Connecting The Signal Source - SMA INVERTER MANAGER Installationsanleitung

SMA Solar Technology AG
Position Designation
A Digital inputs for connecting a signal source
(inputs DI0 to DI5 can be assigned; all
other inputs have no function)
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.
Installation Manual
Pin assignment of the RS485 terminal
(see Section 3.3.5, page 17):
(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
Connection of a Signal Source (10 V to 30 V)
with Digital Output Signals
4 I/O Box
Assignment
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GND
DataA(-)
DataB(+)
IMVIOBOX-IA-xx-19 21