PX4 parameter group: Commander

This page lists named parameter set commands in the PX4 Commander group. All commands use PARAM_SET and are governed by PX4_COMMAND_MODE, operator guard, and PX4_PARAMETER_WRITE_ALLOWLIST.

Metric	Count
Parameters	73
`FLOAT`	19
`INT32`	54
`Standard`	64
`System`	9
`Developer`	0
Reboot required	2
`volatile`	9

Parameters

PX4 Parameter	Command type	Category	Type	Default	Range	Unit	Shape	Reboot	Volatile	PX4 short description
`COM_ACT_FAIL_ACT`	`px4.parameter.com_act_fail_act.set`	Standard	Int32	0	-	-	enum 5	no	no	Set the actuator failure failsafe mode
`COM_ARMABLE`	`px4.parameter.com_armable.set`	Standard	Int32	1	-	-	enum 2	no	no	Flag to allow arming
`COM_ARM_AUTH_ID`	`px4.parameter.com_arm_auth_id.set`	Standard	Int32	10	-	-	-	no	no	Arm authorizer system id
`COM_ARM_AUTH_MET`	`px4.parameter.com_arm_auth_met.set`	Standard	Int32	0	-	-	enum 2	no	no	Arm authorization method
`COM_ARM_AUTH_REQ`	`px4.parameter.com_arm_auth_req.set`	Standard	Int32	0	-	-	enum 2	no	no	Require arm authorization to arm
`COM_ARM_AUTH_TO`	`px4.parameter.com_arm_auth_to.set`	Standard	Float	1.0	-	s	-	no	no	Arm authorization timeout
`COM_ARM_BAT_MIN`	`px4.parameter.com_arm_bat_min.set`	Standard	Float	-1.0	-1.0..0.9	norm	-	no	no	Minimum battery level for arming
`COM_ARM_CHK_ESCS`	`px4.parameter.com_arm_chk_escs.set`	Standard	Int32	0	-	-	enum 2	no	no	Enable checks on ESCs that report telemetry
`COM_ARM_HFLT_CHK`	`px4.parameter.com_arm_hflt_chk.set`	Standard	Int32	1	-	-	enum 2	no	no	Enable FMU SD card hardfault / watchdog detection check
`COM_ARM_IMU_ACC`	`px4.parameter.com_arm_imu_acc.set`	Standard	Float	0.7	0.1..1.0	m/s^2	-	no	no	Max accelerometer inconsistency for arming
`COM_ARM_IMU_GYR`	`px4.parameter.com_arm_imu_gyr.set`	Standard	Float	0.25	0.02..0.3	rad/s	-	no	no	Max rate gyro inconsistency for arming
`COM_ARM_MAG_ANG`	`px4.parameter.com_arm_mag_ang.set`	Standard	Int32	60	3..180	deg	-	no	no	Max magnetic field inconsistency for arming
`COM_ARM_MAG_STR`	`px4.parameter.com_arm_mag_str.set`	Standard	Int32	2	-	-	enum 3	no	no	Enable mag strength preflight check
`COM_ARM_MIS_REQ`	`px4.parameter.com_arm_mis_req.set`	Standard	Int32	0	-	-	enum 2	no	no	Require valid mission to arm
`COM_ARM_ODID`	`px4.parameter.com_arm_odid.set`	Standard	Int32	0	-	-	enum 6	no	no	Open Drone ID system check and in-flight failsafe
`COM_ARM_ON_BOOT`	`px4.parameter.com_arm_on_boot.set`	Standard	Int32	0	-	-	enum 2	yes	no	Arm automatically on boot
`COM_ARM_SWISBTN`	`px4.parameter.com_arm_swisbtn.set`	Standard	Int32	0	-	-	enum 2	no	no	Arm switch is a momentary button
`COM_ARM_TRAFF`	`px4.parameter.com_arm_traff.set`	Standard	Int32	0	-	-	enum 4	no	no	Enable Traffic Avoidance system detection check
`COM_ARM_WO_GPS`	`px4.parameter.com_arm_wo_gps.set`	Standard	Int32	1	-	-	enum 3	no	no	Arming without GNSS configuration
`COM_CPU_MAX`	`px4.parameter.com_cpu_max.set`	Standard	Float	95.0	-1.0..100.0	%	-	no	no	Maximum allowed CPU load to still arm
`COM_DISARM_LAND`	`px4.parameter.com_disarm_land.set`	Standard	Float	2.0	-	s	-	no	no	Time-out for auto disarm after landing
