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.TH IOCONTROL "1" "2007-08-25" "LinuxCNC Documentation" "HAL Component"
.de TQ
.br
.ns
.TP \\$1
..
.SH NAME
iocontrol \- accepts NML I/O commands, interacts with HAL in userspace
.SH SYNOPSIS
\fBloadusr io [-ini \fIinifile\fB]
.SH DESCRIPTION
These pins are created by the userspace IO controller, usually found in $LINUXCNC_HOME/bin/io
.P
The signals are turned on and off in userspace - if you have strict timing requirements or simply need more i/o, consider using the realtime synchronized i/o provided by \fBmotion\fR(9) instead.
.P
The inifile is searched for in the directory from which halcmd was run, unless an absolute path is specified.
.SH PINS
.TP
\fBiocontrol.0.coolant-flood
(Bit, Out) TRUE when flood coolant is requested
.TP
\fBiocontrol.0.coolant-mist
(Bit, Out) TRUE when mist coolant is requested
.TP
\fBiocontrol.0.emc-enable-in
(Bit, In) Should be driven FALSE when an external estop condition exists.
.TP
\fBiocontrol.0.lube
(Bit, Out) TRUE when lube is requested
.TP
\fBiocontrol.0.lube_level
(Bit, In) Should be driven FALSE when lubrication tank is empty.
.TP
\fBiocontrol.0.tool-change
(Bit, Out) TRUE when a tool change is requested
.TP
\fBiocontrol.0.tool-changed
(Bit, In) Should be driven TRUE when a tool change is completed.
.TP
\fBiocontrol.0.tool-number
(s32, Out) Current tool number
.TP
\fBiocontrol.0.tool-prep-number
(s32, Out) The number of the next tool, from the RS274NGC T-word
.TP
\fBiocontrol.0.tool-prep-pocket
(s32, Out) The pocket number (location in tool storage mechanism) of the next tool, as described in the tool table
.TP
\fBiocontrol.0.tool-prepare
(Bit, Out) TRUE when a T\fIn\fR tool prepare is requested
.TP
\fBiocontrol.0.tool-prepared
(Bit, In) Should be driven TRUE when a tool prepare is completed.
.TP
\fBiocontrol.0.user-enable-out
(Bit, Out) FALSE when an internal estop condition exists
.TP
\fBiocontrol.0.user-request-enable
(Bit, Out) TRUE when the user has requested that estop be cleared
.SH SEE ALSO
\fBmotion\fR(9)
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