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SMA CLUSTER CONTROLLER Installation User Manual

Page 61

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Requirements:

☐ The signal source must be technically suitable for connection to the analog inputs (see

Section 9, page 84).

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

page 33).

Figure 24: Pin assignment for pin group Analog current input 3

Pin

Signal

Explanation

B1

Not assigned

Reserved for future applications

B2

I+

Current input

B3

I−

Current return

B4

GND

Shield ground

Procedure:

1. Connect the connection cable to the analog signal source (see the manual from manufacturer).

Trim the unneeded insulated conductors up to the cable shield and note down the conductor
colors.

2. Connect the connection cable to the eight-pole plug:

• Unlock conductor entry 4 with a screwdriver and insert the insulated conductor of the

wire into the conductor entry.

• Unlock conductor entries 2 and 3 with a screwdriver and insert the insulated conductors

of the connection cable into the conductor entries. Observe the pin assignment.

3. Insert the eight-pole plug into pin row B in terminal X8.
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 Connection and Commissioning

SMA Solar Technology AG / SMA America, LLC

Installation Manual

61

ClusterController-IA-en-14