docs: clarify power on start usage

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
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Eric Callahan 2022-12-27 10:37:10 -05:00
parent 1999b82a86
commit 358aee956b
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1 changed files with 10 additions and 2 deletions

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@ -1174,8 +1174,10 @@ gcode:
Some users have their logic wired to a separate power supply from heaters,
fans, etc. This keeps Klipper in the "ready" state when power is removed
from such devices. It is possible to configure Klipper to power up such
devices when a print is started by overriding the `SDCARD_PRINT_FILE` gcode
command. The following example presumes that the user a `[power heaters]`
devices just before a print is started by overriding the `SDCARD_PRINT_FILE`
gcode command.
The following example presumes that the user a `[power heaters]`
device configured in `moonraker.conf`:
```ini
@ -1203,6 +1205,12 @@ gcode:
```
!!! Warning
The `SDCARD_PRINT_FILE` G-Code command will be executed when a Moonraker
forwards a request to start a print. Do not put this command in a G-Code
file or in a macro that is run from a G-Code file. This will result in an
`SD Busy` error and abort the print.
##### Force a power device to change state during a print