| Device Type | Cloud API | Modbus TCP (Ethernet) | RS485 |
|---|---|---|---|
| Zaptec Go | ✅ | ❌ | ❌ |
| Zaptec Go 2 | |||
| Zaptec Pro |
The communication between the SmartgridOne Controller and the charging stations is established through API. Make sure the charging stations have a functioning internet connection.
Make sure the charging station is connected to the Internet and Zaptec's portal. When you add the charging station to the controller, you will be prompted for your portal login to add your station. Have this information ready ahead of time.
No additional communication wiring between the controller and the charging stations is required. Configure the charging mode and available current in the Zaptec portal before using SmartgridOne to manage charging.
SmartgridOne adjusts the maximum charging current for each charging point according to the available capacity at the site. The available-current settings in Zaptec remain an additional ceiling: a higher current allowance from SmartgridOne cannot override a lower limit in Zaptec.
Choose a safe current limit. Account for the main fuse, charging circuits, cabling and other building loads. Do not rely on active EMS control alone when choosing this ceiling: the installation must remain safe if EMS communication stops. There is no single current value suitable for every site.
Check the charging mode and all three available-current values in Zaptec first. Then compare SmartgridOne's permitted current with the actual charging current. The vehicle, cable and number of phases in use can also limit charging power.
Zaptec Go & Zaptec Go 2: https://help.zaptec.com/installation/how-to-install-zaptec-go-and-zaptec-go-2
Zaptec Pro: https://help.zaptec.com/installation/how-to-install-zaptec-pro