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SMA CLUSTER CONTROLLER Installation User Manual

Page 57

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Figure 21: Pin assignment for pin groups on terminal X5

Pin group

Pin

Pin assignment

Explanation

Digital input 5
Signal 1 of 4 for reactive power
setpoint

A1

24 V

Voltage supply output

A2

IN

Input

A3

GND

Reference potential

Digital input 6
Signal 2 of 4 for reactive power
setpoint

A4

24 V

Voltage supply output

A5

IN

Input

A6

GND

Reference potential

Digital input 7
Signal 3 of 4 for reactive power
setpoint

B1

24 V

Voltage supply output

B2

IN

Input

B3

GND

Reference potential

Digital input 8
Signal 4 of 4 for reactive power
setpoint

B4

24 V

Voltage supply output

B5

IN

Input

B6

GND

Reference potential

Danger to life due to electric shock caused by incorrect connection of the ripple control
receiver
Incorrect connection of the ripple control receiver can result in grid voltage on the
Cluster Controller enclosure.

• Do not connect the insulated conductors of the connection cable to the line conductors of the

ripple control receiver.

• When connecting, ensure that no bridge is being used in the ripple control receiver.

6 Connection and Commissioning

SMA Solar Technology AG / SMA America, LLC

Installation Manual

57

ClusterController-IA-en-14