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User’s Guide
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The Agilent E3633A and Agilent E3634A are high performance 200 watt single- output dual range programmable DC power supplies with both GPIB and RS- 232 interfaces. The combination of bench-top and system features in these power supplies provides versatile solutions for your design and test requirements. Convenient bench-top features • Single-output dual range • Easy-to-use knob control settings • Highly visible vacuum-fluorescent display meters • High accuracy and high resolution • Remote volt
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The Front Panel at a Glance 1 8V/20A range selection key (E3633A) 7 Store operating state/Local key 25V/7A range selection key (E3634A) 8 Error/Calibrate key 2 20V/10A range selection key (E3633A) 9 I/O Configuration/Secure key 50V/4A range selection key (E3634A) 10 Output On/Off key 3 Overvoltage protection key 11 Control knob 4 Overcurrent protection key 12 Resolution selection keys 5 Display limit key 13 Voltage/current adjust selection key 6 Recall operating state ke
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1 8V/20A* or 25V/7A** range selection key Selects the 8V/20A or 25V/7A range and allows the full rated output to 8V/20A or 25V/7A. 2 20V/10A* or 50V/4A** range selection key Selects the 20V/10A or 50V/4A range and allows the full rated output to 20V/10A or 50V/4A. 3 Overvoltage protection key Enables or disables the overvoltage protection function, sets trip voltage level, and clears the overvoltage condition. 4 Overcurrent protection key Enables or disables the overcurrent protection f
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Front-Panel Voltage and Current Limit Settings You can set the voltage and current limit values from the front panel using the following method. Use the voltage/current adjust selection key, the resolution selection keys, and the control knob to change the voltage and current limit values. 1 Select the desired range using the range selection keys after turning on the power supply. Display 2 Press the key to show the limit values on the display. Limit 3 Move the blinking digit to the appropri
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Display Annunciators Adrs Power supply is addressed to listen or talk over a remote interface. Rmt Power supply is in remote interface mode. 8V Shows the 8V/20A range is selected. (Agilent E3633A model) 20V Shows the 20V/10A range is selected. (Agilent E3633A model) 25V Shows the 25V/7A range is selected. (Agilent E3634A model) 50V Shows the 50V/4A range is selected. (Agilent E3634A model) OVP The overvoltage protection function is enabled when the annunciator turns on or the overvoltage protec
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The Rear Panel at a Glance 1 Power-line voltage setting 5 GPIB (IEEE-488) interface connector 2 Power-line fuse-holder assembly 6 RS-232 interface connector 3 AC inlet 7 Rear output terminals 4 Power-line module I/O Use the front-panel key to: Config • Select the GPIB or RS-232 interface (see chapter 3). • Set the GPIB bus address (see chapter 3). • Set the RS-232 baud rate and parity (see chapter 3). 6
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In This Book General Information Chapter 1 contains a general description of your power supply. This chapter also provides instructions for checking your power supply, connecting to ac power, and selecting power-line voltage. Initial Operation Chapter 2 ensures that the power supply develops its rated outputs and properly responds to operation from the front panel. Front-Panel Operation Chapter 3 describes in detail the use of front-panel keys and how they are used to operate the p
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Contents Contents Chapter 1 General Information Safety Considerations- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 14 Safety and EMC Requirements - - - - - - - - - - - - - - - - - - - - - - - - 14 Options and Accessories - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15 Options- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15 Accessories - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15 De
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Contents Disabling the Output - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 52 Disabling the Output Using an External Relay- - - - - - - - - - - - - - - 53 Knob Locking- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 53 System-Related Operations- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 54 Self-Test - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 54 Error Conditions - - - - - - - - - - -
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Contents Contents Calibration Commands- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 98 RS-232 Interface Commands - - - - - - - - - - - - - - - - - - - - - - - - - - - 101 The SCPI Status Registers - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 102 What is an Event Register? - - - - - - - - - - - - - - - - - - - - - - - - - - 102 What is an Enable Register? - - - - - - - - - - - - - - - - - - - - - - - - - 102 SCPI Status System - - - - - - - - - - - - - - - - - - -
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Contents Output Isolation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 153 Multiple Loads - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 153 Remote Voltage Sensing - - - - - - - - - - - - - - - - - - - - - - - - - - - - 154 Load Consideration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 155 Extending the Voltage and Current Range - - - - - - - - - - - - - - - - - 157 Series Connections - - - - - - - - - - - - - - - - - - - - -
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1 General Information
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General Information This is the User’s guide for your Agilent E3633A and E3634A DC power supplies. Unless otherwise stated, the information in this manual applies to both two models. This chapter provides a general description of your power supply. This chapter also contains instructions for initial inspection, location and cooling for bench and rack operation, selecting the power-line voltage, and connecting your power supply to ac power. Safety Considerations This power supply is a Safet
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Chapter 1 General Information Options and Accessories 1 • EN 55011(1991) Group 1, Class A/CISPR 11(1990): Limits and Methods of Radio Interference Characteristics of Industrial, Scientific, and Medical (ISM) Radio - Frequency Equipment Options and Accessories Options Option ‘‘0E3’’ and ‘‘0E9’’ determine which power-line voltage is selected at the factory. The standard unit is configured for 115 Vac ± 10%, 47-63 Hz input voltage. For more information about changing the power-line voltage sett
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Chapter 1 General Information Description Description The Agilent E3633A and Agilent E3634A DC power supplies feature a combination of programming capabilities and linear power supply performance that makes them ideal for power systems applications. The power supply is programmable locally from the front panel or remotely over the GPIB and RS-232 interfaces. This power supply has two ranges, allowing more voltage at a lower current. An output range needed is selected from the front panel o
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Chapter 1 General Information Description 1 When operated over the remote interface, the power supply can be both a listener and a talker. Using an external controller, you can instruct the power supply to set the output and to send the status data back over the GPIB or RS-232. Capabilities include the following features: • Voltage and current programming • Voltage and current readback • Present and stored status readback • Programming syntax error detection • Complete self-test The front-pan
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Chapter 1 General Information Description Warning Outputs can be floated to maximum of ±240 Vdc provided that the metal shorting bars without insulation are either replaced with insulated conductors or they are removed from the terminals so there is no operator access to the output conductors without insulation. All field wiring insulation must be adequate for the voltage present. The power supply is shipped with a detachable, 3-wire grounding type power cord. The ac line fuse is an extract
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Chapter 1 General Information Installation 1 Installation Initial Inspection When you receive your power supply, inspect it for any obvious damage that may have occurred during shipment. If any damage is found, notify the carrier and the nearest Agilent Sales Office immediately. Warranty information is shown in the front of this manual. Keep the original packing materials in case the power supply has to be returned to Agilent Technologies in the future. If you return the power supply for ser
