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Philips 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):

Models: PM2811 PM2812 PM2813 PM2831 PM2832

1 115

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5 - 20 Users Manual

At delivery the contents of all addresses are set to their minimum value. When an

address has been filled, its contents can be recalled, so that the settin

g

s become

actual. The actual settin

g

s can be updated in OPERATE and STANDBY modes,

but they are only active in the OPERATE mode. When the power supply is in the

STANDBY mode, the actual settin

g

s will become active as soon as the OPERATE

mode is entered.

Note: To remember which locations have been pro

g

rammed and which have not, keep a record (such as the followin

g

) of which locations have been used.Local control (store/recall):

The volta

g

e Vset can be set usin

g

the key and the numeric input keys.

The output volta

g

e can be adjusted usin

g

the key in the OPERATE mode.

The current Iset can be set usin

g

the key and the numeric input keys.

The output current can be adjusted usin

g

the key in the OPERATE mode.

The actual volta

g

e/current settin

g

can be stored usin

g

the key.

The actual volta

g

e/current settin

g

can be recalled usin

g

the key.

Example:

• REQUIREMENTS : Fill the memory address 23 with 5V/0.3A and the

memory addresses 33, 34, and 35 with, respectively,

4V/1A, 3V/1A and 2V/1A for output channel 1.

• SOLUTION:

Press to make the STANDBY mode active.

For multiple output units, press a number of times until output

channel 1 has been selected (see indication 1 on the display).

Press to set the actual volta

g

e at 5V.

Press to set the actual current at 0.3A.

Press to store the 5V and 0.3A at memory address 23.

MEMORY OUTPUT CHANNEL 1 OUTPUT CHANNEL 2

ADDRESS VOLTAGE CURRENT VOLTAGE CURRENT

01 2.0 0.00 5.9 0.90

02 1.9 0.10 5.8 0.80

03 1.8 0.20 5.7 0.70

04 etc. etc. etc. etc.

V

V

+

I

I

+

STORE

RECALL

OPR

STBY

SELECT

V

5

ENTER

I

3

ENTER

STORE

2

3

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