, then rotate the encoder wheel to increase it to 300ns. At this point, pressing the X10 button again would increase the delay to 3.
PDG-2515/2520 Operating Manual Page 4 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. The PDG-2515 accepts input volt ages of 90-264VAC, 47-63Hz. Example Setup The default setup is 1 kHz, with zero delay and 100 us pulse on both channels.
PDG-2515/2520 Operating Manual Page 5 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Product Overview Description The PDG-2515 is a two channel digital delay/pulse generator. Each channel offers independently adjustable delay and width, with 25 nanosecond resolution.
PDG-2515/2520 Operating Manual Page 6 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Specifications PA RA METE R V al ue OUTPUTS Output Channels Two (2) outputs, each wi th independent di gi tally controlled delay and pulse width Delay Range 0 to 99.
PDG-2515/2520 Operating Manual Page 7 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Applications The versatile functionality of the PDG- 2515 makes it ideal for the needs of numerous applications as a small bench top instrument.
PDG-2515/2520 Operating Manual Page 8 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. equipment when making connections in high voltage or high current circuits. Discharge high voltage c apacitors after removing power. Servicing Safety Summary DEI strongly recommends that all repai rs and adjustments be performed by factory qualified personnel.
PDG-2515/2520 Operating Manual Page 9 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. change is accomplished by using t he encoder while holding the 10X button down. Power-Up Procedures The unit should be powered up us ing the following procedures: Connect OUT 1 and/or OUT 2 to an appropriate load us ing 50 Ohm coaxial cable (See Section 6.
PDG-2515/2520 Operating Manual Page 10 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. the contrast settings of the unit. The operating modes will be discussed in more detail in section 9.0. Enabl ing and disabling a channel can also happen on the fly in pulse generation and Divide By N modes.
PDG-2515/2520 Operating Manual Page 11 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 1 Logic & Polarity Functional Diagram THE CONFIGS MENU The CONFIGS MENU allows the user to save or load up to 5 different configurations.
PDG-2515/2520 Operating Manual Page 12 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 2 Timing Diagram Please note that in external trigger mode, all outputs are delayed from the leading edge of the exte rnal trigger signal.
PDG-2515/2520 Operating Manual Page 13 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 3 Example 1: Pulse Generator Mode Figure 4 Example 2: Pulse Generator Mode Pulse Count Mode In Pulse Count Mode, the PDG-2515 generates a series of pulses, the number of which is set by the PULSE CT variables on the respective channel menu.
PDG-2515/2520 Operating Manual Page 14 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. The PULSE CT variable for each channel c an be set to any value between 1 and 65,535. In setting the PULSE CT , the x10 button will increase this number by a factor of ten and the encoder wheel will increase/decrease the number of pulses incrementally by one.
PDG-2515/2520 Operating Manual Page 15 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Be aware that coming out of this mode, if any variables are out of range by going into a mode that conflicts wit h these settings, the channel/channels will be set back to the default values.
PDG-2515/2520 Operating Manual Page 16 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. frequency at a limited duty cycle and cutoff any length of burst after that length of time).
PDG-2515/2520 Operating Manual Page 17 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. T roubleshooting Guide No power LED or screen does not come up. Check power source, power switch (located on rear of unit). Pulse exhibits excessive ringing. Check load impedance.
PDG-2515/2520 Operating Manual Page 18 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. PDG-2520 Operating Manual Quick S t art Guide This quick-start guide provides a step-by -step guide to manually operating the PDG-2520. Please refer to the appropriate sections of the manual for additional instructions and guidelines.
PDG-2515/2520 Operating Manual Page 19 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Output Button The output button enables/disables the pulse output. Menu Button This button is for navigating the PDG-2520 menus. Enter Button Used for variables that will be permanent ly stored in the unit or require setup times internal to the PDG-2520.
PDG-2515/2520 Operating Manual Page 20 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. X10 button once to increment it to 250ns, then rotate the encoder wheel to increase it to 300ns. At this point, pressing the X10 button again would increase the delay to 3.
PDG-2515/2520 Operating Manual Page 21 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. The PDG-2520 accepts input volt ages of 90-264VAC, 47-63Hz. Example Setup The default setup is 1 kHz, with zero delay and 100 us pulse on both channels.
PDG-2515/2520 Operating Manual Page 22 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Product Overview Description The PDG-2520 is a four channel digital delay/pulse generator. Each channel offers independently adjustable delay and width, with 25 nanosecond resolution.
PDG-2515/2520 Operating Manual Page 23 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Specifications PA RA METE R V al ue OUTPUTS Output Channels Four (4) outputs, each wi th independent di gi tally controlled delay and pulse width Delay Range 0 to 99.
