Fluke PM2811 Data Sheet

®

PM 2800 Family

Programmable Power Supplies

Fluke Programmable Power Supplies meet the need of system
builders and stand alone bench-top use. These supplies are
compact, taking up only two engineering units of high. The
front panel provides full access to all instrument functions,
including voltage and current readback. An extensive set of
protection features has been included to protect your Load or
Device Under Test. Internal memory store 999 voltage and
current settings. The linear series can both source and sink
current. Because the sink level is programmable, the power
supply can act as an electronic load.

Technical Data

• Autoranging for maximum versatility with V & I

• Linear Power Supplies with superior response time
and noise performance programming and current
source and sink capabilities

• Single, dual and triple output versions

• Rear panel outputs or front panel output option

• Only 2HE high 19” rack-mount versions

• Internal memory with 999 locations and
(AUTO)STEP function allows definition of test
patterns with no need for PC

• Operating modes:

- As voltage source (Constant Voltage supply)

- As current source (Constant Current supply)

• Easy system integration

• GPIB/IEEE-488.2 interface standard

• Extensive DUT (Device Under Test) protection
functions:

• Programmable Over-Voltage and Over-Current
protection

• Built-in metering (Readback) of actual measured V
and I values

• Sense lines

• Coupled Protection, all outputs are limited or turned
off when an error in any output occurs

• Reprogramming delay allows controlled brief
overloads

• User-definable status register for error reporting

Versatile power

Fluke now offers two types of power modules :

• Autoranging power modules for superior voltage
and current versatility. The PM 2811, PM 2812 and
PM 2813 offer autoranging in 60 W and 120 W, up
to 180 W per mainframe.

• Linear power modules with superior response
time and noise performance. The PM 2831 and
PM 2832 offer linear power modules from 120 W,
up to 240 W per mainframe.

The PM 2800 series are built around a choice of 6
output power modules:

• 30 V, 10 A, 60 W autoranging

• 60 V, 5 A, 60 W autoranging

• 60 V, 10 A, 120 W autoranging

• 8 V, ± 15 A, 120 W linear

• 60 V, ± 2 A, 120 W linear

• 120 V, ± 1 A, 120 W linear

Because of their modularity, these power supplies are
available in a number of configurations, including
single–, dual– and triple output versions with various
combinations of power modules. Each output is
independently programmable and isolated from other
outputs. In total there are 36 models to choose from.
See the back page for more detailed configuration
and ordering information.

Reliability by design

Reliability of power supplies is of
extreme importance. The PM 2800
family of programmable power
supplies, with their extensive
internal self-monitoring device
protection features and generous
cooling, are designed for years of
trouble-free service.

Simple operation

Front panel operation is easy. Just
set-up the desired voltage, current
and protection levels, and press
the Operate/Standby key to
enable the power at the output
terminals. Each front-panel key
has only a single function, with
the exception of the auxiliary
(AUX) key which is used for
system information such as GPIB
address, display intensity,
calibration mode etc.

Versatile programming

Each model is equipped with a
GPIB/IEEE488.2 interface which
supports the Standard Commands
for Programmable Instruments
(SCPI).

:VOLT12.34
:MEAS:VOLT?
:MEAS:CURR?

SCPI provides a common
command set across a wide
range of test and measurement
instruments. By conforming to
this industry standard in
programming, the task of creating
and supporting GPIB application
programs is made easier.

Extensive protection features

An extensive set of protection
features has been included to
protect your load or Device Under
Test. Voltage and current are
constantly monitored by a
separate readback circuit. This
readback circuit has its own sense
lines to compensate for voltage
drops in the power distribution

lines. The load is protected in case
of an open sense line.
Pressing the Operate/Standby key
removes all power from the
outputs immediately. The voltage
and current values can be set up
in standby mode before applying
power to the Device Under Test.
Over-Voltage Protection (OVP) and
Over-Current Protection (OCP) are
both user-programmable. When a
voltage or current limit is reached,
power is removed from the
outputs instantly.
The power supply's internal
temperature is continuously
monitored. If the temperature rises
excessively, over-temperature
protection shuts down the output
power fast.
The protection mode has a
programmable delay that allows it
to ignore short-term overloads
such as power-up current surges
for intervals of up to 60 seconds.
For dual- and triple-output power
models, the Coupled Protection
mode ensures that all outputs shut
down simultaneously when a fault
is detected in one output. This is
an important feature for
applications requiring positive and
negative balanced voltages such
as an operational amplifier.
When a fault such as Over-Voltage
or Over-Current occurs, the power
supply can generate a GPIB service
request (SRQ). The faults that
generate the interrupt are user­selectable by setting SRQ mask bits
either remotely or from the front
panel. Fault conditions are clearly
displayed on the front panel.

