Signal – SMA CLUSTER CONTROLLER Installation User Manual

Page 64

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4. On the connection cable, mark the terminal and the pin row to which the connection cable is

assigned. Use the supplied cable tie with caption field.

5. Write down the terminal assignment on the supplied supplementary sheet.

6.12.5.3 Connecting a Remote Terminal for Feedback via Analog Signal

You can have the following information fed back via the three analog current outputs:

Analog current output

Reported information

1

Value for active power limitation that the Cluster Controller is
currently sending to the inverters in the system

2

Value for the reactive power setpoint that the Cluster Controller
is currently sending to the inverters in the system

3

Current total active power of the system as a percentage of the
maximum nominal system power

Requirements:

The remote terminal must be technically suitable for connection to the analog outputs (see

Section 9, page 84).

The connection cable must be prepared for connection to the multipole plug (see Section 6.5,

page 33).

Figure 27: Pin assignment for the pin groups Analog current output 1, Analog current output 2 and
Analog current output 3

Pin group

Pin

Signal

Explanation

Analog current output 1
Feedback for current active power lim-
itation

A1

I+

Current output

A2

I−

Current return

A3

GND

Shield ground

6 Connection and Commissioning

SMA Solar Technology AG / SMA America, LLC

Installation Manual

ClusterController-IA-en-14

64

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