A physical interface card (like the PCOS004850 ) must be inserted into the controller's dedicated slot.
If your Modbus communication is "laggy" or dropping, these common patches often solve the issue: Чиллер Climaveneta, контроллер W3000 climaveneta w3000 modbus patched
Power down the unit and install the RS485 serial card. Ensure proper grounding to prevent electrostatic discharge. A physical interface card (like the PCOS004850 )
Navigate to the supervisor settings and set On/Off enable and Operating mode enable to "Yes" . Common "Patch" Fixes for Troubleshooting climaveneta w3000 modbus patched