Voltage source or current
source

The power supply can act either
as voltage source or as current
source, depending on the load
conditions and the selected values
of Vset (voltage setting) and lset

(current setting).
Internal Memory and Autostep
Up to 999 settings can per output
be stored and recalled from the
internal memory of the power
supply.

The voltage and current settings of
all outputs are stored in a non­volatile memory with battery
back-up. The last instrument
settings are automatically stored
on power-down.

External trigger lines

The power supplies are equipped
with external trigger lines which
can be used to recall voltage and
current settings from the internal
memory. This allows accurate
synchronization with other
equipment, and results in less
GPIB bus traffic.

(AUTO)STEP function

The STEP function allows the
voltage and current settings stored
in the internal memory to be
recalled successively, and to be
activated if the supply is in Operate
mode, by pressing a single key.
The following setting is recalled
and activated each time the STEP
key is pressed. This function allows
the user to create test patterns
(complete with repetitive loops).
Test patterns can be executed
automatically using the AUTOSTEP
mode, without the need for a PC.
The time between two successive
recalls can be defined by the user
(min. 0.01s, max. 60 s).

®

Coupled Parameters

The power supplies can be set up
to deliver maximum power to your
load by automatically adjusting
the voltage and current settings.
For example, a resistive load is
connected to your power supply
with 6 V and 10 A; a total of 60 W
power. If the voltage were
increased to 7 V, the current
would have to be readjusted
manually to 8.6 A to continue
getting 60 W delivered to your
load in normal mode. Using
coupled parameters mode, the
current setting is adjusted
automatically to 8.6 A by the
power supply to got the full 60 W.

Parameter display

Each power supply has a 16­character frontpanel display with
a 5x7 dot character matrix, using
super twisted LCD technology. The
display allows presentation of
alphanumeric data and is backlit
for easy readout.

Easy calibration

The power supply does not need to
be removed from a rack or system
for calibration. All you need is a
calibrated multimeter. Access to the
power supply calibration mode is
protected with a user­programmable password.

Fit for many applications

The PM 2800 family offers
convenient, single-box solutions for
a wide range of applications.
Programmable Power Supplies are
an essential requirement for many
test & measurement applications.
During the test process the Device
Under test (DUT) must be powered.
In many cases it is necessary to
test the effects of power variations
on operation, for example with

battery-powered equipment. These
effects can be simulated using a
PM 2800 series Programmable
Power Supply.
The PM 2800 family is ideal for
automated test systems. On the
production line, their extensive
programming and device protection
features provide dependable
performance. Triple output units

only 2HE (Engineering Heights) 19
inch rack-mount, provide compact
system building.

General Specifications
Safety According to CE-regulation 73/23 EN61010-1

CAT II, Pollution Degree 2.
UL 3111.1 (no approval) CSA-C22.2, No. 1010-1
(including approval)
For 300 V CAT II, Pollution Degree 2

EMC

Emission EN 50081-1
Susceptibility EN 50082-1

Supplemental Characteristics

Isolation: 240 V above ground

Power Requirements

Line Voltage 115 V ac ± 10 % ; 230 Vac ± 10 %
Line Frequency 50 or 60 Hz

Power Consumption (at maximum load)

PM 2811 1.4 A/110 V, 0.8 A/220 V
PM 2812 2.6 A/110 V, 1.4 A/220 V
PM 2813 3.7 A/ 110 V, 2.0 A/220 V
PM 2831 2.4 A/115 V, 1.2 A/230 V
PM 2832 4.8 A/115 V, 2.4 A/230 V

Environmental Data

MIL-T-28800D, Type III, Class 5, Style E
Operating Temp. 0 °C to 50 °C
Storage Temp. -20 °C to +70 °C

Mechanical Data

Height: (excl., feet): 87 mm (3.43 in) Feet: 18 mm (0.71 in)
Width: For PM 2811 210 mm (8.27 in);

For PM 2812, PM 2813, PM 2831 and PM 2832

420 mm (16.54 in)
Depth: 381 mm (15.0 in)
Weight: For PM 2811: 5.5 kg (12Ib);

For PM 2812 and PM 2813: 9.5 kg (21lb)

