Dewetron PUREC Product manual

TECHNICAL REFERENCE MANUAL
WELCOME TO
THE WORLD OF
DEWETRON!
Congratulations on your new device! It
will supply you with accurate, complete
and reproducible measurement results
for your decision making.
Look forward to the easy handling and
the flexible and modular use of your
DEWETRON product and draw upon
more than 30 years of DEWETRON
expertise in measurement engineering.
ISO9001
EN ISO 14001
THE MEASURABLE DIFFERENCE.
PU REC
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Copyright © DEWETRON GmbH
This document contains informaon which is protected by copyright. All rights are reserved. Reproducon,
adaptaon, or translaon without prior wrien permission is prohibited, except as allowed under the copyright
laws.
All trademarks and registered trademarks are acknowledged to be the property of their owners.

3
450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
PREFACE
Thank you!
Thank you very much for your investment in DEWETRON's unique data acquisition systems. These are top-quality
instruments which are designed to provide you years of reliable service. This guide has been prepared to help you
get the most from your investment, starting from the day you take it out of the box, and extending for years into the
future.
This guide includes important startup notes, as well as safety notes and information about keeping your DEWETRON
system in good working condition over time.
We strongly suggest that you read this entire manual, especially the safety and care sections, as well as to avoid
damaging your DEWETRON system.
What is PU[REC]?
PU[REC] stands for PURE RECORDING and is your portable and reliable data acquisition system for field tests,
troubleshooting and maintenance in various application areas. The 16 available analog input channels support +/- 10 V
directly and with the use of one (or more) of the nine available types of Modular Smart Interfaces (MSI) in front of the
analog input, you can acquire almost any signal. The option of adding quasi-static channel expansion modules to the
PU[REC] provides additional measurement inputs for voltage, current, temperature or resistance.

4
PREFACE
Notes

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
TABLE OF CONTENT
Content
General Informaon, Safety Instrucons 7
Training ……………………………………………………………………………………………………………………………… 7
Calibraon ………………………………………………………………………………………………………………………… 7
Support ……………………………………………………………………………………………………………………………… 7
Service/Repair Policy…………………………………………………………………………………………………………… 7
Warranty Informaon ………………………………………………………………………………………………………… 8
Prinng History …………………………………………………………………………………………………………………… 8
Safety convenons ……………………………………………………………………………………………………………… 9
General safety and hazard warnings for all DEWETRON systems ………………………………………… 10
Maintenance ……………………………………………………………………………………………………………………… 13
Service interval:………………………………………………………………………………………………………………………………………… 13
Cleaning:…………………………………………………………………………………………………………………………………………………… 13
Windows updates and anvirus/security soware ……………………………………………………………… 14
Problemac network stacks………………………………………………………………………………………………… 14
Environmental Consideraons …………………………………………………………………………………………… 14
System specicaons ………………………………………………………………………………………………………… 15
Main System 19
PU[REC] at a glance …………………………………………………………………………………………………………… 19
Block diagram……………………………………………………………………………………………………………………… 23
Signal connecon ……………………………………………………………………………………………………………… 25
Direct voltage input ………………………………………………………………………………………………………………………………… 25
Signal connecon via MSI (Modular Smart Interface) ………………………………………………………… 26
General MSI funconality ………………………………………………………………………………………………………………………… 26
Voltage (<50 V) via MSI-BR-V-200……………………………………………………………………………………………………………… 27
High voltage via MSI2-V-600……………………………………………………………………………………………………………………… 28
Strain gauge measurement via MSI2-STG ………………………………………………………………………………………………… 29
IEPE® via MSI-BR-ACC ……………………………………………………………………………………………………………………………… 33
Charge via MSI2-CH-x ……………………………………………………………………………………………………………………………… 34
Thermocouple via MSI2-TH-x …………………………………………………………………………………………………………………… 35
RTD via MSI-BR-RTD ………………………………………………………………………………………………………………………………… 37
LVDT via MSI2-LVDT ………………………………………………………………………………………………………………………………… 39
4 to 20 mA sensor via MSI2-LA-250R-20mA ……………………………………………………………………………………………… 41
Operang with the Touchscreen ………………………………………………………………………………………… 42
Touchscreen gestures ……………………………………………………………………………………………………………………………… 42
OXYGEN quickstart guide …………………………………………………………………………………………………… 43
Starng OXYGEN ……………………………………………………………………………………………………………………………………… 43
Changing channel sengs ………………………………………………………………………………………………………………………… 45
Design the measurement screen ……………………………………………………………………………………………………………… 45
Record ……………………………………………………………………………………………………………………………………………………… 46
Open Datale and Export ………………………………………………………………………………………………………………………… 47

