User's Manual

WA020100 - Smart Irrigation Controller
UMAOC001 Rev G
USER MANUAL
Page 28 of 33
NFC communication
Frequency
13.56MHz
Interface
Passive NFC
Memory access
Read - allowed
Write - allowed
Internal sensor
Housing temperature
Range: -20ºC...+60ºC
Resolution: ±1ºC
Inputs
External pulse reader
Digital signal
Range [0...3.3V] / Free potential contact (open collector /drain)
Maximum frequency 1kHz
Protected against ESD
Outputs
Number of electrovalves available
4
Output pulse activation voltage (Vab)
+9V or +12V (depending model)
Output pulse deactivation voltage (Vab)
-9V or -12V (depending model)
Protection
Protection against ESD and voltages peaks
originated by solenoid switching
Maximum output current
1.8 A
Pulse duration
20ms...200ms
Maximum wire length recommended
2m