Sferalabs IPBB20R Manuel utilisateur
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Iono Pi User Guide
June 2020
Revision 012
IPBB20R Iono Pi board
IPMB20R Iono Pi with Raspberry Pi 3 Model B
IPMB20RP Iono Pi with Raspberry Pi 3 Model B+
IPMB20R41 Iono Pi with Raspberry Pi 4 Model B, 1GB
IPMB20R42 Iono Pi with Raspberry Pi 4 Model B, 2GB
IPMB20R44 Iono Pi with Raspberry Pi 4 Model B, 4GB
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Safety information 4
Qualified personnel 4
Hazard levels 4
Safety instructions 5
General safety instructions 5
Battery 5
Introduction 7
Features 8
Usage and connections 9
Device identification 9
Hardware Installation 10
Iono Pi board 10
Iono Pi 10
Replacing the RTC backup battery 10
Terminal blocks 12
Input/Output mapping 14
Power supply 15
Auxiliary voltage outputs 16
AIx: Analog inputs 16
Ox: Relays 17
L1: On-board application LED 17
TTL1: 1-Wire input/output 17
TTLx/DIx: TTL input/output or generic digital inputs 18
OCx/DIx: Open collector outputs or generic digital inputs 20
Real Time Clock 20
ATECC608A secure element 20
Software installation and configuration 22
Installing the Real Time Clock software 22
Testing the Real Time Clock 22
SPI configuration 23
1-Wire configuration 23
GPIO configuration 24
Disabling Bluetooth and WiFi 24
Iono Pi Kernel Module 24
Iono Pi utility 25
Software development 26
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Iono Pi User Guide
Analog inputs notes 26
Thermal considerations for Iono Pi 27
Block diagram 30
Technical specifications 31
Dimensions 33
Disposal 34
Installation and use restrictions 34
Standards and regulations 34
Safety instructions 34
Set-up 34
Conformity Information 35
EU 35
USA 35
CANADA 36
RCM AUSTRALIA / NEW ZEALAND 36
Compliance information for Raspberry Pi 36
EU 36
USA 36
CANADA 36
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Iono Pi User Guide
Be sure to always remove the power supply before connecting or
disconnecting the Iono Pi board to Raspberry Pi.
Follow all applicable electrical safety standards, guidelines,
specifications and regulations for installation, wiring and operations of
Iono Pi.
Carefully and fully read this Iono Pi user guide before installation.
Iono Pi is not authorised for use in safety-critical applications where a failure of the product
would reasonably be expected to cause personal injury or death. Safety-critical
applications include, without limitation, life support devices and systems, equipment or
systems for the operation of nuclear facilities and weapons systems. Iono Pi is neither
designed nor intended for use in critical military or aerospace applications or environments
and for automotive applications or environment. Customer acknowledges and agrees that
any such use of Iono Pi is solely at Customer's risk, and that Customer is solely
responsible for compliance with all legal and regulatory requirements in connection with
such use.
Sfera Labs S.r.l. may make changes to specifications and product descriptions at any time,
without notice. The product information on the web site or materials is subject to change
without notice.
Please download and read the Sfera Labs Terms and Conditions document available at:
http://www.sferalabs.cc
Iono and Sfera Labs are trademarks of Sfera Labs S.r.l. Other brands and names may be
claimed as the property of others.
"
Copyright © 2015-2020 Sfera Labs S.r.l. All rights reserved.
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Iono Pi User Guide
Safety information
Carefully and fully read this user guide before installation and retain it for future reference.
Qualified personnel
The product described in this manual must be operated only by personnel qualified for the
specific task and installation environment, in accordance with all relevant documentation
and safety instructions. A qualified person should be capable of fully identifying all
installation and operation risks and avoid potential hazards when working with this product.
Hazard levels
This manual contains information you must observe to ensure your personal safety and
prevent damage to property. Safety information in this manual are highlighted by the safety
symbols below, graded according to the degree of danger.
Indicates a hazardous situation which, if not avoided, will result in death or serious
personal injury.
Indicates a hazardous situation which, if not avoided, may result in death or serious
personal injury.
Indicates a hazardous situation which, if not avoided, can result in minor or moderate
personal injury.
Indicates a situation which, if not avoided, can result in damage of property.
DANGER
WARNING
CAUTION
NOTICE
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Iono Pi User Guide
Safety instructions
General safety instructions
Protect the unit against moisture, dirt and any kind of damage during transport, storage
and operation. Do not operate the unit outside the specified technical data.
Never open the housing. If not otherwise specified, install in closed housing (e.g.
distribution cabinet). Earth the unit at the terminals provided, if existing, for this purpose.
