---
title: Telemetry Settings
slug: legacy-docs-gk-3-0/telemetry-settings
icon: ⚙️
createdAt: 2024-01-14T23:54:51.509Z
---

:::hint{type="info"}
The following settings are related to telemetry interfaces on the nano**DRIVE** units.
:::

### Battery Circuit Status Telem Rate

| **Description** | The rate at which to transmit the DroneCAN Circuit Status message for the battery input circuit. A rate of zero corresponds with no transmission. This setting only affects units equipped with a battery input sensor. |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | BATT\_TLM\_FREQ                                                                                                                                                                                                         |
| **Units**       | Units are in Hz (Hertz)                                                                                                                                                                                                 |
| **Advanced**    | YES                                                                                                                                                                                                                     |

### DroneCAN Battery Circuit ID

| **Description** | The ID to assign to the battery circuit for |
| --------------- | ------------------------------------------- |
| **CAN Name**    | BATT\_TLM\_CIRC\_ID                         |
| **Units**       | N/A                                         |
| **Advanced**    | YES                                         |

### DroneCAN Extended Telem Rate

| **Description** | The rate at which (in Hz) to transmit the extended DroneCAN telemetry message. A rate of zero corresponds to no transmission. |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | CAN\_TEL\_EXT\_RATE                                                                                                           |
| **Units**       | Units are in Hertz (Hz)                                                                                                       |
| **Advanced**    | YES                                                                                                                           |

### DroneCAN Telem Rate

| **Description** | The rate at which (in Hz) to transmit the DroneCAN ESC Status telemetry message. A rate of zero corresponds to no transmission. |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | CAN\_TEL\_STAT\_RTE                                                                                                             |
| **Units**       | Units are in Hertz (Hz)                                                                                                         |
| **Advanced**    | NO                                                                                                                              |

### Mechanical RPM in Serial Telemetry

| **Description** | Enabling this setting sends mechnical RPM calculated from the configured Motor Pole Pairs over serial telemetry. When disabled eRPM is sent. |
| --------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | TLM\_RPM\_MECH                                                                                                                               |
| **Units**       | N/A                                                                                                                                          |
| **Advanced**    | YES                                                                                                                                          |

### Motor Temperature Sensing

| **Description** | Toggle the motor temperature sensor function. Enabling will introduce motor temperature measurement and limiting. |
| --------------- | ----------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | MOT\_T\_EN                                                                                                        |
| **Units**       | N/A                                                                                                               |
| **Advanced**    | YES                                                                                                               |

### Motor Temperature Sensor Coefficient

| **Description** | The motor temperature sensor coefficient. The temperature coefficient is accessible from the sensor datasheet. |
| --------------- | -------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | MOT\_T\_COEFF                                                                                                  |
| **Units**       | N/A                                                                                                            |
| **Advanced**    | YES                                                                                                            |

### Motor Temperature Sensor Nominal Resistance

| **Description** | The motor temperature sensor nominal resistance coefficient. The coefficient is accessible from the sensor datasheet. |
| --------------- | --------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | MOT\_T\_NOMR                                                                                                          |
| **Units**       | N/A                                                                                                                   |
| **Advanced**    | YES                                                                                                                   |

### Motor Temperature Sensor Nominal Temperature

| **Description** | The motor temperature sensor nominal resistance coefficient. The coefficient is accessible from the sensor datasheet. |
| --------------- | --------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | MOT\_T\_NOMT                                                                                                          |
| **Units**       | N/A                                                                                                                   |
| **Advanced**    | YES                                                                                                                   |

### Motor Temperature Sensor Type

| **Description** | Selection of sensor type embedded into the motor, for use with motor temperature sensing. |
| --------------- | ----------------------------------------------------------------------------------------- |
| **CAN Name**    | MOT\_T\_TYPE                                                                              |
| **Units**       | N/A                                                                                       |
| **Advanced**    | YES                                                                                       |

**Value Mappings**:

- 0 -> NTC
- 1 -> PT100
- 2 -> PT1000

### PTC Offset Resistance

| **Description** | Offset resistance calculated by the ESC when using PTC temperature sensors. |
| --------------- | --------------------------------------------------------------------------- |
| **CAN Name**    | PTC\_OFST\_RES                                                              |
| **Units**       | N/A                                                                         |
| **Advanced**    | YES                                                                         |

### PTC Reference Temperature

| **Description** | Reference temperature value to calibrate motor temperature measured by the PTC. This value should be the actual temperature of the PTC sensor. When this value is set to non-zero, the PTC temperature calibration runs and calculates the offset resistance, and this value is set back to zero. |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **CAN Name**    | PTC\_REF\_TEMP                                                                                                                                                                                                                                                                                    |
| **Units**       | N/A                                                                                                                                                                                                                                                                                               |
| **Advanced**    | YES                                                                                                                                                                                                                                                                                               |