Technical Specifications - Sferalabs Iono Pi IPBB20R User Manual

Technical specifications
Power supply (VS)
Current consumption at VS+ 12 V⎓
including Raspberry Pi 4, with Ethernet connected,
no USB devices
Current consumption at VS+ 24 V⎓
including Raspberry Pi 4, with Ethernet connected,
no USB devices
Raspberry platform compatibility
Voltage range at digital inputs
Current for each digital input in normal mode
Voltage threshold digital inputs in normal mode
Voltage threshold digital inputs in TTL mode
Range for analog inputs
Impedance for analog inputs
32
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,
100% CPU load, before throttling: 590 mA
100% CPU load, throttled: 500 mA
All relays ON add: 90 mA
SPBF10X fan option, add: 50 mA
Actual current consumption may vary based on
working conditions
low CPU load: 190 mA,
100% CPU load, before throttling: 320 mA
100% CPU load, throttled: 280 mA
All relays ON add 50 mA
SPBF10X fan option, add: 25 mA
Actual current consumption may vary based on
working conditions
Pi 4 Model B
Pi 3 Model B+
Pi 3 Model B
Pi 2 Model B
(tested with Pi 4 Model B for regulatory compliance)
DI1..DI3: 0÷40 V ⎓ in normal mode;
0÷5 V ⎓ in TTL mode
DI4..DI6: 0÷VS+ ⎓
DI1..DI3:
• 1.7 mA at VS+=12 V ⎓
• 3.4 mA at VS+=24 V ⎓
DI4..DI6:
• 1.9 mA at VS+=12 V ⎓
• 3.9 mA at VS+=24 V ⎓
• VIH: 4.2 V
• VIL: 3.4 V
• VIH: 2.4 V
• VIL: 0.8 V
• AI1..AI2: 0÷30 V ⎓
• AI3..AI4: 0÷3 V ⎓
AI1..AI4: 200 kOhm
Iono Pi User Guide