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TABLE OF CONTENT
Synchronizaon opons ……………………………………………………………………………………………………… 48
Synchronizaon via SYNC-BUS ………………………………………………………………………………………………………………… 48
Data transfer (independent from synchronizaon) …………………………………………………………………………………… 48
Cooling consideraons………………………………………………………………………………………………………… 49
Dimensions ………………………………………………………………………………………………………………………… 50
Maintenance ……………………………………………………………………………………………………………………… 51
Maintenance intervals ……………………………………………………………………………………………………………………………… 51
Removing the intake vent and cleaning the lter pad ……………………………………………………………………………… 51
Leer of volality ……………………………………………………………………………………………………………… 52
Volale memory ……………………………………………………………………………………………………………………………………… 52
Non-volale memory………………………………………………………………………………………………………………………………… 52
Descripon of voltage specicaons 53
Input ranges ……………………………………………………………………………………………………………………… 53
Rated input according to IEC/EN 61010-2-30 ……………………………………………………………………… 53
Common mode voltage ……………………………………………………………………………………………………… 54
Overvoltage protecon ……………………………………………………………………………………………………… 54
Max. DC voltage @AC coupling …………………………………………………………………………………………… 55
Bus pin fault protecon ……………………………………………………………………………………………………… 55
CE-Cercate of conformity C1

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
Training
DEWETRON offers training at various offices around the world several times each year. DEWETRON headquaters
in Austria have a very large and professional conference and seminar center, where training classes are conducted
on a regular basis starting with sensors and signal conditioning, A/D technology and software operation. For more
information about training services, please visit:
http://www.dewetron.com/services/dewetron-academy/
Dewetron Inc. in the USA also has a dedicated training facility connected to its headquarters, located in Rhode Island.
For more information about training services in the US, please visit:
http://www.dewetron.us/service-support/system-training-usa/
Calibration
Every instrument needs to be calibrated at regular intervals. The standard norm across nearly every industry is
annual calibration. Before your DEWETRON data acquisition system is delivered, it is calibrated at our DEWETRON
headquater. Each of this system is delivered with a certificate of compliance with our published specifications.
Detailed calibration reports from our calibration system are available for purchase with each order. We retain them
for at least one year, so calibration reports can be purchased for up to one year after your system was delivered.
Support
DEWETRON has a team of people ready to assist you if you have any questions or any technical difficulties regarding
the system. For any support please contact your local distributor first or DEWETRON directly.
For Asia and Europe, please contact: For the Americas, please contact:
DEWETRON GmbH DEWETRON, Inc. (HQ USA)
Parkring 4 2850 South County Trail, Unit 1
8074 Grambach East Greenwich, RI 02818
AUSTRIA U.S.A.
Tel.: [phone] Tel.: [phone]
Fax: [phone] Toll-free: [phone]
Email: [email protected] Fax: [phone]
Web: http://www.dewetron.com Email: [email protected]
Web: http://www.dewetron.us
The telephone hotline is available The telephone hotline is available
Monday to Friday between Monday to Friday between
08:00 and 17:00 CET (GMT +1:00) 08:00 and 4:30 EST
Service/Repair Policy
We are very sorry that your DEWETRON system is not operating properly. Our team is here to ensure that your
DEWETRON product is returned to peak performance as quickly as possible.
Please help us to help you by following the RMA policy.
Some problems can be solved remotely by our support team. To facilitate a quicker resolution to the problem
and save unnecessary shipping costs, we ask you to first have your problem investigated by our technical support
before sending your product. Contact details for our support can be found on our website. Please describe the error
accurately and with as much detail as possible. This helps expedite the repair process.
If a repair is necessary, please complete our online RMA form. You will then receive an RMA (Return Material
Authorization) number and detailed instructions that identify where to ship the damaged product.
Please note: Products arriving at our repair department without RMA require follow-up calls and investigation, which
lead to longer turnaround. Only the team of DEWETRON is allowed to perform any kinds of repairs to your system to
assure a safe and proper operation in future.
Any spare parts (screws, backplanes, cables,...) must be obtained from DEWETRON only.
SERVICES
General Information, Safety Instructions
!

