Technical specifications
Power supply
12…28V
⎓
nom. (11…30V
⎓
)
Reverse polarity and surge protection up to ±500V/
2ohms 1.2/50
μ
s using an auto resetting fuse and
diodes
Current consumption at VS+ 12V
⎓
unconnected inputs and relays off
70mA with Arduino MKR1000 WiFi
Current consumption at VS+ 12V
⎓
digital inputs closed to VSO and relays on
165mA with Arduino MKR1000 WiFi
Current consumption at VS+ 24V
⎓
unconnected inputs and relays off
40mA with Arduino MKR1000 WiFi
Current consumption at VS+ 24V
⎓
digital inputs closed to VSO and relays on
115mA with Arduino MKR1000 WiFi
Arduino platform compatibility
Arduino MKR WiFi 1010, Arduino MKR1000 WiFi
(with headers), Arduino MKR ZERO, Arduino MKR
GSM 1400, Arduino MKR FOX 1200, Arduino MKR
WAN 1300
Inputs
4 multi-mode (digital or analog 0…30V or 0…25mA)
2 digital (also configurable as TTL I/O)
Voltage range at digital inputs (1-4)
0…40V
⎓
Current for each digital input (1-4)
2.9mA at VS+ 12V
⎓
5.8mA at VS+ 24V
⎓
Voltage threshold digital inputs 1-4 (typ.)
VIH: 4.6V
VIL: 3.8V
Voltage range at digital inputs (5-6)
0…40V
⎓
in normal mode
0…5V
⎓
in TTL mode
Current for each digital input (5-6)
1.8mA at VS+ 12V
⎓
3.5mA at VS+ 24V
⎓
Voltage threshold digital inputs 5-6 (typ.)
VIH: 4.7V
VIL: 3.9V
Impedance for analog 0…10V inputs (1¸4)
410k
Ω
Impedance for analog 0…20mA inputs (1-4)
130
Ω
Analog inputs characteristics
Resolution: 12 bits
Linearity: ±1LSB
MAX error: ±2% of full scale
23
Iono MKR User Guide