---
name: "iocontrol"
section: "1"
platform: "linux"
package: "linuxcnc-uspace"
version: "1:2.9.4-2+deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/iocontrol"
---

# iocontrol(1)

interacts with HAL or G-code in non-realtime

## NAME

iocontrol - interacts with HAL or G-code in non-realtime

## SYNOPSIS

**\[EMCIO\]**\
 **EMCIO = io**\
 or\
 **EMCIO = iov2**

## DESCRIPTION

I/O control handles I/O tasks like coolant, toolchange, E-stop and lube. The signals are turned on and off in non-realtime with G-code or in the case of E-stop in HAL. \
 I/O Control V2 (iov2) adds more toolchager support for communication with the toolchanger.

Whether **io** or **iov2** is used can be chosen in the \[EMCIO\] section of the INI file.

See also  ⟨http://linuxcnc.org/docs/html/config/iov2.html⟩

## SEE ALSO

[**io**(1)](/io/1.md) [**iov2**(1)](/iov2/1.md)