`COM_DISARM_PRFLT`	`px4.parameter.com_disarm_prflt.set`	Standard	Float	10.0	-	s	-	no	no	Time-out for auto disarm if not taking off
`COM_DLL_EXCEPT`	`px4.parameter.com_dll_except.set`	Standard	Int32	0	0..31	-	bitmask 5	no	no	Datalink loss exceptions
`COM_DL_LOSS_T`	`px4.parameter.com_dl_loss_t.set`	Standard	Int32	10	5..300	s	-	no	no	GCS connection loss time threshold
`COM_FAIL_ACT_T`	`px4.parameter.com_fail_act_t.set`	Standard	Float	5.0	0.0..25.0	s	-	no	no	Delay between failsafe condition triggered and failsafe reaction
`COM_FLIGHT_UUID`	`px4.parameter.com_flight_uuid.set`	System	Int32	0	>= 0	-	-	no	yes	Next flight UUID
`COM_FLTMODE1`	`px4.parameter.com_fltmode1.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 1
`COM_FLTMODE2`	`px4.parameter.com_fltmode2.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 2
`COM_FLTMODE3`	`px4.parameter.com_fltmode3.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 3
`COM_FLTMODE4`	`px4.parameter.com_fltmode4.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 4
`COM_FLTMODE5`	`px4.parameter.com_fltmode5.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 5
`COM_FLTMODE6`	`px4.parameter.com_fltmode6.set`	Standard	Int32	-1	-	-	enum 24	no	no	Mode slot 6
`COM_FLTT_LOW_ACT`	`px4.parameter.com_fltt_low_act.set`	Standard	Int32	0	-	-	enum 3	no	no	Remaining flight time low failsafe
`COM_FLT_TIME_MAX`	`px4.parameter.com_flt_time_max.set`	Standard	Int32	-1	>= -1	s	-	no	no	Maximum allowed flight time
`COM_FORCE_SAFETY`	`px4.parameter.com_force_safety.set`	Standard	Int32	0	-	-	enum 2	no	no	Enable force safety
`COM_GNSSLOSS_ACT`	`px4.parameter.com_gnssloss_act.set`	Standard	Int32	0	-	-	enum 4	no	no	GNSS loss failsafe mode
`COM_HLDL_LOSS_T`	`px4.parameter.com_hldl_loss_t.set`	Standard	Int32	120	60..3600	s	-	no	no	High Latency Datalink loss time threshold
`COM_HOME_EN`	`px4.parameter.com_home_en.set`	Standard	Int32	1	-	-	enum 2	yes	no	Home position enabled
`COM_HOME_IN_AIR`	`px4.parameter.com_home_in_air.set`	Standard	Int32	0	-	-	enum 2	no	no	Allows setting the home position after takeoff
`COM_LOW_BAT_ACT`	`px4.parameter.com_low_bat_act.set`	Standard	Int32	0	-	-	enum 3	no	no	Battery failsafe mode
`COM_MODE0_HASH`	`px4.parameter.com_mode0_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 0
`COM_MODE1_HASH`	`px4.parameter.com_mode1_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 1
`COM_MODE2_HASH`	`px4.parameter.com_mode2_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 2
`COM_MODE3_HASH`	`px4.parameter.com_mode3_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 3
`COM_MODE4_HASH`	`px4.parameter.com_mode4_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 4
`COM_MODE5_HASH`	`px4.parameter.com_mode5_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 5
`COM_MODE6_HASH`	`px4.parameter.com_mode6_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 6
`COM_MODE7_HASH`	`px4.parameter.com_mode7_hash.set`	System	Int32	0	-	-	-	no	yes	External mode identifier 7
`COM_MODE_ARM_CHK`	`px4.parameter.com_mode_arm_chk.set`	Standard	Int32	0	-	-	enum 2	no	no	Allow external mode registration while armed
