---
title: Telemetry Settings
slug: microdrive-lp/telemetry-settings
icon: ⚙️
docTags: 
createdAt: 2024-01-14T23:54:51.509Z
---

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

### ARINC ESC Status 1 Rate

| **Description**   | Set the output rate of the ARINC 825 ESC Status 1 telemetry message. |
| ----------------- | -------------------------------------------------------------------- |
| **ID**            | 0x009b                                                               |
| **DroneCAN Name** | ARINC\_STAT1\_HZ                                                     |
| **Units**         | Units are in Hertz (Hz)                                              |

### ARINC ESC Status 2 Rate

| **Description**   | Set the output rate of the ARINC 825 ESC Status 2 telemetry message. |
| ----------------- | -------------------------------------------------------------------- |
| **ID**            | 0x009c                                                               |
| **DroneCAN Name** | ARINC\_STAT2\_HZ                                                     |
| **Units**         | Units are in Hertz (Hz)                                              |

### ARINC ESC Status 3 Rate

| **Description**   | Set the output rate of the ARINC 825 ESC Status 3 telemetry message. |
| ----------------- | -------------------------------------------------------------------- |
| **ID**            | 0x009d                                                               |
| **DroneCAN Name** | ARINC\_STAT3\_HZ                                                     |
| **Units**         | Units are in Hertz (Hz)                                              |

### ARINC PHSM Rate

| **Description**   | Set the output rate of the ARINC 825 Periodic Health Status Message (PHSM). |
| ----------------- | --------------------------------------------------------------------------- |
| **ID**            | 0x009e                                                                      |
| **DroneCAN Name** | ARINC\_PHSM\_HZ                                                             |
| **Units**         | Units are in Hertz (Hz)                                                     |

### 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. |
| ----------------- | ----------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0061                                                                                                                        |
| **DroneCAN Name** | CAN\_TEL\_EXT\_RATE                                                                                                           |
| **Units**         | Units are in Hertz (Hz)                                                                                                       |

### 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. |
| ----------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0165                                                                                                                          |
| **DroneCAN Name** | CAN\_TEL\_STAT\_RTE                                                                                                             |
| **Units**         | Units are in Hertz (Hz)                                                                                                         |

### 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. |
| ----------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0169                                                                                                                                       |
| **DroneCAN Name** | TLM\_RPM\_MECH                                                                                                                               |
| **Units**         | N/A                                                                                                                                          |

### Motor Temperature Sensing

| **Description**   | Toggle the motor temperature sensor function. Enabling will introduce motor temperature measurement and limiting. |
| ----------------- | ----------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0050                                                                                                            |
| **DroneCAN Name** | MOT\_T\_EN                                                                                                        |
| **Units**         | N/A                                                                                                               |

### Motor Temperature Sensor Coefficient

| **Description**   | The motor temperature sensor coefficient. The temperature coefficient is accessible from the sensor datasheet. |
| ----------------- | -------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0052                                                                                                         |
| **DroneCAN Name** | MOT\_T\_COEFF                                                                                                  |
| **Units**         | N/A                                                                                                            |

### Motor Temperature Sensor Nominal Resistance

| **Description**   | The motor temperature sensor nominal resistance coefficient. The coefficient is accessible from the sensor datasheet. |
| ----------------- | --------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0053                                                                                                                |
| **DroneCAN Name** | MOT\_T\_NOMR                                                                                                          |
| **Units**         | N/A                                                                                                                   |

### Motor Temperature Sensor Nominal Temperature

| **Description**   | The motor temperature sensor nominal resistance coefficient. The coefficient is accessible from the sensor datasheet. |
| ----------------- | --------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0054                                                                                                                |
| **DroneCAN Name** | MOT\_T\_NOMT                                                                                                          |
| **Units**         | N/A                                                                                                                   |

### Motor Temperature Sensor Type

| **Description**   | Selection of sensor type embedded into the motor, for use with motor temperature sensing. |
| ----------------- | ----------------------------------------------------------------------------------------- |
| **ID**            | 0x0051                                                                                    |
| **DroneCAN Name** | MOT\_T\_TYPE                                                                              |
| **Units**         | N/A                                                                                       |

**Value Mappings**:

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

### Periodic Serial Telemetry Rate

| **Description**   | Set the output rate of periodic serial telemetry. High-speed rates may overrun communications buses. Setting to 0 will disable periodic telemetry output. |
| ----------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x017a                                                                                                                                                    |
| **DroneCAN Name** | SER\_TLM\_HZ                                                                                                                                              |
| **Units**         | Units are in Hertz (Hz)                                                                                                                                   |

### PTC Offset Resistance

| **Description**   | Offset resistance calculated by the ESC when using PTC temperature sensors. |
| ----------------- | --------------------------------------------------------------------------- |
| **ID**            | 0x007e                                                                      |
| **DroneCAN Name** | PTC\_OFST\_RES                                                              |
| **Units**         | N/A                                                                         |

### 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. |
| ----------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x007d                                                                                                                                                                                                                                                                                            |
| **DroneCAN Name** | PTC\_REF\_TEMP                                                                                                                                                                                                                                                                                    |
| **Units**         | N/A                                                                                                                                                                                                                                                                                               |

### Serial Telemetry Type

| **Description**   | Set the telemetry output when using serial protocols. DShot telemetry will send a telemetry packet upon DShot request, Periodic telemetry sends a packet at the Telemetry Refresh Rate. RPM telemetry pulses once per eRPM. |
| ----------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **ID**            | 0x0016                                                                                                                                                                                                                      |
| **DroneCAN Name** | TLM\_TYPE                                                                                                                                                                                                                   |
| **Units**         | N/A                                                                                                                                                                                                                         |

**Value Mappings**:

- 0 -> DShot/BiDirectional DShot
- 1 -> Periodic Telemetry
- 2 -> RPM Output