8
The information contained in this document is subject to change without notice.
DEWETRON GmbH (DEWETRON) shall not be liable for any errors contained in this document. DEWETRON MAKES
NO WARRANTIES OF ANY KIND WITH REGARD TO THIS DOCUMENT, WHETHER EXPRESS OR IMPLIED. DEWETRON
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. DEWETRON shall not be liable for any direct, indirect, special, incidental, or consequential damages,
whether based on contract, tort, or any other legal theory, in connection with the furnishing of this document or the
use of the information in this document.
Warranty Information
A copy of the specific warranty terms applicable to your DEWETRON product and replacement parts can be obtained
from your local sales and service office.
Restricted Rights Legend
Use austrian law for duplication or disclosure.
DEWETRON GmbH
Parkring 4
A-8074 Grambach / Austria
TRION™ is a trademark of DEWETRON GmbH.
Any other trademarks and registered trademarks are acknowledged to be the property of their owners.
Printing History
Please refer to the page bottom for printing version.
Copyright © DEWETRON GmbH.
This document contains information which is protected by copyright. All rights are reserved. Reproduction,
adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.
NOTICE

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
Safety conventions
Observe precautions for handling electrostatic sensitive devices!
!
This icon denotes a caution, which advises you of precautions to take to avoid injury, data
loss, or a system crash. When this symbol is marked on the product, refer to the technical
reference manual.
Indicates hazardous voltages.
Indicates the chassis terminal
WARNING Calls attention to a procedure, practice, or condition that could cause bodily
injury or death.
CAUTION Calls attention to a procedure, practice, or condition that could possibly cause
damage to equipment or permanent loss of data.
WARNINGS
The following general safety precautions must be observed during all phases of operation, service, and
repair of this product. Failure to comply with these precautions or with specic warnings elsewhere in this
manual violates safety standards of design, manufacture, and intended use of the product. DEWETRON
GmbH assumes no liability for the customer’s failure to comply with these requirements.
SAFETY CONVENTIONS

10
SAFETY INSTRUCTIONS
Your safety is our primary concern! Please be safe!
> Use this system under the terms of the specifications only to avoid any possible danger. If the unit is used
in a manner not specified by the manufacturer the protection can be impaired!
> Ths product is intended for use in industrial locations. As a result, this product may cause interference
if used in residential areas. Such use must be avoided unless the user takes special measures to reduce
electromagnetic emissions to prevent interferences to the reception of radio and television broadcasts.
> Maintenance will be executed by qualified staff only.
> During the use of the system, it might be possible to access another parts of a more comprehensive
system. Please read and follow the safety instructions provided in the manuals of all other components
regarding warning and security advices for using the system.
> With this product, only use the power cable delivered or defined for the host country.
> DO NOT connect or disconnect sensors, probes or test leads, as these parts are connected to a voltage
supply unit.
> The system is grounded via a protective conductor in the power supply cord. To avoid electric shocks,
the protective conductor has to be connected with the ground of the power network. Before connecting the input
or output connectors of the system, make sure that there is a proper grounding to guarantee
potential free usage. For countries, in which there is no proper grounding, please refere to your local
legally safety regulations for safety use.
DC systems: Every DC system has a grounding connected to the chassis (yellow/green safety banana
plug).
> Please note the characteristics and indicators on the system to avoid fire or electric shocks. Before
connecting the system, please carefully read the corresponding specifications in the product manual.
> The inputs are not, unless otherwise noted (CATx identification), for connecting to the main circuits of
category II, III and IV. The measurement category can be adjusted depending on module configuration.
> The power cord separates the system from the power supply. Do not block the power cord, since it has to
be accessible for the users.
> Supply overvoltage category is II.
> DO NOT use the system if equipment covers or shields are removed.
> If you assume the system is damaged, get it examined by authorised personnel only.
> Any use in wet rooms, outdoors or in adverse environmental condition is not allowed!
Adverse environmental conditions are:
> Moisture or high humidity
> Dust, flammable gases, fumes or dissolver
> Thunderstorm or thunderstorm conditions (except assembly PNA)
> Electrostatic fields, et cetera.
> Any direct voltage output is protected with a fuse against short cut and reverse-polarity, but is NOT
galvanically isolated (except it is explicit marked on the system).
> The system must be connected and operated to an earthed wall socket at the AC mains power supply
only (except for DC systems).
> Any other use than described above may damage your system and is attended with dangers like shortcut,
fire or electric shocks.
!
General safety and hazard warnings for all DEWETRON systems

