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

Page 10

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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

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