Manuals / Brands / Computer Equipment / Power Supply / HP / Computer Equipment / Power Supply

HP 6631B, 6632B, 6633B, 6634B Front Panel Calibration, Enable Calibration Mode, Overvoltage Protection Calibration, Voltage Programming and Measurement Calibration

1 75

Download 75 pages, 477.65 Kb

B - Verification and Calibration

Front Panel Calibration

These procedures assume you understand how to operate front panel keys (see chapter 5).

Enable Calibration Mode

	Action	Display
1.	Reset the unit by selecting Output, scrolling to *RST and pressing	*RST
	Enter.
2.	Press Output On/Off to enable the output.	00.003V 0.0006A
3.	To begin calibration press Shift Cal, scroll to CAL ON and press	CAL ON 0.0
	Enter.

4.Enter the calibration password from Entry keypad and press Enter.

	lf the password is correct the Cal annunciator will come on.	CAL DENIED
	If CAL DENIED appears, then an internal switch has been set to	CAL DENIED
	prevent the calibration from being changed. (See the Service	OUT OF RANGE
	Manual.)	OUT OF RANGE
	lf the password is incorrect, an error occurs. If the active password is
	lost, the calibration function can be recovered by setting an internal
	switch that defeats password protection. (See the Service Manual.)
Voltage Programming and Measurement Calibration
	Action	Display
5.	Connect the DMM (dc volts mode) directly to the dc source. Do not
	connect the load resistor or current shunt.
6.	Press Shift Cal, scroll to CAL VOLT, and press Enter.	CAL:VOLT
7.	Press Shift Cal, scroll to CAL LEV, and press Enter to select the	CAL:LEV P1
	first calibration point.
8.	Press Shift Cal, scroll to CAL DATA, and use the Entry keypad to	CAL:DATA 0.00
	enter the voltage value displayed on the DMM.
9.	Press Shift Cal, scroll to CAL LEV, use ä to scroll to P2 (the	CAL:LEV P2
	second calibration point), and press Enter.
10.	Press Shift Cal, scroll to CAL DATA, and use the Entry keypad to	CAL:DATA 0.00
	enter the second voltage value displayed on the DMM.
Overvoltage Protection Calibration
	Action	Display
11.	Press Shift Cal, scroll to CAL VOLT PROT, and press Enter.	CAL:VOLT:PROT

12.Wait for the dc source to compute the OVP calibration constant. The display returns to Meter mode when the calculation is complete.

60

Contents

USER’S GUIDE Dynamic Measurement DC Source HP Model 66332A System DC Power Supply HP Model 6631B, 6632B, 6633B, 6634B Warranty Information CERTIFICATION WARRANTY LIMITATION OF WARRANTY EXCLUSIVE REMEDIES Safety Summary Page Declaration Page DECLARATION OF CONFORMITY Acoustic Noise Information Printing History Table of Contents QUICK REFERENCE GENERAL INFORMATION INSTALLATION TURN-ONCHECKOUT FRONT PANEL OPERATION SPECIFICATIONS VERIFICATION AND CALIBRATION ERROR MESSAGES Quick Reference Convenient bench-topfeatures Flexible system features The Front Panel - At a Glance Use the arrow keys and knob to change voltage or current settings Use the Function keys and knob to change the displayed settings Use the Arrow keys to edit individual digits in the displayed setting Use the Function keys and Entry keys to enter a new value Front Panel Annunciators Unr Dis OCP Prot Front Panel Menus - At a Glance SCPI Programming Commands - At a Glance Use the front panel Address menu to Page General Information Safety Considerations Options and Accessories Table 2-1.Options Table 2-2.Accessories Description Capabilities Front Panel Controls Remote Programming Output Characteristic Figure 2-1.Dc Source Output Characteristic Installation Damage Packaging Material Items Supplied Cleaning Bench Operation Rack Mounting Connect the Power Cord Wire Considerations Current Ratings Voltage Drops Multiple Load Connections Sense Leads Stability Inductive Loading Capacitive Loading Digital I/O Connections Figure 3-4.FLT/INH Examples Figure 3-5.Digital I/O Examples HP-IBInterface RS-232Interface Turn-OnCheckout Checkout Procedure Table 4-1.Checkout Programming Values Procedure Explanation Error Messages Line Fuse Front panel Operation jDisplay kAnnunciators Unr OCP Cal System Keys Figure 5-2.System Keys Command Function Immediate Action Keys Scrolling Keys Metering Keys Output Control Keys Entry Keys Figure 5-4.Entry Keys parameter 1 - Setting the Output Voltage and Current 2 - Querying and Clearing Output Protection 3 - Making Front Panel Measurements Figure 5-5.Front Panel Pulse Measurement Parameters (HP 66332A only) Use the Meter menu for making front panel measurements: Note: 4 - Programming the Digital Output Port 5 - Programming the Output Relay (option 760 only) 6 - Setting the HP-IBAddress and RS-232Parameters 7 - Saving and Recalling Operating States Page Specifications Specifications Table A-1.Performance Specifications Supplemental Characteristics Table A-2.Supplemental Characteristics Table A-2.Supplemental Characteristics (continued) Page Verification and Calibration Equipment Required Test Setup Figure B-1.Verification & Calibration Test Setup Performing the Verification Tests Turn-OnCheckout Voltage Programming and Measurement Accuracy Current Programming and Measurement Accuracy Current Measurement (Low Range) Current Sink Measurement Table B- 3. Verification Test Record for HP 6631B Table B- 4. Verification Test Record for HP 66332A or HP 6632B Table B- 5. Verification Test Record for HP 6633B Table B- 6. Verification Test Record for HP 6634B Front Panel Calibration Menu Front Panel Calibration Current Programming and High-RangeMeasurement Calibration Negative Current Programming Calibration Low-RangeCurrent Measurement Calibration AC Current Measurement Calibration (HP 66332A only) Saving the Calibration Constants Calibration Error Messages Table B- 7. HP-IBCalibration Error Messages Changing the Calibration Password Calibration Over the HP-IB Page Error Messages Page Page Page Line Voltage Conversion Open the Unit Configure the Power Transformer Install the Correct Line Fuse Close the Unit Index — 0— — A— — C— — D— — G— — H— — I— — L— — M— — T— — V— — W— HP Sales and Support Office United States of America: Europe: Japan: Asia Pacific: Manual Updates