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
> The whole system must not be changed, rebuilt or opened (except for changing TRION™ modules).
> If you assume a more riskless use is not provided anymore, the system has to be rendered inoperative
and should be protected against inadvertent operation. It is assumed that a more riskless operation is not
possible anymore, if
> the system is damaged obviously or causes strange noises.
> the system does not work anymore.
> the system has been exposed to long storage in adverse environmental.
> the system has been exposed to heavy shipment strain.
> DO NOT touch any exposed connectors or components if they are live wired. The use of metal bare wires
is not allowed. There is a risk of short cut and fire hazard!
> Warranty void if damages caused by disregarding this manual. For consequential damages NO liability
will be assumed!
> Warranty void if damages to property or persons caused by improper use or disregarding the safety
instructions.
> Unauthorized changing or rebuilding the system is prohibited due to safety and permission reasons (CE).
Exception: changing DAQP/PAD/HSI/TRION™/TRION3™ modules.
> The assembly of the system is equivalent to protection class I. For power supply, only the correct power
socket of the public power supply must be used, except the system is DC powered.
> Be careful with voltages >25 VAC or >35 VDC! These voltages are already high enough in order to get a
perilous electric shock by touching the wiring.
> Unless otherwise stated, maximum input voltage for measuring cards are 70 VDC and 46.7 VPEAK.
> The product heats during operation. Make sure there is adequate ventilation. Ventilation slots must not
covered!
> Only fuses of the specified type and nominal current may be used. The use of patched fuses is
prohibited.
> Prevent using metal bare wires! Risk of short cut and fire hazard!
> DO NOT use the system before, during or shortly after a thunderstorm (risk of lightning and high energy
overvoltage). An advanced range of application under certain conditions is allowed with therefore
designed products only. For details please refer to the specifications.
> Make sure that your hands, shoes, clothes, the floor, the system or measuring leads, integrated curcuits
and so on, are dry.
> DO NOT use the system in rooms with flammable gases, fumes or dust or in adverse environmental
conditions.
> Avoid operation in the immediate vicinity of:
> high magnetic or electromagnetic fields
> transmitting antennas or high-frequency generators
For exact values please refere to enclosed specifications.
> Use measurement leads or measurement accessories aligned to the specification of the system only. Fire
hazard in case of overload!
> Do not switch on the system after transporting it from a cold into a warm room and vice versa. The
thereby created condensation may damage your system. Acclimatise the system unpowered to room
temperature.
> Do not disassemble the system! There is a high risk of getting a perilous electric shock. Capacitors still
might charged, even the system has been removed from the power supply.
SAFETY INSTRUCTIONS

12
> Direct exposure of any DEWETRON product to strong sunlight or other heat radiation shall be prevented,
as this could excessively heat up the product and lead to permanent damage of the product.
> The electrical installations and equipments in industrial facilities must be observed by the security
regulations and insurance institutions.
> The use of the measuring system in schools and other training facilities must be observerd by skilled
personnel.
> The measuring systems are not designed for use at humans and animals.
> Please contact a professional if you have doubts about the method of operation, safety or the connection
of the system.
> Please be careful with the product. Shocks, hits and dropping it from already lower level may damage
your system. For exact values please refere to enclosed specifications.
> Please also consider the detailed technical reference manual as well as the security advices of the
connected systems.
This product has left the factory in safety-related flawless and proper condition.
In order to maintain this condition and guarantee safety use, the user has to consider the security advices and
warnings in this manual.
EN 61326-3-1:2008
IEC 61326-1 applies to this part of IEC 61326 but is limited to systems and equipment for industrial applications
intended to perform safety functions as defined in IEC 61508 with SIL 1-3.
The electromagnetic environments encompassed by this product family standard are industrial, both indoor
and outdoor, as described for industrial locations in IEC 61000-6-2 or defined in 3.7 of IEC 61326-1. Equipment
and systems intended for use in other electromagnetic environments, for example, in the process industry or in
environments with potentially explosive atmospheres, are excluded from the scope of this product family standard,
IEC 61326-3-1.
Devices and systems according to IEC 61508 or IEC 61511 which are considered as “operationally well-tried”, are
excluded from the scope of IEC 61326-3-1.
Fire-alarm and safety-alarm systems, intended for protection of buildings, are excluded from the scope of IEC 61326-
3-1.
SAFETY INSTRUCTIONS

