SMA INVERTER MANAGER - Manual (Page 10)

4 SMA Digital I/O Box SMA Solar Technology AG / SMA America, LLC
10 IMVIOBOX-IA-xx-10 Installation Manual
4.3.5 LED Signals of the I/O Box
4.4 Technical Data
LED Status Explanation
Power Glowing
yellow
The I/O Box is in operation.
Off The I/O Box is not in operation.
Ready Glowing
green
The system is ready for
operation.
Flashing
green once
per second The "detect" function was
tripped.
Flashing
green every
0.5 seconds Firmware is being updated.
Flashing
green When the green LED is glowing
for five seconds and then goes
off for five seconds, it means
that the system is in "Safe
Mode".
Off The system is not ready for
operation.
Port 1 Flashing
green Data is being sent or received.
Port 2 Flashing
yellow Data is being sent or received.
System Data
Electricity supply
24 VDC nominal,
12 VDC to 36 VDC
Cabling I/O cable max. 4 AWG
Dimensions 27.8 mm x 124 mm x 84
mm (1.09 in x 4.88 in x
3.31 in)
Weight < 200 g
Operating temperature
range Standard module:
-10°C to +60°C
(14°F to 140°F)
Storage temperature -40°C to +85°C
(-40°F to 185°F)
Relative humidity,
non-condensing 5% to 95%
Operating altitude 2,000 m
Standards and
certifications UL 508, CE, FCC Class A
Warranty 5 years
Digital Input
Sensor type
Potential-free contact (NPN
or PNP); wet contact
I/O mode DI or event counter
Potential-free contact On = ground fault
Off = open
Wet contact (DI to COM) On = 10 VDC to 30 VDC
Off = 0 VDC to 3 VDC
Insulation voltage 3,000 VDC or 2,000 Veff
Counter/Frequency 250 Hz, memory in off-state
System Data