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Summary of Contents for Quantum 9700 Series
- Page 1 9700 Series Pulse Generator User's Manual Quantum Composers, Inc Phone (406) 582-0227 PO Box 4248 Fax (406) 582-0237 Bozeman, MT 59772 www.quantumcomposers.com...
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Page 2: Table Of Contents
Table of Contents 1 Introduction ............. . Technical Support . - Page 3 Table of Contents Main Menu ............. . MODE - Pulse Modes .
- Page 4 Table of Contents...
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Page 5: Introduction
1 INTRODUCTION This manual is designed to help you quickly and easily learn to use your Quantum Composers Model 9700 current pulse generator. The 9700 provides digitally controlled current pulses with currents from 0 - 25 Amps and pulsewidths from 100µs to 100ms. -
Page 6: Custom Modifications
New features and operating modes often can be added without hardware modifications by merely modifying the software contained inside the 9700 - contact Quantum Composers for details. Safety Issues Normal use of test equipment exposes users to a certain amount of danger from electrical shock because testing must be performed where exposed voltage is present. - Page 7 as the on-off switch, fuses, power transformer etc., any time the equipment is connected to an AC outlet, even if the equipment is turned off. 6. Never work alone. Someone should always be nearby to render aid if necessary. Training in CPR first aid is highly recommended.
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Page 9: Controls And Connectors
2 CONTROLS AND CONNECTORS This chapter explains the function of each control and connector on the 9700. Front Panel The front panel contains the most frequently used controls and connectors. Display The 9700 features a backlit liquid crystal display, which displays menu selections and settings. -
Page 10: Left Button
Left Button For numeric items, this button is used to select which digit in a numeric entry is selected for editing. For other items, or when the left most digit is already selected for numeric items, pressing and holding this button down displays a brief description of the current item. -
Page 11: External Trigger
The charge level indicator illuminates when the capacitor bank is fully charged. The current monitor is an oscilloscope compatible reference voltage to monitor the current pulse, 1A = 100mV. External Trigger Trig In (BNC) -- external signal input to trigger the generation of pulses. Optoisolated input, 3-15V (>3mA). -
Page 12: Gpib Port (Optional)
GPIB Port (optional) The GPIB (IEEE 488) interface is available as an option with the 9700. AC Input A standard EIC instrument-type cord should be used. The 9700 is supplied with a power cord that fits the type of socket used in your country. Input requirements: 100-240VAC, 1A... -
Page 13: Operating Instructions
3 OPERATING INSTRUCTIONS This chapter presents detailed instructions on the operation of the 9700. Overview The 9700 provides digitally controlled, single shot, current pulses. The current is provided by a 3700mF capacitor bank charged to approximately 44V. The ability of the instrument to maintain the requested current will be load dependent, limited by the voltage and the stored energy. -
Page 14: Selecting Menu Items
Selecting Menu Items The menu items in the 9700 are arranged in a set. Pressing the key will toggle between sets of menus, while the key will toggle between menu items within the current set. Hold down the Left arrow key to receive a short description of the current menu item. -
Page 15: Single Shot Mode
Single Shot Mode During Single Shot operation, one pulse is generated each time the Run key is pressed. The rate at which pulses are produced is totally dependent on how fast the Run key is pressed. The delay of each of the outputs is relative to To (the internal clock). -
Page 16: N:wid - Tn:pulse Width
n:Wid - Tn:Pulse Width Each of the two (2) channels has an independent pulse width setting which is set from the Tn:Wid menu, where n = 1, 2. Pulsewidths from 100µs to 100ms may be selected with a resolution of 200ns. *See custom features for Long Pulse option specifications. -
Page 17: Shot Counter
Shot Counter The 9700 includes a nine (9) digit shot counter. The maximum count displayed is 4,294,967,295 after which the count rolls over to zero. To manually reset the counter to zero, press the Left or Right arrow key. You will prompted to press the to verify that you want to zero the counter. -
Page 19: Computer Interface
____________________________________________________________________ 4 Computer Interface The 9700 comes standard with an RS232 serial interface; a GPIB (IEEE-488) interface is available as an option. All menu settings can be set and retrieved over the computer interface using a simple command language. Serial (RS232) Pinout The serial port is located on the back of the 9700, and uses a 9-pin D-type connector with the following pinout (as viewed from the back of the 9700): 1. -
Page 20: Command Protocol
Command Protocol All commands have the following syntax: $<name> <##>CR where P $ indicates a command follows. P <name> is the command name. No spaces are allowed between the $ and the <name> . The name is case sensitive. <##> is an unsigned integer associated with the command. A space must be inserted between <name>... -
Page 21: Communication Protocol
where name = a valid command name. This will return an integer followed by a space, carriage return, and a line feed character (ASCII 10). Example - the following command would retrieve the current Cycles setting: $MODE ? The pulse generator will return the following: Echo Enabled: MODE ?<cr><lf>... -
Page 22: Command Listing
Command List The following table summarizes all the commands: 9700 Communication Commands Command Name Parameters Description MODE 0 = Single Shot mode Sets the pulse generator mode. 1 = External Trigger mode TRIG 0 = falling edge Sets the active edge of the Ext/Gate signal when used as 1 = rising edge an external trigger. -
Page 23: Specifications
4 SPECIFICATIONS DELAYS P CHANNELS Two (2) independent outputs, with digitally controlled delay and pulsewidth. P CURRENT 0 to 25A (Bank voltage 44V minimum) RESOLUTION 10mA ACCURACY 50mA P DELAY 0 to 99.9999998s RESOLUTION 200ns P PULSEWIDTH 100µs to 100ms RESOLUTION 200ns P ACCURACY... -
Page 24: Outputs
OUTPUTS (T1,T2) P IMPEDANCE 1.405Ω P SLEW RATE > 2.5A/µs P OVERSHOOT < 100mA + 10% of pulse amplitude P AMPLITUDE 0-25A (loads 1 - 10 ohm) P PEAK CURRENT 25A per channel P DC CURRENT LIMIT 150mA (each channel) COMPUTER INTERFACE P RS232 9600 Baud. -
Page 25: Maintenance
5 MAINTENANCE Except for fuse replacement, the 9700 should require no maintenance. Replacing the Fuse A pair of fuses are mounted in the power entry module. To replace fuses, follow the instructions given below: 1. Unplug the 9700 from power source and remove power cord from the back panel. - Page 27 6 CUSTOM FEATURES Long Pulse Option Specifications -10µs - 100ms @ 10A for the duration of the width.
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