Supported Devices
| Device Type | Modbus TCP (Ethernet) | RS485 | Curtailment | Minimum device firmware version |
|---|---|---|---|---|
| Vision One | ✅ | ✅ | ⌛ (in development) | Master: 1.62, Manager: 1.34 (*) |
| Vision Three |
Supported Firmware versions
(*) The integration may work for older firmware versions, but these are not tested.
Wiring
Ethernet
For correct ethernet wiring: Follow the the guidelines for ethernet wiring.
warning
You cannot connect it through the WiFi dongle.
RS485
RS485 Wiring
- For correct RS485 wiring: Follow the guidelines for RS485 wiring.
- If the wiring shown in the table below is incorrect, please let us know.
- There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.
| Device | Sofar EMS model OM1 | Sofar EMS model IG8 | RS485-USB converter | RS485-Ethernet converter |
|---|---|---|---|---|
| EMS 485A / pin 17 | RS485 A | RS485_POS | RS485 A | TX+ |
| EMS 485B / pin 18 | RS485 B | RS485_NEG | RS485 B | TX- |
| N/A | RS GND | GND | Not available | G |
