Downloads
Brochures
Here you find brochures for the H&H series devices and the main catalog including all series devices.
Manuals
Here you find user manuals in German and English for the current H&H Series electronic loads.
The user manuals provided here are only valid for devices with up-to-date hardware and firmware release. If you need a user manual for a used device ask the H&H support support@hoecherl-hackl.com to provide a manual corresponding to your device (provide serial number).
Software/Drivers
Here you find all current H&H software and drivers.
TRL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software Tool for control of PLI (up from FW 4.3.0), PLI-MR (up from FW 1.0.0), ERI (up from FW 2.0.0), TRL (up from FW 1.0.0) and SCL (up from FW 1.0.0) loads.
Firmware
SCL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software Tool for control of PLI (up from FW 4.3.0), PLI-MR (up from FW 1.0.0), ERI (up from FW 2.0.0), TRL (up from FW 1.0.0) and SCL (up from FW 1.0.0) loads.
Firmware
QL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software tool for control of QL series source-sinks with firmware revision up from 1.1.0
Firmware
ACL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software tool for control of ACL loads with firmware revision up from 1.2.x
Firmware
ERI Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software Tool for control of PLI (up from FW 4.3.0), PLI-MR (up from FW 1.0.0), ERI (up from FW 2.0.0), TRL (up from FW 1.0.0) and SCL (up from FW 1.0.0) loads.
- Software tool to control ERI series loads up from firmware revision 1.0.x
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
Firmware
PL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Battery testing with PL series in constant current mode with cut-off criteria time, voltage, capacity. Storage of measurements, display of V and I curves.
- Acquisition, display and storage of current limitation curves in constant resistance mode with PL series
- Control of PL loads with module for programming waveforms and modulation, storage and display of measurements
- Software tool for transmitting single commands via GPIB/RS-232
PLA Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Release notes PLA software tool
- Software tool for control of PLA loads with firmware revision up from 2.1.x
- Software tool for control of PLA loads with firmware revision up from 2.0.x
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
Firmware
PLI Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Software Tool for control of PLI (up from FW 4.3.0), PLI-MR (up from FW 1.0.0), ERI (up from FW 2.0.0), TRL (up from FW 1.0.0) and SCL (up from FW 1.0.0) loads.
- Release notes PLI software tool
- Software tool (old revision) to control PLI loads with firmware revision from AI2.6 DI2.5 UI2.5 to AI2.6 DI2.6 UI2.6
- Software tool (old revision) to control PLI loads with firmware revision from AI2.7 DI2.7 UI2.7 to AI2.9 DI2.9 UI2.9
- Software tool to control PLI loads with firmware revision up from AI3.7 DI3.3 UI3.4 (PLI-MR devices are currently not supported)
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
Firmware
PMLI Series
Drivers
Tools
- Software tool to control PMLI series loads
- Test and automation tool for PMLI series loads
- Software tool for transmitting single commands via GPIB/RS-232
PMLA Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
Tools
- Release Notes PMLA Tool
- Software tool to control PMLA loads
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
Firmware
ZS Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
- Old USB driver. Please read FAQ (USB: Virtual COM Port not visible at WIN7) first.
Tools
- Control software for ZS, ZSLV, ZSLC and ZSAC series
- Software tool for transmitting single commands via GPIB/RS-232
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
ZSAC Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
- Old USB driver. Please read FAQ (USB: Virtual COM Port not visible at WIN7) first.
Tools
- Control software for ZS, ZSLV, ZSLC and ZSAC series
- Software tool for transmitting single commands via GPIB/RS-232
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
NL Series
Drivers
- Virtual COM port (VCP) Driver from FTDI.
- Old USB driver. Please read FAQ (USB: Virtual COM Port not visible at WIN7) first.
Tools
- Control software for NL series
- Software tool for transmitting single commands via GPIB/RS-232
- Release Notes Load Terminal
- Software tool for transmission of single commands via GPIB/RS-232/Ethernet/CAN
3D Models
Here you can download 3D models in STEP format or as a PDF file. The ZIP file always contains the STEP file and the PDF file.
For 3D viewing of a PDF file you can use for example Acrobat Reader DC from Adobe. For this purpose, 3D content must be activated in the Reader program:
Menu Edit - > Preferences - > 3D & Multimedia - > Set the checkbox "Enable playing 3D content"
QL Series
SCL Series
TRL Series
PLA Series
PMLA Series
PMLI Series
PLI Series
ERI Series
ACL Series
SE Series
Applications
H&H Application Notes
- Short information about H&H's electronic loads pallette
- Applications using QL scan & temperature board
- Zone controller & e-fuse testing
- Electrochemical impedance spectroscopy
- Range switching with multi-range loads
- LAN communication with H&H devices
- Connecting several PLI series loads in parallel with master-slave connection
- Testing chargers with Charger Starter Interface for PLI series loads
- Group addressing and trigger model with PMLA multi-channel loads
- Realization of a CSV load profile
- PLI series - programmable load profile, trigger system and its capabilities
- Energy storage test and internal resistance measurement with PLI series electronic loads
- MPP tracking with ZS series electronic loads
- Simple battery simulation with a PLI electronic load and a power supply
- Simulation of non-linear AC loads with ACL electronic loads
- Applying input voltage and PWM operation
- Loading an AC voltage with a DC load
- Measuring the characteristics of solar panels
- Superimposition of AC current
- Simulation of exponential inrush current
- Loading of low input voltages with an external auxiliary power supply
- Source-Sink with power supply and H&H PLI electronic load
Customer Applications
- Testing of a Low-Voltage Accumulator for an Electric Racecar
- Testing Inductive Charging Systems
- Testing and Optimizing Fuel Cell Stacks
- Testing Welding Power Sources
- Increasing accuracy for state of charge determination
- Test of high-voltage batteries for electrical racing cars
- High Power Test Setup for EMobility Components
- Solar balancing technic at solar car TU Twente, The Netherlands / Solar Team Twente
- Test of Lithium-Ion-Polymer cells for high-speed drivers TU Munich / WARR Hyperloop
- Development of drive batteries for electrical racing cars Kaiserslautern Racing Team (KaRaT)
- Load Tests at LiPo and LiFePO4 cells TU Darmstadt
- Battery emulation TU Munich
- Formula Student DHBW Stuttgart
- Lightweight superstart Battery Akkuservice Niederrhein
- Project "eCARus" electrically driven vehicle TU Munich
- Testing LiPo accumulators FMT Fachzeitschrift für Technik und Handwerk
- Solar panel analysis TU Delft
- Test stand in the fuel cell and hydrogen laboratory Hochschule Darmstadt
- Measurement of purposes and acquisition of photovoltaic modules characteristics BEC-Engineering GmbH
- Fuel cell testing University Rhein-Main
- Safety tests for cleaning systems Kärcher Kärcher
- Test of LiPo batteries Elektromodellflug Giese
- "OSCAR" Open Source Car battery testing Akasol e.V.
Comparison H&H Loads
Our comparisons support you in the selection of a new electronic DC load and in the conversion of an existing system to an H&H load of a new series.