Do not obstruct cooling of the unit. Keep out of the reach of children.
Life threatening voltages are present within and around an open control cabinet.
When installing this product in a control cabinet or any other areas where dangerous
voltages are present, always switch off the power supply to the cabinet or equipment.
Risk of fire if not installed and operated properly.
Follow all applicable electrical safety standards, guidelines, specifications and regulations
for installation, wiring and operations of this product.
The Raspberry Pi board could generate a substantial amount of heat when the software
forces the CPU and/or GPU to operate at high load levels. Ensure that the product is
properly installed and ventilated to prevent overheat.
The connection of expansion devices to this product may damage the product and other
connected systems, and may violate safety rules and regulations regarding radio
interference and electromagnetic compatibility.
Use only appropriate tools when installing this product. Using excessive force with tools
may damage the product, alter its characteristics or degrade its safety.
Battery
Iono Pi RTC uses a small lithium non-rechargeable battery to power its internal real time
clock (RTC).
WARNING
WARNING
NOTICE
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Iono Pi User Guide
Improper handling of lithium batteries can result in an explosion of the batteries and/or
release of harmful substances.
Worn-out or defective batteries can compromise the function of this product.
Replace the RTC lithium battery before it is completely discharged. The lithium battery
must be replaced only with an identical battery. See the "Replacing the RTC backup
battery" section for instructions.
Do not throw lithium batteries into fire, do not solder on the cell body, do not recharge, do
not open, do not short-circuit, do not reverse polarity, do not heat above 100°C and protect
from direct sunlight, moisture and condensation.
Dispose of used batteries according to local regulations and the battery manufacturer's
instructions.
WARNING
6
Iono Pi User Guide
Introduction
Iono Pi is an extremely versatile I/O module that combines several digital and analog input
lines, support for standard interfaces like 1-Wire and Wiegand and power relay outputs,
typical of modern PLCs, with the powerful ARM processors of the Raspberry Pi Model B
version 2, 3 and 4.
Iono Pi adds other important features that are essential to use the Raspberry Pi for
professional applications, like a robust power supply with wide voltage range (9÷28Vdc)
capable of up to 4.0A output current at 5V to the Raspberry Pi board, a real time clock with
lithium back-up battery and an embedded Microchip ATECC608A secure element chip.
Iono Pi can be used for an incredible range of applications, from data acquisition and
control, to home and building automation, as well as access control, hotel room control
solutions, environmental monitoring and many others. Software development is pure
Raspberry Pi, with the constantly growing list of standard and proprietary software
frameworks available on this platform.
Iono#Pi#can be employed both in industrial and residential environments, for professional
applications where extreme reliability, ruggedness and compliance with technical and
safety directives are required.
While also available as an add-on board, the fully assembled version is packaged in a
compact DIN standard case with omega-rail mounts, and certified to the relevant
standards, ready for use in professional installation.
The information contained in this manual covers all versions, except where explicitly stated
otherwise. The bare board is called “Iono Pi board”, while the assembled unit is simply
“Iono Pi”.
IONO PI WITH RASPBERRY PI 3 MODEL B+
7
Iono Pi User Guide
Features
Iono Pi board:
✓9÷28Vdc power supply, with surge and reverse polarity protection, and 2.2A resettable
fuse
✓up to 4.0A max current to the 5V Raspberry Pi power supply input pins (at 24Vdc)
✓4 power relay outputs rated for 6A at 250V
✓2 analog voltage inputs 0÷30V
✓2 analog voltage inputs 0÷3V on internal pin-headers
✓7 configurable digital input/output pins, for potential-free or voltage inputs, TLL input/
ouptuts and open collector outputs
✓1-Wire and Wiegand support
✓real time clock with replaceable CR1025 Lithium / Manganese Dioxide back-up battery
✓embedded Microchip ATECC608A secure element chip
✓2 on-board LEDs, one for power supply and one controlled by a Pi’s GPIO line
✓power supply and I/O connections on a screw terminal block.
Iono Pi assembled module:
✓pre-assembled and tested Raspberry Pi 3 Model B or B+ or Raspberry Pi 4 Model B
with Iono Pi board, in a standard 4 modules DIN rail case
✓side access to HDMI and 3.5mm jack for audio and composite video
✓access to all USB ports and Ethernet port.
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Iono Pi User Guide
Usage and connections
IONO PI CONNECTION EXAMPLE
Device identification
The device can be identified with the information provided in the rating and identification
plate, permanently attached to the side of the case.
EXAMPLE RATING AND IDENTIFICATION PLATE
9
Iono Pi User Guide
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