SMA INVERTER MANAGER Installationsanleitung Seite 12

4 I/O Box
(5) GND
(4) Data A (−)/D1−
(3) Data B (+)D1+
Pin
D2-
D2+
GND
D1-
D1+
4.3.3 Connecting the Signal Source
Connection of a Signal Source with
Potential-Free Relay Contact
Dry Contact:
closed: DI0 = on
open: DI0 = off
Connection of a Signal Source (10 V to 30 V)
with Digital Output Signals
10 V to 30 V U U
Wet Contact:
0 V to 3 V = off
10 V to 30 V = on
12 IMVIOBOX-IA-xx-16
Assignment
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GND
DataA(-)
DataB(+)
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
4.3.4 Connecting the I/O Box to the
Voltage Supply
Connect the 12 Vdc to 36 Vdc connection line with the
terminal for the voltage supply. Connect the grounding of
the connection line to the "V" terminal and connect the
grounding pin (GND) if grounding is present.
Pin Assignment
V- / V+ Voltage supply 24 Vdc (12 Vdc to 36 Vdc)
Diameter of the leads
For safety reasons, the leads for the electricity
supply must have a diameter of at least 2 mm².
4.3.5 LED Signals of the I/O Box
LED State
COM0
DI0
DI1
Power Glowing
DI2
DI3
GND
DI4
yellow
DI5
DI6
DI7
COM1
DIO0
DIO1 Off
DIO2
DIO3
GND
DIO4
DIO5
Ready Glowing
DIO6
DIO7
green
Green is
flashing once
per second
Flashing
green every
0.5 seconds
Flashing
COM0
DI0
DI1
DI2
green
DI3
GND
DI4
DI5
DI6
DI7
COM1
DIO0
DIO1
DIO2
DIO3
GND
DIO4
Off
DIO5
DIO6
DIO7
Port 1 Flashing
green
Port 2 Flashing
yellow
SMA Solar Technology AG
Explanation
The I/O Box is in operation.
The I/O Box is not in operation.
The system is ready for
operation.
The "detect" function was
triggered.
Firmware is being updated.
When the green LED is on for
five seconds and then goes off
for five seconds, it means that
the system is in "Safe Mode".
The system is not ready for
operation.
Data is being sent or received.
Data is being sent or received.
Installation Manual