PDG-2515/2520 Operating Manual Page 24 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Applications The versatile functionality of the PDG- 2520 makes it ideal for the needs of numerous applications as a small bench top instrument.
PDG-2515/2520 Operating Manual Page 25 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. equipment when making connections in high voltage or high current circuits. Discharge high voltage c apacitors after removing power. Servicing Safety Summary DEI strongly recommends that all repai rs and adjustments be performed by factory qualified personnel.
PDG-2515/2520 Operating Manual Page 26 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. change is accomplished by using t he encoder while holding the 10X button down. Power-Up Procedures The unit should be powered up us ing the following procedures: Connect OUTPUTs to an appropriate load using 50 Ohm coaxial cable (See Section 6.
PDG-2515/2520 Operating Manual Page 27 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. modes will be discussed in more deta il in section 9.0. Enabling and disabling a channel can also happen on t he fly in all modes except Burst Mode.
PDG-2515/2520 Operating Manual Page 28 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 9 Logic & Polarity Functional Diagram THE CONFIGS MENU The CONFIGS MENU allows the user to save or load up to 5 different configurations.
PDG-2515/2520 Operating Manual Page 29 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 10 Timing Diagram Please note that in external trigger mode, all outputs are delayed from the leading edge of the exte rnal trigger signal.
PDG-2515/2520 Operating Manual Page 30 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 11 Example 1: Pulse Generator Mode Figure 12 Example 2: Pulse Generator Mode with logic Pulse Count Mode In Pulse Count Mode, the PDG-2520 generates a series of pulses, the number of which is set by the PULSE CT variables on the respective channel menu.
PDG-2515/2520 Operating Manual Page 31 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. The PULSE CT variable for each channel c an be set to any value between 1 and 65,535. In setting the PULSE CT , the x10 button will increase this number by a factor of ten and the encoder wheel will increase/decrease the number of pulses incrementally by one.
PDG-2515/2520 Operating Manual Page 32 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Be aware that coming out of this mode, if any variables are out of range by going into a mode that conflicts wit h these settings, the channel/channels will be set back to the default values.
PDG-2515/2520 Operating Manual Page 33 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Burst Mode In Burst Mode , a set number of pulses (the burst packet) are output from OUT1.
PDG-2515/2520 Operating Manual Page 34 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Figure 17 Example: Single Shot Mode.
PDG-2515/2520 Operating Manual Page 35 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. T roubleshooting Guide No power LED or screen does not come up. Check power source, power switch (located on rear of unit). Pulse exhibits excessive ringing. Check load impedance.
PDG-2515/2520 Operating Manual Page 36 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Communications and Remote Operation: The PDG25xx series of pulse generator s have the option of a communications interface. The options are RS232 or GPIB interface.
PDG-2515/2520 Operating Manual Page 37 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Reply: The reply generated will be either response to the data sent to the unit, as in a query, or an error code. The error code will be prefaced by a ‘#’ and then the ascii code itself.
PDG-2515/2520 Operating Manual Page 38 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. 2 READ,WRITE SET MODE TO DIVIDE-BY-N MODE 3 READ,WRITE SET MODE TO BURST MODE 4 READ,WRITE SET MODE TO INTERNA.
PDG-2515/2520 Operating Manual Page 39 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Error Set: First Byte Decimal Hex Error # 0 0x00 NO ERROR # 1-63 0x01-0x3A RESERVED # 64 0x40 DATA IS OUT OF R.
PDG-2515/2520 Operating Manual Page 40 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Cont act DEI We want to hear from you! Directed Energy, Inc. prov ides a standard line of High Voltage Pulse Generators, Laser & Diode Drivers, an d Test & Measurement Equipment.
PDG-2515/2520 Operating Manual Page 41 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. Factory Service & Support This product has been designed to provi de simple trouble-free use by qualified technical personnel, under normal operating conditions.
PDG-2515/2520 Operating Manual Page 42 MNPDG2515-2520R0.doc © 2004 Directed Energy, Inc. W arranty Directed Energy, Inc. (DEI) warrants equipm ent it manufactures to be free from defects in materials.
An important point after buying a device DEI PDG-2515/2520 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought DEI PDG-2515/2520 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data DEI PDG-2515/2520 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, DEI PDG-2515/2520 you will learn all the available features of the product, as well as information on its operation. The information that you get DEI PDG-2515/2520 will certainly help you make a decision on the purchase.
If you already are a holder of DEI PDG-2515/2520, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime DEI PDG-2515/2520.
However, one of the most important roles played by the user manual is to help in solving problems with DEI PDG-2515/2520. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device DEI PDG-2515/2520 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
