SMA CLUSTER CONTROLLER Installation - Manual (Page 50)

Figure 16: Pin assignment for the pin groups Analog current input 1, Analog current input 2 and Analog
current input 3
Pin group Pin Signal Explanation
Analog current input 1 A1 Not assigned Reserved for future applications
A2 I+ Current input
A3 I− Current return
A4 GND Shield ground
Analog current input 2 A5 Not assigned Reserved for future applications
A6 I+ Current input
A7 I− Current return
A8 GND Shield ground
Analog current input 3 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 sensor (see the manual from manufacturer). Trim the
unneeded insulated conductors up to the cable shield and note down the conductor colors.
2. For connection to the pin group Analog current input 1, perform the following steps:
• 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.
• Insert the eight-pole plug into pin row A in terminal X8.
3. For connection to the pin group Analog current input 2, perform the following steps:
6 Connection and Commissioning SMA Solar Technology AG / SMA America, LLC
Installation Manual ClusterController-IA-en-14 50