For PM 2831 10 kg (22lb)

For PM 2832 14 kg (31Ib)

OUTPUT module 30 V - 10 A - 60 W 60 V - 5 A - 60 W 60 V - 10 A - 120 W

Output Voltage range 0 to 30 V 0 to 60 V 0 to 60 V
Output Current range 0 to 10 A 0 to 5 A 0 to 10 A
Output Power 60 W 60 W 120 W
Overvoltage protection range 2 to 32 V 2 to 62 V 2 to 62 V

Accuracy (at calibration temperature) (at calibration temperature) (at calibration temperature)
Output Voltage ± (0.04 % of setting + 10 mV) ± (0.04 % of setting + 20 mV) ± (0.04 % of setting + 20 mV)
Output Current ± (0.1 % of setting + 50 mA) ± (0.1 % of setting + 25 mA) ± (0.1 % of setting + 50 mA)
Over Voltage Protection ± (0.5 % of setting + 150 mV) ± (0.5 % of setting + 250 mV) ± (0.5 % of setting + 250 mV)

Temperature coefficient

Output Voltage (0.016 % of setting + 2 mV)/K (0.016 % of setting + 2 mV)/K ± 0.016 % of setting + 2 mV)/K
Output Current (0.05 % of setting + 2 mA)/K (0.05 % of setting + 2 mA)/K ± 0.05 % of setting + 2 mA)/K

Long term drift (in an 8 hour period) (in an 8 hour period) (in an 8 hour period)
Output Voltage 0.04 % of setting + 5 mV 0.04 % of setting + 5 mV 0.04 % of setting + 5 mV
Output Current 0.05 % of setting + 10 mA 0.05 % of setting + 10 mA 0.05 % of setting + 10 mA

Programming Resolution (12bit)
Output Voltage 7.5 mV/LSB 15 mV/LSB 15 mV/LSB
Output Current 2.5 mA/LSB 1.25 mA/LSB 2.5 mA/LSB
Over Voltage Protection 7.5 mV/LSB 15 mV/LSB 15 mV/LSB

Source Effect (for any line voltage change within rating)
Voltage ± (0.01 % of setting + 2 mV) ± (0.01 % of setting + 2 mV) ± (0.01 % of setting + 2 mV)
Current ± (0.02 % of setting + 2 mA) ± (0.02 % of setting + 2 mA) ± (0.02 % of setting + 2 mA)

Load Effect (load change 10 % to 90 % (load change 10 % to 90 % (load change 10 % to 90 %

or 90 % to 10 % full load) or 90 % to 10 % full load) or 90 % to 10 % full load)
Constant Voltage ± (0.01 % of setting + 5 mV) ± (0.01 % of setting + 5 mV) ± (0.01 % of setting + 5 mV)
Constant Current ± (0.02 % of setting + 5 mA) ± (0.02 % of setting + 5 mA) ± (0.02 % of setting + 5 mA)

Load cross regulation Negligible for both voltage and current

Output Noise (PARD)

Constant Voltage pp/rms 15 mV/3 mV 30 mV/6 mV 30 mV/6 mV
(40 Hz to 30 MHz)
Constant Current rms 10 mA 10 mA 10 mA
Switching Frequency approx. 20 kHz approx. 20 kHz approx. 20 kHz

Output Module Specifications
Autoranging Power Supplies PM2811, PM2812 and PM2813

READBACK ACCURACY 30 V - 10 A - 60 W 60 V - 5 A - 60 W 60 V - 10 A - 120 W

(referred to the output terminals)

Accuracy (at calibration temperature)
Voltage ± (0.05 % + 25 mV) ± (0.05 % + 50 mV) ± (0.06 % + 30 mV)
Current ± (0.1 % + 30 mA) ± (0.1 % + 15 mA) ± (0.2 % + 50 mA)

Measuring Resolution (12 bit)
Voltage resolution to interface 7.5 mV 15 mV 15 mV
Current resolution to interface 2.5 mA 1.25 mA 1.25 mA
Voltage resolution to display 10 mV 10 mV 10 mV
Current resolution to display 10 mA 10 mA 10 mA

Max. Current at
Reverse voltage 10 A 5 A 10 A

> 0.25 Volt drop per lead

REMOTE SENSE (at open sense connections, the output voltage will not be more than 3 V above the programmed value)

