The Electronic Load Issue 03/2013

The Electronic Load Issue 03/2013
The Electronic Load
Issue 03/2013
The Electronic Load
PL
H&H
Multichannel Loads, PMLI Series
Low Voltage
ZSLC
ZSLV
PMLI
Multi-channel
RS-232
USB
GPIB
X
/
X
LAN
O
System bus
Analog
Analog isolated
X
X
/
X Standard
O Option
/ not available



Configurable multi-channel load




150 W - 300 W - 450 W - 600 W modules
Tailored configurations possible with modules in
3 voltage- and 4 power classes
Voltages 60 V - 120 V - 240 V
Currents from 4.5 A to 80 A
Current, voltage, resistance, power mode
PMLI
electronic
NL
Source-Sink
SCPI programming with measurement function
Full electronic protection
Analog measurement outputs for voltage and current
Analog control input
RS-232 and GPIB interface with software tools
Load Modules
with multiple outputs.
Functions
The modules are available in
The load inputs are galvanically
The following operating modes
three different voltages 60 V,
separated.
are possible:
for load modules.
120 V and 240 V and for cur-
Very simple systems can there-





load modules are available.
Depending on power, a module
rents of 4.5 A to 80 A.
fore be specially configured to
Various loads can be config-
requirements
ured, e.g.:
channel Burn-In equipment.
occupies one (150 W), two (300
1 x 600 W + 1 x 450 W + 2 x
W), three (450 W) or four slots
300 W + 1 x 150 W
Accessories
Application Notes
1,800 W total power
multi-
(600 W).
Software
Dynamic loads
channel load has up to 12 slots
150 W, 300 W, 450 W or 600 W
GTC