`COM_OBL_RC_ACT`	`px4.parameter.com_obl_rc_act.set`	Standard	Int32	0	-	-	enum 8	no	no	Set offboard loss failsafe mode
`COM_OF_LOSS_T`	`px4.parameter.com_of_loss_t.set`	Standard	Float	1.0	0.0..60.0	s	-	no	no	Offboard connection loss timeout
`COM_PARACHUTE`	`px4.parameter.com_parachute.set`	Standard	Int32	0	-	-	enum 4	no	no	Parachute requirement and failsafe
`COM_POS_FS_EPH`	`px4.parameter.com_pos_fs_eph.set`	Standard	Float	5.0	-1.0..400.0	m	-	no	no	Horizontal position error threshold for hovering systems
`COM_POS_LOW_ACT`	`px4.parameter.com_pos_low_act.set`	Standard	Int32	3	-	-	enum 6	no	no	Low position accuracy action
`COM_POS_LOW_EPH`	`px4.parameter.com_pos_low_eph.set`	Standard	Float	-1.0	-1.0..1000.0	m	-	no	no	Low position accuracy failsafe threshold
`COM_POWER_COUNT`	`px4.parameter.com_power_count.set`	Standard	Int32	1	0..4	-	-	no	no	Required number of redundant power modules
`COM_PREARM_MODE`	`px4.parameter.com_prearm_mode.set`	Standard	Int32	0	-	-	enum 3	no	no	Condition to enter prearmed mode
`COM_QC_ACT`	`px4.parameter.com_qc_act.set`	Standard	Int32	0	-	-	enum 4	no	no	Set action after a quadchute
`COM_RAM_MAX`	`px4.parameter.com_ram_max.set`	Standard	Float	95.0	-1.0..100.0	%	-	no	no	Maximum allowed RAM usage to pass checks
`COM_RCL_EXCEPT`	`px4.parameter.com_rcl_except.set`	Standard	Int32	0	0..31	-	bitmask 5	no	no	Manual control loss exceptions
`COM_RC_IN_MODE`	`px4.parameter.com_rc_in_mode.set`	Standard	Int32	3	-	-	enum 9	no	no	Manual control input source configuration
`COM_RC_LOSS_T`	`px4.parameter.com_rc_loss_t.set`	Standard	Float	0.5	0.0..35.0	s	-	no	no	Manual control loss timeout
`COM_RC_OVERRIDE`	`px4.parameter.com_rc_override.set`	Standard	Int32	1	0..3	-	bitmask 2	no	no	Enable manual control stick override
`COM_RC_STICK_OV`	`px4.parameter.com_rc_stick_ov.set`	Standard	Float	30.0	5.0..80.0	%	-	no	no	Stick override threshold
`COM_SPOOLUP_TIME`	`px4.parameter.com_spoolup_time.set`	Standard	Float	1.0	0.0..30.0	s	-	no	no	Enforced delay between arming and further navigation
`COM_THROW_EN`	`px4.parameter.com_throw_en.set`	Standard	Int32	0	-	-	enum 2	no	no	Enable throw-start
`COM_THROW_SPEED`	`px4.parameter.com_throw_speed.set`	Standard	Float	5.0	>= 0.0	m/s	-	no	no	Minimum speed for the throw start
`COM_VEL_FS_EVH`	`px4.parameter.com_vel_fs_evh.set`	Standard	Float	1.0	>= 0.0	m/s	-	no	no	Horizontal velocity error threshold
`COM_WIND_MAX`	`px4.parameter.com_wind_max.set`	Standard	Float	-1.0	>= -1.0	m/s	-	no	no	High wind speed failsafe threshold
`COM_WIND_MAX_ACT`	`px4.parameter.com_wind_max_act.set`	Standard	Int32	0	-	-	enum 6	no	no	High wind failsafe mode
`COM_WIND_WARN`	`px4.parameter.com_wind_warn.set`	Standard	Float	-1.0	>= -1.0	m/s	-	no	no	Wind speed warning threshold
`NAV_DLL_ACT`	`px4.parameter.nav_dll_act.set`	Standard	Int32	0	-	-	enum 6	no	no	Set GCS connection loss failsafe mode
`NAV_RCL_ACT`	`px4.parameter.nav_rcl_act.set`	Standard	Int32	2	-	-	enum 5	no	no	Set manual control loss failsafe mode

​PX4 parameter group: Commander

​Parameters

PX4 parameter group: Commander

Parameters