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Philips Note: The address aa is the actual GPIB device address (default = 28)., Note: The SELECT function is applicable only for multiple output models.

Models: PM2811 PM2812 PM2813 PM2831 PM2832

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4 - 2 Users Manual

4.1.2 Instrument identification

Your power supply can be identified by its model number and version number. At

delivery the power supply has a default IEEE device address. To identify your

power supply, proceed as follows:

1) Start up the identification by pressin

g

:

the key as many times as necessary to dislay the followin

g

:

Note: The address aa is the actual GPIB device address (default = 28).

2) Proceed with the identification by pressin

g

:

the key a

g

ain so that the display shows the followin

g

:

Note : - PM28nn is the model number of the power supply.- Vx.x is the firmware version of the power supply.- y is the number of the output channel (1, 2 or 3).- zz is the firmware version of the output channel.

The firmware versions of all output channels can be verified by pressin

g

to chan

g

e Y (output channel number) on the display.

Note: The SELECT function is applicable only for multiple output models.

3) Finish the identification by pressin

g

:.

AUX

A aDDRESS a

AUX

P :M28nn V zx.x y z

SELECT

ENTER

Contents

Main PM2811-PM2812-PM2813 PM2831-PM2832 Users Manual Page Pro rammable Power Supplies III LIMITED WARRANTY & LIMITATION OF LIABILITY Page CONTENS 1 OPERATOR SAFETY 2 INTRODUCTION 3 INSTALLATION INSTRUCTIONS 4 GETTING FAMILIAR WITH THE POWER SUPPLY 5 USING YOUR PROGRAMMABLE POWER SUPPLY Page Page Page INSIDE THIS MANUAL Page 1 OPERATOR SAFETY 1.1 INTRODUCTION 1.2 SAFETY PRECAUTIONS 1.3 CAUTION AND WARNING STATEMENTS CAUTION: Is used to indicate correct operatin 1.4 SYMBOLS 1.5 IMPAIRED SAFETY 2 INTRODUCTION 2.1 INTRODUCTION TO YOUR PROGRAMMABLE POWER SUPPLY Page ! Single rear panel (PM2811 only) !!! -S -V +V +S -S -V +V +S READY START 2.2 BASIC OPERATION Page Page IEEE 488.2 compatibility SCPI compatibility Page Page Page Page 2.3 ADVANCED OPERATION Page Page 3 INSTALLATION INSTRUCTIONS 3.1 INTRODUCTION 3.2 INITIAL INSPECTION 3.3 OPERATOR SAFETY INSTRUCTIONS CAUTION: When an instrument is brou 3.4 INSTALLATION Page Note: Switchin Page Page 3.5 OUTPUT CONNECTIONS Page 3.6 ACCEPTANCE TESTS Page Note: For meanin es" in the Reference Manual. of the hardware error numbers, refer to section 3.6.1 "Brief check" or to "Error Messa Page 4 GETTING FAMILIAR WITH THE POWER SUPPLY 4.1 INITIAL SETUP OF YOUR POWER SUPPLY Normal self test indications Self test errors Note: The address aa is the actual GPIB device address (default = 28). Note: The SELECT function is applicable only for multiple output models. 4.2 FRONT PANEL LAYOUT . 4 - 4 Users Manual + Gettin Familair with the Power Supply 4 - 5 1) The CALIBRATION mode is entered when you turn on the power supply while pressin the AUX key. 2) To unlock the keyboard, press the ENTER key for approximately 5 seconds. Note: The output channel indication is displayed only for multiple output channel models. 4.3 OUTPUT CHANNEL CONNECTIONS 4.4 GETTING STARTED le output model the number n will not be displayed. Page Note: The diameter of the jumper wire must be lar e enou h to carry the maximum short-circuit current. Page Page 5 USING YOUR PROGRAMMABLE POWER SUPPLY 5.1 INTRODUCTION 5.2 LOCAL OPERATION = applies to multiple output models only. Note: 5.3 REMOTE OPERATION 5.4 OPERATING FEATURES Page CAUTION: Only output channels with equivalent volta e and current ratin ed. s may be connected in series or in parallel to prevent that the channel with the lowest ratin s will be dama 5.5 HOW TO USE THE OPERATING FEATURES PM2811/12/13 ure 5.5.1 Output Channel Characteristics PM2831/32 ure 5.5.2 Output channel characteristics ure 5.5.3 Current sink characteristics . any chan ure 5.5.4 Volta e drop due to Wire Resistance R mode: Remote sensin ure 5.5.6 Connection of a Load in the Remote Sense Mode mode: ure 5.5.5 Connection of a Load in the Local Sense Mode Page ure 5.5.7 Power Output Crossover Point Page Page Page Local control (in CV or CC mode): Remote control (in CV or CC mode): Page Note: To remember which locations have been pro rammed and which have not, keep a record (such as the followin ) of which locations have been used. Local control (store/recall): Remote control (store/recall): Manual step function: Remark: When the next step is executed, the next volta e and current settin ): Page Remote control (automatic steppin ): External step functions Note: LOW = 0 to 0.8V and HIGH = 2 to 5V Tri gg er bus control: nored. Note: STEP pulses, received while the READY line is low, will be i 5.6 ADVANCED USE Note: For the PM2812 and PM2813 you can face a number of restrictions when connectin output channels in parallel to a load. Please read Appendix D to (outputs in parallel): with Two Outputs in Parallel CAUTION: To prevent noise pickup, twist the sense wires and shield them from the environment. ure 5.6.1 Local Sensin Page Page Page Page DT+ DT Remote sensin (loads in parallel): CAUTION: To prevent noise pickup, twist the sense wires and shield them from the environment. ure 5.6.6 Remote Sensin withTwo Loads in Parallel APPENDIX A ACCESSORIES A.1 Supplied with the instrument A.2 Optional Page APPENDIX B SCPI CONFORMANCE INFORMATION Page Page B.3 SCPI approved B.4 SCPI syntax and style Page APPENDIX C ABBREVIATIONS, SYMBOLS & TERMS C.1 Abbreviations Page Page Page C.2 Glossary of symbols C.3 Glossary of terms Page Page APPENDIX D APPLICATION FOR PM2812 AND PM2813 e mode. ure D.2 Channels connected in parallel to a load. Both channels are in Constant Volta e mode. Note: Coupled Protection is possible only for the channels in the same Power Supply. Try to prevent that the down pro Case 1: Constant Current Case 2: Constant Volta e, Output Current from a fixed minimum value to the maximum Case 3: Constant Volta e, Output Current from 0A to the maximum Page INDEX A C D E F G I L M N O P R S T V W