SDF Trigger Conditions

This page documents the meaning of the trigger conditions that can defined in a Digitrax SDF instruction.

TRIG_NEVER

Never triggers. This can be used to disable part of a SDF file.

TRIG_MODE_CHNG

TRIG_MATH

TRIG_DISTANCE

TRIG_SPD_INC

Triggers when the motor speed is increased.

TRIG_SPD_DEC

Triggers when the motor speed is decreased.

TRIG_CAM

Triggers on either the actual cam input, or the autochuff mechanism.

TRIG_NOT_TRIG

Function 0 On

Triggers when DCC function 0 is on.

Function 28 On

TRIG_DIRNOW_CHNG

Triggers when the direction of the motor is changed.

TRIG_MOVING

If the motor is currently running at a non-zero speed.

TRIG_SND_ACTV11

Function 11

TRIG_BSC0

Triggers when a "binary state change" DCC packet is received for BSC 0.

TRIG_BSC7

TRIG_IN_0

Trigger when the input connection goes active, usually used for a chuff input.

TRIG_IN_7

TRIG_NOTCH_CHNG

TRIG_TIME_16PPS

Triggers 16 times per second.

TRIG_FACTORY_CVRESET

TRIG_OPSPROGWR_CV

Triggers when a CV is written in ops mode (on the main).

TRIG_SCAT0

TRIG_SCAT7

T_SPD_MUTE

T_SPD_TURNON

T_SPD_IDLE

T_SPD_ACCEL1

T_SPD_ACC_CHNG

T_SPD_ACCEL2

T_SPD_IDLEXIT

T_SPD_RUN

T_SPD_DECEL1

T_SPD_DEC_CHNG

T_SPD_DECEL2

T_SPD_DEC_IDLE

T_SPD_TURNOFF

T_SPD_DEC_SP1

T_SPD_DEC_SP2

T_SPD_DIR_CHNG

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