∆I=1 A ∆I=0.5 A ∆I=0.5 A

DYNAMIC OPERATION between 1 and 10 A between 0.5 and 5 A between 1 and 10 A
Settling band ± 50 mV ± 50 mV ± 50 mV
dI/dt < 1 A/µs < 0.5 A/µs < 1 A/µs
Overshoot < 150 mV < 150 mV < 150 mV
Recovery time < 1 ms < 2 ms < 2 ms

Programming response (measured with resistive load)
Up (0 V to max. output) 100 ms @ 2 A 200 ms @ 1 A 200 ms @ 2 A
Up (0 V to max. output) 50 ms @ (no load) 100 ms @ (no load) 100 ms @ (no load)
Down(max. output to 1 V) 100 ms @ 2 A 200 ms @ 1 A 200 ms @ 2 A
Down (max. output to 1 V) 50 ms @ (no load) 500 ms @ (no load) 500 ms @ (no load)

Reprogramming delay

Range 50 ms to 60 s 100 ms to 60 s 100 ms to 60 s
Resolution 1 ms 1 ms 1 ms
Default 50 ms 100 ms 100 ms
Step Interval time up to 60 s up to 60 s up to 60 s

Autoranging Curve for 30 V/10 A/60 W Power Module Autoranging Curve for 60 V/5 A/60 W Power Module Autoranging Curve for 60 V/10 A/120 W Power Module

Output Module 8 V - 15 A - 120 W 60 V - 2 A - 120 W 120 V - 1 A - 120 W

Ranges

Output Voltage range 0 to 8 V 0 to 60 V 0 to 120 V
Output Current range -15 A to + 15 A -2 A to + 2 A -1 A to + 1 A
Input / Output Power 120 W 120 W 120 W
Overvoltage protection range 0 to 10 V 0 to 62 V 0 to 122 V
Minimum output voltage
at maximum sink current 1.0 V at -15 A 1.5 V at –2 A 1.5 V at –1 A

Accuracy (at calibration temperature)
Output Voltage ± (0.04 % + 4 mV) ± (0.04 % + 15 mV) ± (0.04 % + 30 mV)
Output Current (+ and -) ± (0.24 % + 8 mA) ± (0.04 % + 0.5 mA) ± (0.04 % + 0.25 mA)
Over Voltage Protection ± (0.04 % + 4 mV) ± (0.04 % + 15 mV) ± (0.04 % + 30 mV)

Temperature coefficient

Output Voltage 0.01 % /K 0.01 % /K 0.01 % /K
Output Current 0.01 % /K 0.01 % /K 0.01 % /K

Long term drift (8 hour period)
Voltage 0.02 % 0.02 % 0.02 %
Current 0.02 % 0.02 % 0.02 %

Programming Resolution (12 bit)
Voltage 2 mV 15 mV 30 mV
Current 3.75 mA 0.5 mA 0.25 mA
OVP 2.5 mV 15.5 mV 30 mV

Source Effect (for any line voltage change within rating)
Voltage 1 mV 2 mV 2 mV
Current 4 mA 1 mA 0.5 mA

(load change 10 % to 90 % (load change 10 % to 90 % (load change 10 % to 90 %
Load Effect or 90 % to 10 % full load) or 90 % to 10 % full load) or 90 % to 10 % full load)
Constant Voltage 1 mV 2 mV 2 mV
Constant Current 4 mA 1 mA 0.5 mA

Load cross regulation Negligible for both voltage and current

Output Noise (PARD) (40 Hz..20 MHz)

Constant Voltage (pp/rms) 4 mV/1 mV 6 mV/1 mV 6 mV/1 mV
Constant Current (rms) 15 mA 2 mA 2 mA

Output Module Specifications
Linear Power Supplies PM2831 and PM2832

Output Module 8 V - 15 A - 120 W 60 V - 2 A - 120 W 120 V - 1 A - 120 W

READBACK Accuracy (referred to output terminals)(at calibration temperature)

Voltage 0.05 % + 4 mV 0.05 % + 15 mV 0.05 % + 30 mV
Current (+ and -) 0.05 % + 8 mA 0.05 % + 1 mA 0.05 % + 0.5 mA

RESOLUTION to interface (12 bit)
Voltage 2 mV 15 mV 30 mV
Current 3.75 mA 0.5 mA 0.25 mA

RESOLUTION to display (12 bit)
Voltage 1 mV 10 mV 10 mV
Current 1 mA/10 mA 1 mA 1 mA

