5 led signals of the i/o box, 4 technical data – SMA INVERTER MANAGER User 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