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
MAINTENANCE
Maintenance
The information in this section is designed for use by qualified service personal.
Service interval:
Clean dust from the chassis exterior/interior and exchange filter foam based on the operating environment.
Cleaning:
Clean surface of the chassis with dry lintfree cloth.
Use a dry velocity stream of air to clean the chassis interior.
> Disconnect all cables before servicing the unit!
> Many components within the chassis are sensitive to static discharge damage. Always wear a
ground wrist strap and service the unit only in static-free environment.
> Do not use harsh chemical cleaning agents!
!

14
GENERAL INFORMATION
CAUTION
> The system BIOS is protected by password. Any change in the BIOS may cause a system crash. When the system
is booting, do not press ESC-button on keyboard. This may clear the BIOS settings and cause system faults.
> Any change in the file structure as deleting or adding files or directories might cause a system crash.
> Before installing software updates contact DEWETRON or your local distributor. Use only software packages
which are released by DEWETRON. Further informations are also available in the internet (http://www.
dewetron.com).
> After power off the system wait at least 10 seconds before switching the system on again. Otherwise the
system may not boot correct. This prolongs also the life of all system components.
Windows updates and antivirus/security software
Before installing Windows software updates consult with DEWETRON for compatibility guidance. Please also keep in
mind that the use of any antivirus or other security software may slow down your system and may cause data loss.
Problematic network stacks
Often intrusive IT software or network processes can interfere with the primary function of the DEWETRON system: to
record data. Therefore we recommend strongly against the installation of IT/MIS software and running their processes
on any DEWETRON data acquisition system, and cannot guarantee the performance of our systems if they are so
configured.
Environmental Considerations
Information about the environmental impact of the product.
Product End-of-Life Handling
Observe the following guidelines when recycling a DEWETRON system:
System and Components Recycling
Production of these components required the extraction and use of natural resources. The substances
contained in the system could be harmful to your health and to the environment if the system is improperly
handled at it's end of life! Please recycle this product in an appropriate way to avoid an unnecessary pollution of the
environment and to keep natural resources.
This symbol indicates that this system complies with the European Union’s requirements according to Directive
2012/19/EU on waste electrical and electronic equipment (WEEE). Please find further information about recycling on
the DEWETRON website
www.dewetron.com
Restriction of Hazardous Substances
This product has been classified as Monitoring and Control equipment, and is outside the scope of the 2011/65/EU
RoHS Directive. This product is known to contain lead.

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MAIN SYSTEM
System specifications
PU[REC] - portable data recorder
> 16 analog input channels
(expandable to any signal input via Modular Smart Interfaces)
> Quasi-static channel expansion via EPAD2
> Available with 50 kS/s or 200 kS/s (optional) sampling rate
> 15.6” multi-touch display
> Rugged and portable housing for easy transportation
PU[REC]
Configuration
Sampling rate / resolution PUREC-50: 50 kS/s per channel 16-bit
PUREC-200: 50 kS/s to 200 kS/s 18-bit
100 S/s to 50 kS/s 24-bit
Digital input 2x counter shared with 8x digital inputs; 4x digital outputs
CAN bus 1x highspeed CAN 2.0 (ordering option PUREC-OPT-CAN )
Quasi-static channel expansion EPAD2 interface connector
Expansion SYNC-BUS (requires ordering option OXY-OPT-NET)
Main system
Display 15.6“ multi-touch TFT (full HD 1920 x 1080)
Additional Connectors 2x Display Port; 1x HDMI; Audio interface (3x 3.5mm connectors)
4x USB 3.0; 2x Gbit LAN;
Operating system Microsoft Windows 10 64-bit; (optional Linux OS)
Data Storage 1 TB SSD in a removeable drive bay (870 GB useable for data storing)
up to 7 days of recording all channels at 50 kS/s or 300 days at 1 kS/s
MTBF 27800 hours
Noise emission system idle 38 dBA
CPU max. heat; max. fan: 45 dBA
Dimensions (W x D x H) 463 x 129 x 318 mm (18.2 x 5.1 x 12.5 in.)
Weight 7.3 kg (16.1 lb.)
Power supply
Rated input voltage 100 to 240 VAC (max 90 to 264 VAC), active PFC
Input frequency 47 to 63 Hz
Maximal input current 2 A (230 VAC) / 4 A (115 VAC)
Inrush current 80 A (264 VAC)
Power consumption max. 300 W; typical 65W (fully equipped with MSI, recording data)
Environmental specifications
Operating temperature 0 to +50 °C, down to -20 °C with prewarmed unit
Storage temperature -20 to +70 °C
Humidity 10 to 80 % non cond., 5 to 95 % rel. humidity
Max. altitude 2000 m (6561 ft)
Sine vibration (EN 60068-2-6:2008)
Acceleration: 20 m/s²
Frequency range: 10 Hz - 150 Hz
Sweep: 1 oct/min
20 cycles
Shock (EN 60028-2-27:2009)
Acceleration: 15 g
Duration: 11 ms
Pulse form half sine
3 pumps/direction
6 directions
Random vibration (EN IEC 60721-3-2:2018)
Class 2M4
Spectral acceleration density: 1 m²/s³
Frequency range: 10 Hz-200 Hz
Duration: 30 min/direction
continued on next page ...

