USER MANUAL – RTU-LP-ST
15
A 32 bits counters is available for each digital input.
The maximum acquisition speed is 1 Hz.
Digital Inputs have a 500V galvanic isolation between others circuits.
3.
SIGNAL LEDS
3.1.
GSM led
The GSM status led has the following meanings:
GSM LED
MEANING
OFF
GSM MODEM OFF
(RTU NOT POWERED
OR IN SLEEP STATE)
FAST FLASHING
GSM NETWORK
SEARCHING
SLOW FLASHING
GSM NETWORK
CONNECTED