Sferalabs Strato Pi Base SPMB30X User Manual
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Strato Pi Base User Guide
July 2021
Revision 026
SPBB30X Strato Pi Base board
SPMB30X Strato Pi Base server with Raspberry Pi 3 Model B
SPMB30XP Strato Pi Base server with Raspberry Pi 3 Model B+
SPMB30X41 Strato Pi Base server with Raspberry Pi 4 Model B 1GB
SPMB30X42 Strato Pi Base server with Raspberry Pi 4 Model B 2GB
SPMB30X44 Strato Pi Base server with Raspberry Pi 4 Model B 4GB
SPMB30X48 Strato Pi Base server with Raspberry Pi 4 Model B 8GB
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Table of Contents
Related Manuals for Sferalabs Strato Pi Base SPMB30X
Summary of Contents for Sferalabs Strato Pi Base SPMB30X
- Page 1 Strato Pi Base User Guide July 2021 Revision 026 SPBB30X Strato Pi Base board SPMB30X Strato Pi Base server with Raspberry Pi 3 Model B SPMB30XP Strato Pi Base server with Raspberry Pi 3 Model B+ SPMB30X41 Strato Pi Base server with Raspberry Pi 4 Model B 1GB SPMB30X42 Strato Pi Base server with Raspberry Pi 4 Model B 2GB SPMB30X44 Strato Pi Base server with Raspberry Pi 4 Model B 4GB SPMB30X48 Strato Pi Base server with Raspberry Pi 4 Model B 8GB...
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Page 2: Table Of Contents
Safety information Qualified personnel Hazard levels Safety instructions General safety instructions Battery Introduction Features Usage and connections Device identification Hardware Installation Strato Pi Base board Strato Pi Base server Replacing the RTC backup battery Terminal block Power supply Dedicated GPIO pins Software installation and configuration Installing the Strato Pi utility Installing the Strato Pi kernel module... - Page 3 Installation and use restrictions Standards and regulations Safety instructions Set-up Conformity Information CANADA RCM AUSTRALIA / NEW ZEALAND Compliance information for Raspberry Pi CANADA Strato Pi Base User Guide...
- Page 4 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 Strato and Sfera Labs are trademarks of Sfera Labs S.r.l. Other brands and names may be claimed as the property of others.
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Page 5: Safety Information
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. -
Page 6: Safety Instructions
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). - Page 7 WARNING Improper handling of lithium and lead-acid 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.
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Page 8: Introduction
Introduction Strato Pi Base enhances the Raspberry Pi Model B version 2, 3 and 4 with several hardware features to make it suitable for use in professional applications where reliability and service continuity are key requirements. Strato Pi Base is available as a bare board or fully assembled unit, including a Raspberry Pi 3 Model B or B+ or Raspberry Pi 4 Model B, in a standard DIN-rail case. -
Page 9: Features
Features Strato Pi Base board and server: ✓ 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) ✓ real time clock with replaceable CR1025 Lithium / Manganese Dioxide back-up battery ✓... -
Page 10: Usage And Connections
Usage and connections STRATO PI BASE CONNECTION DIAGRAM 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 Strato Pi Base User Guide... -
Page 11: Hardware Installation
Hardware Installation Strato Pi Base board The Strato Pi Base board is supplied with all connectors pre-installed. No soldering is required. You should connect Strato Pi to Raspberry Pi through the GPIO connector. Use appropriate turrets/spacers to firmly bolt the two boards together, ensuring that no conductive part of one board touches any part of the other board. - Page 12 Worn-out or defective batteries can compromise the function of this product. KEEP OUT OF REACH OF CHILDREN. Swallowing may lead to serious injury or death in as little as 2 hours due to chemical burns and potential perforation of the esophagus. Immediately see doctor.
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Page 13: Terminal Block
6. Replace the case bottom applying a gentle pressure on the corners 7. Replace the black plastic DIN rail hook 8. Insert the microSD card. RTC BACKUP BATTERY OPENING THE CASE OF RASPBERRY PI 4 MODEL B MODELS Terminal block Strato Pi Base has a 9 positions terminal block for power and serial connections. -
Page 14: Power Supply
THE STRATO PI BASE CIRCUIT BOARD Power supply Strato Pi Base can be powered with DC voltage only: ✓ DC: nominal voltage range 9.0V to 28.0V. Respect the correct polarity shown in the schematic diagram (+ -). The power supply circuit implements reverse polarity protection using an auto resetting fuse and surge protection up to ±1000V/2ohms 1.2/50μs. - Page 15 Iout Vout 5.09 0.13 0.10 0.08 5.05 0.71 0.52 0.28 5.04 0.91 0.67 0.35 5.03 1.05 0.76 0.39 5.01 1.27 0.91 0.46 5.00 1.42 1.01 0.51 4.98 1.80 1.27 0.64 4.97 1.94 1.38 0.68 4.96 FUSE 1.43 0.71 4.95 1.54 0.76 4.92 1.88...