REMOTE SENSE >1 V/Lead
Maximum allowable voltage 2 V if Vset ≤ 4 V 1 V 1 V
drop per lead (8 V - Vset)/2 if Vset >4 V
Output voltage above
programmed voltage when ≤ 2 V ≤ 1 V ≤ 1 V
sense is open

DYNAMIC OPERATION

Load transition I = 3.75 A to 1.5 A I = 0.5 A to 1.5 A I = 0.25 A to 0.75 A
(@ dI/dt = 5 A/µs)
Settling band (0.1 % of range) 8 mV 60 mV 120 mV
Overshoot 100 mV 100 mV 100 mV
Recovery time 100µs 100µs 100µs

Programming response (Maximum Rise and Fall times for the output to change from 10 % to 90 % or 90 % to 10 % of

its total excursion)

T

rise/Tfall

no load 500µs 500µs 500µs

T

rise/Tfall

with load (50 % ) 1 ms @ load 7.5 A 1 ms @ load 1 A 1 ms @ load 0.5 A

Source/sink switching time

Source to sink 1 ms 1 ms 1 ms
Sink to source 1 ms 1 ms 1 ms
Source to sink level 0.6 V 0.6 V 0.6 V
Hysteresis 150 mV 150 mV 150 mV

Reprogramming delay

Range 0 ms to 60 s 0 ms to 60 s 0 ms to 60 s
Resolution 1 ms 1 ms 1 ms
Default 1 ms 1 ms 1 ms

PM 2831/32 Linear Series Power Supplies

• Single and dual output modules

• Low ripple and noise

• Fast up and down programming

• Current source and sink capabilities

The PM 2830 series can sink as well as source current.
Because the current sink level is programmable, the power
supply can act as an electronic load.

®

Fluke Corporation

P.O. Box 9090, Everett, WA 98206

Fluke Europe B.V.

P.O. Box 1186,
5602 BD Eindhoven,
The Netherlands

For more information call:
In the U.S.A.: [phone]
or Fax: [phone]
In Europe/M-East:
[phone]
or Fax: [phone]
In Canada: [phone]
or Fax: [phone]
From other countries:
[phone]
or Fax: [phone]
Web access: http://www.fluke.com

©Copyright 1999 Fluke Corporation.
All rights reserved.
A0630UEN A

Ordering information

PM 2811/12/13 Autoranging Series Programmable Power Supplies

• Single, dual and triple output versions

• 60 W, 120 W Power Output Options

• Autoranging for maximum versatility with V & I

• Front & Rear Panel Outputs

Front PM 2811/_5_ 30 V 10 A 60 V 5 A 60 V 10 A
Rear PM 2811/_1_ 60 W 60 W 120 W
Single PM 2811/0_n 1 - -

PM 2811/1_n - 1 ­PM 2812/0_n 2 - -

Dual PM 2812/1_n - 2 -

PM 2812/2_n 1 1 ­PM 2812/3_n 1 - 1
PM 2812/4_n - 1 1
PM 2813/0_n 3 - -

Triple PM 2813/1_n - 3 -

PM 2813/2_n 2 1 ­PM 2813/3_n 1 2 -

PM 2831/32 Linear Series Power Supplies

• Single and dual output modules

• Low ripple and noise

• Fast up and down programming

• Current source and sink capabilities

Front PM 2831/_5_ 8 V ±15 A 60 V ±2 A 120 V ±1 A
Rear PM 2831/_1_ 120 W 120 W 120 W
Single PM 2831/0_n - 1 -

PM 2831/1_n - - 1
PM 2831/2_n 1 - -

Dual PM 2832/0_n - 2 -

PM 2832/1_n - - 2
PM 2832/2_n - 1 1
PM 2832/3_n 2 - -

PM 28xx/_ _ n Country version

1 Universal Euro 220 V/16 A, 50 Hz
3 Standard North American 120 V/15 A, 60 Hz
4 UK 240 V/13 A, 50 Hz
5 Switzerland 220 V/16 A, 50 Hz
8 Australia 240 V/10 A, 50 Hz

Included with instrument

Operator’s manual and line cord
Rackmount ears for PM 2812, PM 2813, PM 2831, PM2832

Accessories

PM 9280/004 Rack Mount Kit for PM 2811

Front Panel Output Connectors

Available for any power supply in the PM 2800 family and must be ordered factory
installed only. The part number of each power supply ordered with front panel
outputs is as follows: PM 28xx/x5x

Example
PM 2813/053 Triple Output, 30 V /10 A /60 W with front panel connectors,

US version.