SMA INVERTER MANAGER Instructions D'installation page 11

SMA Solar Technology AG / SMA Solar Technology America LLC
Position Designation
B Maintain the default setting: X1 = 1,
X10 = 0
C Connection of the Inverter Manager
D Connection of the electricity supply
E Maintain the default setting: 1 = Dual,
2 = Initial
4.3.2 Connecting the
Inverter Manager
Do not connect during operation
Do not connect the I/O Box to the Inverter Manager
during operation. Errors might occur that cannot be
detected immediately.
• Disconnect the Inverter Manager from voltage
sources.
• Connect the I/O Box with the Inverter Manager.
• Reconnect the Inverter Manager to the voltage
supply.
Pin assignment of the RS485 terminal
(see Section 3.3.4, page 7):
(5) GND
(4) Data A (−)/D1−
(3) Data B (+)D1+
Contact pin
D2-
D2+
GND
D1-
D1+
Installation Manual
Assignment
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GND
DataA(-)
DataB(+)
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
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 if grounding is present.
V−
V+
Contact Assignment
pin
V- Voltage Supply
V+ +24 Vdc nominal (+12 Vdc to 36 Vdc)
4 I/O Box
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
IMVIOBOX-IA-xx-12
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
DI6
DI7
COM1
DIO0
DIO1
DIO2
DIO3
GND
DIO4
DIO5
DIO6
DIO7
COM0
DI0
DI1
DI2
DI3
GND
DI4
DI5
DI6
DI7
COM1
DIO0
DIO1
DIO2
DIO3
GND
DIO4
DIO5
DIO6
DIO7
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