1616
MAIN SYSTEM
Input types
Input Sensor excitation Bandwidth (max.)
consider limit of PU[REC]
Accuracy (typ.) Sensor connection
Direct voltage input ±10 V; ±5 V ±5 V; 12 V DC to 70 kHz 0.02 % D-SUB-9
MSI2-250R-20mA1) 4 to 20 mA sensors n/a DC to 70 kHz ±0.1 % Miniature spring
terminals
MSI2-STG1)
Bridge-type sensors
full-bridge, half-bridge,
quarter-bridge 120 Ωand 350 Ω
5 V and 10 V 60 kHz ±0.1 % Miniature spring
terminals
MSI2-LVDT1) LVDT and RVDT sensors,
5- or 6-wire connection
3 V
at 2.5, 5 or 18 kHz 1 kHz ±0.1 % Soldering pads
MSI-BR-ACC1) IEPE® sensors,
typ. accelerometer, microphone 4 mA 1.4 Hz to 70 kHz ±0.2 % BNC
MSI2-CH-x1) Charge type sensors
up to 100 000 pC n/a 0.08 Hz to 70 kHz ±0.5 % BNC
MSI2-TH-x1)
Thermocouple sensors
standard models for type K, J, T,
others on request
n/a DC to 70 kHz ±1 °C Mini TC socket
MSI-BR-V-2001) Voltage up to 200 V n/a DC to 60 kHz ±0.1 % BNC
MSI2-V-6001) Voltage up to 600 V n/a DC to 60 kHz ±0.1 % Banana sockets
MSI-BR-RTD1)
RTD sensors
Pt100, Pt200, Pt500, Pt1000,
Pt2000; 2-, 3- and 4-wire connection
1.25 mA DC to 10 kHz ±0.1 % Binder 712 series
5-pin socket
1) MSIs are automatically detected
continued from previous page ...
V
200
V
600
Direct voltage input specification
Input connector 16x 9-pin female D-SUB
Input ranges ±10 V; ±5V
Sensor excitation ±5 V Accuracy: ±0.2 %; balanced around GND; remote sense support max. 40 mA per channel
Protection: Continuous short to GND; short circuit limit is 70 mA
12V Accuracy: ±5 %; max. 1 A in total for all channels, including EPAD2 supply
Protection: Self resetting fuse."
Input noise 0 to 10 Hz: 10 µVPP
full bandwidth: 1.35 mVPP
Input impedance 1 MΩsingle ended, 2 MΩdifferential
Input bias current <25 pA
Input coupling DC
Accuracy1) Voltage DC to 1 kHz ±0.02 % of reading ± 0.01 % of range ±20 µV
>1 kHz to 5 kHz ±0.5 % of reading ± 0.01 % of range ±20 µV
>5 kHz to 10 kHz2) ±1 % of reading ± 0.01 % of range ±20 µV
Gain drift typical 10 ppm/°C max. 20 ppm/°C
Offset drift typical 0.3 µV/°C + 10 ppm of range/°C, max 15 µV/°C + 20 ppm of range/°C
Typical Signal-to-noise ratio, Spurious- 10 V range
free SNR, Effective number of Bits, VPP2) SNR SFDR3) ENOB4) Noise peak to peak
Sample rate [dB] [dB] [Bit] [mVPP]
0.1 kS/s 127 130 20.8 0.015
1 kS/s 118 130 19.3 0.055
10 kS/s 109 130 17.8 0.22
20 kS/s 106 130 17.3 0.33
50 kS/s2) 1022) 1302) 16.7 0.52
100 kS/s2) 992) 1302) 16.2 0.66
200 kS/s2) 962) 1252) 15.7 1.00
Linearity <20 ppm
Input configuration differential
Typical THD -95 dB
continued on next page ...

