Technical Specifications - Sferalabs SPMB21X User Manual

Technical specifications
Power supply
Current consumption at VS+ 12V⎓
including Raspberry Pi 3 current, with low CPU/GPU
load and no USB devices connected
Current consumption at VS+ 24V⎓
including Raspberry Pi 3 current, with low CPU/GPU
load and no USB devices connected
Raspberry platform compatibility
Serial communication ports
Serial port baud rates
ESD-Protection Voltage on RS-232 TX/RX
ESD-Protection Voltage on RS-485 A/B
Surge protection on RS-485 A/B
Fail safe feature on RS-485
21
9-28V⎓ (VDC)
Reverse polarity protection with 1.1A resettable
fuse. Surge protection up to ±1000V/2ohms
1.2/50μs
150mA w/o Ethernet
180mA with Ethernet and RS-485
Actual current consumption may vary based on
working conditions
85mA w/o Ethernet
100mA with Ethernet and RS-485
Actual current consumption may vary based on
working conditions
Pi 3 Model B+
Pi 3 Model B
Pi 2 Model B
(tested with Pi 3 for CE and FCC compliance)
RS-485 Half-Duplex with automatic data direction
management
RS-232 Full-Duplex
1200 to 115200
±15kV human body model
±8kV contact discharge
±15kV human body model
±8kV contact discharge
Surge protection up to ±500V/2ohms 1.2/50μs;
600W peak pulse power capability at 10/1000μs
waveform
Yes
Strato Pi Base User Guide