![3_BellwetherLogo-2.png]](https://help.bellwethercoffee.com/hs-fs/hubfs/3_BellwetherLogo-2.png?height=40&name=3_BellwetherLogo-2.png){kind=small}
Series 2: Log output variables
Roast log headers to help understand what each parameter is used for
| Variable Name | Example | Descption |
| Date America/Los_Angeles | 2022/08/24, 12:24:00 | Date and Time Stamp |
| State | LOG Roast | Mesage type, State |
| m:s | 9:51 | Duration in current state |
| HtrOut | 540.1 | Main Heater Temperature Sensor |
| CatOut | 548 | Catalyst Temperature Sensor |
| Blower | 524.3 | Blower Temperature Sensor |
| Inlet | 586 | Intlet Tempurature Sensor |
| BeanFr | 418.6 | Bean Front Teperuature Sensor |
| DrumBtm | 327.9 | Drum Bottom Temperature Sensor |
| BypExit | 481.4 | Bypass Exit Temperature Sensor |
| BnCooler | 76.8 | Bean Cooler Temperature Sensor |
| AirSpf | 496 | Main Heater Temperature Controller Setpoint |
| AirPWM | 437 | Main Heater Pulse Width Modulation Value |
| AuxTgt | 590 | Augilary Heater Temperature Setpoint |
| AuxPWM | 459 | Auxiliary Heater Pulse Width Modulatoin Value |
| CatSPF | 548 | Catalyst Temperature Setpoint |
| BlowerSPF | 525 | Blower Temperature Setpoint |
| RstSPF | 419 | Roasting Tempurature Setpoint |
| RstPWM | 540 | Drum Pulse Width Modulatoin Value |
| HtrPwr | 445 | Total Heater Power expressed as (Watts) / 10 |
| RstErr | 1.9 | Preheat: Error between preat temperature and current drum bottom temperature Roast: Error betwoeen roast profile and observed temperature |
| mbVFD | 274 | Main Blower VFD frequence expresses as (freq)*10 |
| BypPos | 0 | Bypass Position |
| BypTgt | 0 | Bypass Target Possition |
| TicTgt | 0 | Bypass Tick Target Position |
| BypEnc | 0 | Bypass Encoder Position NO LONGER IN USE |
| iF | 0 | Roast Curve Intitial Falling |
| Hpr | N | Hoper Present Sensor |
| Ld | C | Bean Load Sensor |
| Drp | C | Bean Drop Sensor |
| Ex | O | Bean Exit Sensor |
| Bkt | P | Bucket Present Sensor |
| Chf | U | Chaff Can Elevator Sensor |
| Can | P | Chaff Can Present Sensor |
| H2O | P | Water Bottle Present Sensor |
| Exhst% | 300 | Exhaust Blower Speed Percentafe |
| CtlBdf | 86 | Control Board Temperature Sensor |
| DrumI | 0.4 | Drum Agitator Motor Current Draw |
| DrumRPM | 66.5 | Drum Agitato Rotation Per Minute |
| Mbl | 1.4 | Main Blower Motor Current Draw |
| MBFreq | 299 | Main Blower VFD frequency expressed as (freq)*10 |
| ExhaustRPM | 6540 | Exhaust Blower Tach Frequency |
| LastUerr | 0x00 | Last UART Error Code |
| UerrCnt | 57 | Total UART Errors |
| intlck | SAFE | Hardware Saftye Interlock Status |
| rr | 0x0f | Roast Ready Conditions |
| rrS | 0 | Roast Ready Value |
| V24 | 0 | 24V Motor Power Supply Status |
| V12 | 0 | 12V Motor Power Supply Status |
| comp on | 1= comp on and 0=comp off. | |
| comp on time | how long the compressor ran the last time it was on (duty cyclte) in seconds | |
| Alarms | Current Active Alarms Expressed in hex |