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Page 16: Dedicated Gpio Pins
Dedicated GPIO pins Strato Pi uses some of the Raspberry Pi’s GPIO pins. These pins should not be used for other functions. GPIO pin Direction Description GPIO2/SDA C SDA line GPIO3/SCL C SCL line GPIO14/TXD serial TX line GPIO15/RXD serial RX line GPIO5 cycle high/low for watchdog heartbeat GPIO6... -
Page 17: Software Installation And Configuration
Run the following commands to download and install the Strato Pi utility: $ cd /usr/local/bin $ sudo wget http://sferalabs.cc/files/strato/strato $ sudo chmod 755 strato You can run the Strato Pi utility without arguments to print its options: $ strato... -
Page 18: Installing The Real Time Clock Software
$ sudo apt-get install i2c-tools With these prerequisite installs completed, you should download and run Strato Pi’s installation script: $ cd $ wget http://sferalabs.cc/files/strato/rtc-install $ chmod 755 rtc-install $ sudo ./rtc-install If the script completes with no errors, delete the installation script and reboot:... -
Page 19: Configuring The Serial Port
If the returned date and time is not correct, or “hwclock” returns an error, use the “-w” option to set the hardware clock to the current time: $ sudo hwclock -w Then recheck the time stored in the hardware clock to ensure it matches. Linux may have failed to automatically update the hardware clock after the last reboot if its internal registers contained invalid values. - Page 20 If you are using Strato Pi’s serial ports for your applications, you also need to disable the Linux serial console, otherwise it will send console data to the serial port. Disable the ttyAMA0 console service: sudo systemctl disable serial-getty@ttyAMA0.service Edit the /boot/cmdline.txt file and delete the serial console configuration: console=serial0,115200 Strato Pi Base User Guide...
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Page 21: Using Strato Pi Base
Using Strato Pi Base Real Time Clock Strato Pi Base has a hardware real time clock with a dedicated long-life non-rechargeable back-up battery. Once the RTC modules and configuration files are properly installed, you will simply use the date and time commands to control the hardware clock. ATECC608A secure element Strato Pi Base embeds the ATECC608A secure element chip from Microchip. - Page 22 Simply connect the RS-232 RX, TX and GND lines to the RS-232 posts of the Strato Pi terminal block or the RS-485 A, B and GND to the RS-485 posts of the terminal block. Never connect both RS-232 and RS-485 lines to Strato Pi. Strato implements a single serial port, not two.
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Page 23: Buzzer
Buzzer Strato Pi Base has an on-board buzzer that can be controlled using GPIO20. Simply set GPIO20 to high to emit a continuous sound, and back to low to stop. The buzzer is not intended to emit sound indefinitely and could be damaged doing so. Buzzer on continuously: $ sudo strato beep on Buzzer off:... -
Page 24: Power Cycle
Print “1” if the watchdog timeout is expired, “0” if not: $ sudo strato watchdog timeout; echo $? Power cycle You can start a delayed power cycle by rising Raspberry Pi’s GPIO16 pin. When GPIO16 is set to high, Strato Pi Base will wait 60 seconds and then power off the Pi board for 5 seconds. -
Page 25: Thermal Considerations For Strato Pi Base Server
Thermal considerations for Strato Pi Base server The Raspberry Pi draws power and generates heat proportionally to CPU and GPU load. The Strato Pi main regulator also generates heat proportionally to the total amount of current that it has to supply to the Raspberry and, if present, external devices. The thermal behaviour of Strato Pi Base server is dynamic and affected by operating conditions and the external environment temperature. - Page 26 35C AMBIENT TEMPERATURE, LOW CPU LOAD 35C AMBIENT TEMPERATURE, HIGH CPU LOAD Strato Pi Base User Guide...
- Page 27 45C AMBIENT TEMPERATURE, LOW CPU LOAD 45C AMBIENT TEMPERATURE, HIGH CPU LOAD Strato Pi Base User Guide...
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Page 28: Block Diagram
Block diagram STRATO PI BASE BLOCK DIAGRAM Strato Pi Base User Guide... -
Page 29: Technical Specifications
Technical specifications Power supply 9-28 V⎓ (VDC) Reverse polarity protection with 2.2 A resettable fuse. Surge protection up to ±1000V/2ohms 1.2/50μs low CPU load: 320 mA Current consumption at VS+ 12V⎓ 100% CPU load, before throttling: 590 mA including Raspberry Pi 4, with Ethernet and RS-485 100% CPU load, throttled: 500 mA connected, no USB devices SPBF10X fan option, add: 50 mA... - Page 30 Internal RTCC circuit with backup lithium battery. Only use CR1025 Lithium / Manganese Dioxide (Li/ MnO2) batteries. Real time clock Expected battery life without main power supply: ~2 years Housing standard 4M for DIN rail Strato Pi Base board only: -20…+70 °C Operating temperature Strato Pi Base server: -20…+50 °C Strato Pi Base server with SPBF10X: -20…+65 °C...
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Page 31: Dimensions
Dimensions DIMENSIONS (mm) Strato Pi Base User Guide... -
Page 32: Disposal
Disposal Waste Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems). This marking on the product, accessories or literature indicates that the product should not be disposed of with other household waste at the end of their working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources. - Page 33 ✓ EN 61000-6-3:2007/A1:2011/AC:2012 - EMC Emission standard for residential, commercial and light-industrial environments The declaration of conformity is available at: https://www.sferalabs.cc This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 34 CANADA This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. RCM AUSTRALIA / NEW ZEALAND This product meets the requirements of the standard EN 61000-6-3:2007/A1:2011/ AC:2012 - Emission for residential, commercial and light-industrial environments.
- Page 35 l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Strato Pi Base User Guide...
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