Mill City Roasters MCR Digital Control Panel 1000 Machine Controls & Modbus RTU Setup
Does Rostoc support the Mill City Roasters MCR Digital Control Panel 1000?
Yes - Mill City Roasters MCR Digital Control Panel 1000 is supported by Rostoc via Modbus RTU over RS-485 serial (19200 baud). This Machine can be connected for real-time roast logging, Curve recording, and roast analysis. For eligible accounts, Rostoc can also control the functions listed below.
Connection setup
The Mill City Roasters MCR Digital Control Panel 1000 connects to Rostoc via Modbus RTU over RS-485 serial (19200 baud).Connection: RS-485 Serial.
Setup steps
- Connect a USB-to-RS-485 adapter to your computer, then connect the adapter to the machine RS-485 port or terminals.
- Match the A/B or +/− wiring to the machine manual. If the adapter has ground, connect it only when the manual recommends it.
- Install the adapter driver if your operating system requires it.
- Open Rostoc and go to Settings → Machines.
- Click + Add Machine and choose Browse Catalogue.
- Find "Mill City Roasters MCR Digital Control Panel 1000" in the catalog and click Add.
- Back on the main screen, click Use for the Machine if needed, then choose the serial port assigned to the adapter. The baud rate, serial settings, and unit ID are pre-filled from the catalog.
- Close other roasting software that may be using the same adapter.
- Click Connect to start reading data.
Troubleshooting
- Serial port not detected
- Ensure the USB-to-RS-485 adapter driver is installed. Try a different USB port. On macOS, check System Information > USB.
- No response from roaster
- Verify the baud rate and parity settings match the roaster's configuration. Check RS-485 wiring polarity (A/B or +/−).
- CRC errors in log
- Reduce cable length or add a termination resistor. Ensure no other device shares the RS-485 bus.
- Another app is open
- Close other roasting software that may be using the same serial adapter before connecting in Rostoc.
Machine controls
Eligible accounts can send the following commands while this Machine is connected and selected. Availability does not certify every control on the physical Machine; test safely before production use.
Connection: Mill City Roasters MCR Digital Control Panel 1000 · RS-485 Serial (USB)
Adjustable controls
| Control | How it works | Rostoc command values | Result check |
|---|---|---|---|
| AirOutput | SliderAdjust, then release | 0–60 Hz | Connection acknowledgement; verify on the Machine |
| DrumOutput | SliderAdjust, then release | 0–60 Hz | Connection acknowledgement; verify on the Machine |
| BurnerOutput | SliderAdjust, then release | 0–350 daPa | Connection acknowledgement; verify on the Machine |
These are Rostoc's accepted command values for this connection, not certified safe operating limits. Follow the Machine manufacturer's limits and procedures.
Learn how availability, command results, and safety checks work in Machine controls. To move between available controls without a mouse, see Keyboard shortcuts.
Specifications
| Roaster type | Drum |
|---|---|
| Heating | Unknown |
| Setup type | Modbus |
| Connection | RS-485 Serial (USB) |
Data streams
When connected, Rostoc reads the following data from this machine:
- Env Tempfahrenheit
- Drum Tempfahrenheit
- Bean Tempfahrenheit
- Inlet Tempfahrenheit
- Burner Setpointpercent
- Drum SpeedHz
- Fan SetpointHz
- GasSV