Assignment of Terminal Block of COM Connector
The COM connector is used for battery communication via CAN. Furthermore, a ripple control receiver and a fast-stop switch can be connected via the digital inputs and outputs. A potential-free switching contact is available for controlling loads up to 30 V/1 A.
 DANGER
DANGER
Danger to life due to electric shock
When connecting signals with voltages above 30 V to the COM connector, there is a risk of life-threatening electric shock.
- Only connect signals with protective extra-low voltage (< 30 V).

PIN overview
| Pin | Pin assignment | 
|---|---|
| BMS/CAN | |
| 1 | CAN H | 
| 2 | Enable signal | 
| 3 | CAN L | 
| 4 | Enable ground | 
| 5 | Not assigned | 
| 6 | Shielding | 
| DI | |
| 7 | Not assigned | 
| 8 | Shielding | 
| 9 | DI2 | 
| 10 | DI1 | 
| 11 | DI4 | 
| 12 | DI3 | 
| 13 | Fast stop | 
| 14 | 12 V | 
| 15 | Not assigned | 
| 16 | Not assigned | 
| DO | |
| 17 | NO (Normally Open) | 
| 18 | COM |