Up to 12 channels in 19“ -2HU
Configuration
The
AC
ZSAC
Water-cooled
ZS
Interface overview
The
total
power
with
An adjustable trigger voltage
enables current to flow when
exceeded. Voltage and current
measurement functions are
available.
is max.
1,800 W.
The
loads
can
therefore
be
easily configured to test units
multi-
Current mode 1)
Voltage mode 2)
Resistance mode 2)
Power mode 2)
Dynamic mode with 2
presets
Operating Modes and
Configuration
Max. 3x4 available modules per device
1)
Hardware-controlled with fast control
time
2)
Software-controlled with programmable
control parameters
3)
The modules occupy 1-4 slots depending on power
Modules with 300 W, 450 W and 600 W
can only be inserted in the same column
of slots.
34
E.g 5-channel
3)
set by 0 ... 10 V.
Load Connections
Cooling
The load inputs are connected to
The air supply from the front
jack-in terminal strips. All load
panel to the back panel enables
inputs
the assembly of compact rack
systems with no gaps. The tem-
rated.
Analog
Measurement
Out-
puts, Analog Control Input
perature-controlled
fan
control
provides a pleasant operating
noise.
For each load module, analog
measurement outputs 0 ... 10 V
AC
sepa-
ZSAC
glavanically
NL
are
ZSLC
load current can be additionally
power classes.
Water-cooled
Via an analog control input the
three voltage categories and four
ZSLV
Load modules are available in
PMLI
available.
Multi-channel
Load Modules
Source-Sink
Available Load Modules
Low Voltage
ZS
PL
H&H
The Electronic Load
Devices and Interfaces
are available in the following
versions:
PMLI-M Master
device
with
GPIB + RS-232 interface and
PMLI system bus for connection
of up to 8 slave devices.
Accessories
for voltage and load current are
master device and with an output for a further slave device.
Programming
Programming
SLOT4
takes
place
Empty cooler module
(without load modules) with 4
in
free slots. (1x, 2x or 3x required
SCPI syntax. All channels can be
per device depending on chan-
addressed individually, jointly or
nels).
in groups.
PMLI05
Current LabVIEW® drivers and
Option external LAN-
RS-232 adapter
tools can be downloaded from
GTC
our website.
Software
system bus for operation on a
Application Notes
PMLI-S Slave device with PMLI
www.hoecherl-hackl.com
35
The Electronic Load
H&H
Type Overview
Model
order number
PL
Power
M15-06 M15-12 M15-24 M30-06 M30-12 M30-24 M45-06 M45-12 M45-24
M60-06
M60-12
M60-24
150 W
150 W
150 W
300 W
300 W
300 W
450 W
450 W
450 W
600 W
600 W
600 W
Voltage
60 V
120 V
240 V
60 V
120 V
240 V
60 V
120 V
240 V
60 V
120 V
240 V
Current
20 A
10 A
4.5 A
40 A
20 A
9A
60 A
30 A
13.5 A
80 A
40 A
18 A
1 Slot
1 Slot
1 Slot
2 Slots
2 Slots
2 Slots
3 Slots
3 Slots
3 Slots
4 Slots
4 Slots
4 Slots
ZS
Size
ZSLC
Water-cooled
PMLI Software Tools
TAT Test Automation Tool
PMLI Control Tool
The PMLI Test Automation Tool
The PMLI Control Tool lets you
simulates
control up to 120 channels in 40
control
the
of
timed
several
process
individual
ZSLV
PMLI
Multi-channel
Low Voltage
devices.
PMLI devices.
The tool enables individual chan-
Typical use is to simulate all
nel setting, voltage and current
consumers in a vehicle.
display and measured data re-
Each channel of the PMLI is
cording.
assigned a device with its typical
current
screen
consumption
wiper,
window
(windwinder
etc.).
There
are
10
programmable
timers for each channel. Test
ZSAC
AC
NL
vidually or in loops.
Simulated consumer 1:
On
Accessories
Source-Sink
routines can be carried out indi-
Off
Timer
Timer
1
2
Timer Timer Timer
3
4
5
Timer
Timer
6
7
Timer Timer
8
Timer
9
10
Simulated consumer n:
Off
Timer
Timer
1
2
Timer Timer Timer
3
4
Test cycle start
5
Timer
Timer
Timer
Timer
Timer
6
7
8
9
10
Short test cycle
Repeat of test cycle
Repeat of test cycle
Customer application:
Vehicle simulation 132 channel
GTC
Software
Application Notes
On
36
Pre-calculated test cycle time
The Electronic Load
Input
H&H
PMLI Series
Accuracy of analog control
0 ... 10V for current
See type overview
Input resistance
>50 kΩ when load input is off
Input capacity
Approx. 1 µF / 150 W
Parallel operation
Up to 3 channels can be connected in parallel
Current range
See type overview
Current rise and fall
time 1)
300 µs (10 % ...90 % Inom)
Minimum voltage
Vmin 1.4 V at rated current,
including linear derating of the current
of the setting value
of the corresponding range
±0.25 %
±0.15 %
Current
Input resistance >20 kΩ
GND max. ±2 V with respect to negative load input
PL
Input voltage
Accuracy of analog measurement outputs
0 ... 10 V for current, voltage
of analog signal of
real value
offset voltage
Voltage
±0.5 %
±30 mV
Current
±0.5 %
±30 mV
ZS
Technical Data
SW control with adjustable control parameters
Electrical safety
DIN EN 61010-1
Accuracy depends on accuracy of the measurement
function for voltage and current and the accuracy of
the current setting
EMC, CE marking
DIN
DIN
DIN
DIN
Scope of supply
incl. 19“ mounting bracket, RS-232 cable
Warranty
2 years
Accuracy of setting
of the setting value
of the corresponding range
±0.25 %
±0.15 %
Current
Voltage
Resistance
Power
Trigger voltage
±1 %
±0.15 %
of the measured
value (real value)
of the corresponding range
Voltage
±0.2 %
±0.1 %
Current
±0.25 %
±0.1 %
Resolution of
settings
EN
EN
EN
EN
55011
61326-1
61000-3-2
61000-3-3
12 Bit
Accuracy of measurement
Resolution of
measurements
12 Bit
Sampling rate
300 ms
Order details
Dynamics
PMLI-M
PMLI Master device with GPIB + RS-232 + PMLI
system bus interface
PMLI-S
PMLI Slave device with system bus interface for
connection to Master device and for connection to
2 programmable
currents and times
other Slave devices
SLOT4
Cooler module, empty with 4 slots (depending on
use, 1x, 2x or 3x required per PMLI device)
Mxx-xx
Load module (see type overview, top).
Unless otherwise indicated the modules are mounted in the device in the order specified in the order.
Setting range
10 ms .... 60 s
Accuracy of time
setting
±2 ms
1)
Rise and fall times are defined as 10
% ... 90 % and 90 % ... 10 % of the
PMLI05
maximum current. (current mode
FAST, tolerance ±20 %)
Optional external LAN-RS-232 adapter
Subject to technical modifications
37
ZSLC
RAL7032 (pebble grey)
RAL7037 (stone grey
-1.2 % / °C for TA > 21 °C
Water-cooled
Color:
Front panel
Side panels, top
Derating
ZSLV
Weight
19“- 2 HU, 500 x 88 x 390 mm
(without handles and mounting bracket)
max. 18.3 kg, depending on equipment
Up to TA = 21 °C
PMLI
Dimensions
Rated power
Multi-channel
115/230 V~ ±10 %, 50 ... 60 Hz switchable
Power consumption approx. 90 VA
AC
Supply voltage
Over-current and power protection
Over-voltage protection up to 120 % of rated voltage
Reverse polarity protection with diode up to rated
current
Over-temperature cut-off
Transient protection
ZSAC
69 dBA (measured from a distance of 1m)
available on the Analog I/O Interface
Protective devices
NL
Noise
Sense connections
Source-Sink
2-phase air-cooling, temperature-controlled
Air inlet via the front panel
Air outlet via the back panel for gap-free 19“ rack
installation
Jack-in connections for 4 mm², touch-protected
(several pins have to be connected for currents
greater than 20 A)
Accessories
Cooling
Load connections
Application Notes
5 °C ... 40 °C
Negative load input to case: max. 100 V
Load input to load input: max. 100 V
Software
Operating
temperature
Permissible operating voltages
GTC
Operating conditions
Low Voltage
GND max. ±2 V with respect to negative load input
Minimum load capacity 2kΩ
Distribution:
-
The Electronic Load
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