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MAIN SYSTEM
Typical CMRR in differential mode 100 dB @ 50 Hz; >70 dB @ 1 kHz
Low pass Filter (-3 dB, IIR) 1 Hz to 40 % of sample rate freely programmable or OFF
Characteristic Bessel or Butterworth
Filter order 2nd , 4th, 6th, 8th
Analog antialiasing filter 3rd order Butterworth
Bandwidth (-3 dB, deactivated IIR filter) 70 kHz 3rd order Butterworth filter
Crosstalk fin 1 kHz [10 kHz] >108 dB
Channel to channel phase mismatch typically <30 nsec when using the same input range
Common mode voltage ±12.5 VDC
Overvoltage protection (IN+, IN-, Sense) ±50 VDC
Digital IN specification
Digital Input 8 CMOS/TTL compatible digital inputs; weak pullup via 100 kΩ
Overvoltage protection ±30 V, 50 VPK (for 100 ms)
Counter 2 counter channels; TTL input; shared with digital inputs
Counter modes
Event counting Basic event counting, gated counting, up/down counting and encoder mode (X1, X2 and X4)
Waveform timing Period, frequency, pulse width duty cycle and edge separation
Sensor modes Encoder (angle and linear)
Digital OUT specification
Digital output 4 DO; TTL
Output indication LED (green = high; off = low)
Maximium current 25 mA continuously
Power-on default Low
Interfaces
CAN bus 1 CAN Bus; not isolated
CAN specification CAN 2.0B
CAN Physical Layer High Speed
Bus pin fault protection ±36 V
Termination Programmable: High impedance or 120 Ω
1) 1 year accuracy 23 °C ±5 °C
2) LP Filter in auto mode
3) SFDR excluding harmonics
4) ENOB calculated from SNR
continued from previous page ...

1818
MAIN SYSTEM
Notes

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450182 • PU[REC] • Technical Reference Manual • Prinng version 1.0.0 • November 2nd, 2020
MAIN SYSTEM
Main System
PU[REC] at a glance
Note: The amount and location of the connectors might vary from system to system and depends on system
configuration
1 Power supply input connector
2 Power on/off push button
3 Dual LAN GBit connectors
4 Audio interface
5 2x Display port, 1x HDMI
6 4x USB 3.1 GEN2
7 SSD drive bay
8 15.6" multi-touch display
9 Fold-out stand
10 Intake vent and filter pad
11 SYNC-BUS
12 Digital Input & Output connector
13 CAN connector (optional)
14 16x analog input
15 EPAD2 interface connector
16 Chassis terminal

2020
MAIN SYSTEM
1 Power supply input connector
2 Power on/off push button
The power on/off push button at the front of the system is used to switch on the system.
3 2x GBit Ethernet connector
The PU[REC] supports 10/100/1000 Dual LAN with standard RJ45 connectors.
4 Audio I/O interface
Line In / Line Out / Microphone.
5 2x Display port, 1x HDMI
The PU[REC] supports a maximum of 3 screens at the same time.
6 4x USB3.1 interface connectors
The USB3.1 Gen 2 interface connectors meet standard USB pin assignment.
7 SSD drive bay
Ejecting SSD:
1 Shut down the device and wait until it is switched off (green LED goes off)
2 If the drive is locked unlock it with the supplied keys
3 Press the drive tray ejection button
4 Push the cover of the tray to the side until it is detached from the bay
5 Pull out the tray with the drive
100 to 240 VAC (max. 90 to 264 VAC)
47 to 63 Hz
300 W
VOLTAGE
FREQUENCY
POWER
V
Hz
P
Drive tray ejection button
LED indicator
Security key lock