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2026-02-11 22:43:01 +00:00
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docs/en/msg_docs/Px4ioStatus.md
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@@ -1,6 +1,53 @@
---
pageClass: is-wide-page
---
# Px4ioStatus (UORB message)
[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/Px4ioStatus.msg)
**TOPICS:** px4io_status
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| --------------------------- | ------------ | ------------ | ---------- | -------------------------------------------------------- |
| timestamp | `uint64` | | | time since system start (microseconds) |
| free_memory_bytes | `uint16` | | |
| voltage_v | `float32` | | | Servo rail voltage in volts |
| rssi_v | `float32` | | | RSSI pin voltage in volts |
| status_arm_sync | `bool` | | |
| status_failsafe | `bool` | | |
| status_fmu_initialized | `bool` | | |
| status_fmu_ok | `bool` | | |
| status_init_ok | `bool` | | |
| status_outputs_armed | `bool` | | |
| status_raw_pwm | `bool` | | |
| status_rc_ok | `bool` | | |
| status_rc_dsm | `bool` | | |
| status_rc_ppm | `bool` | | |
| status_rc_sbus | `bool` | | |
| status_rc_st24 | `bool` | | |
| status_rc_sumd | `bool` | | |
| status_safety_button_event | `bool` | | | px4io safety button was pressed for longer than 1 second |
| alarm_pwm_error | `bool` | | |
| alarm_rc_lost | `bool` | | |
| arming_failsafe_custom | `bool` | | |
| arming_fmu_armed | `bool` | | |
| arming_fmu_prearmed | `bool` | | |
| arming_termination | `bool` | | |
| arming_io_arm_ok | `bool` | | |
| arming_lockdown | `bool` | | |
| arming_termination_failsafe | `bool` | | |
| pwm | `uint16[8]` | | |
| pwm_disarmed | `uint16[8]` | | |
| pwm_failsafe | `uint16[8]` | | |
| pwm_rate_hz | `uint16[8]` | | |
| raw_inputs | `uint16[18]` | | |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/Px4ioStatus.msg)
::: details Click here to see original file
```c
uint64 timestamp # time since system start (microseconds)
@@ -46,5 +93,6 @@ uint16[8] pwm_failsafe
uint16[8] pwm_rate_hz
uint16[18] raw_inputs
```
:::