Device Button

Button in TwinCAT

This page is generated from the machine handoff and the TwinCAT solution. Published from _docs/context/devices/button.md — edit it there, not here. Changes made in the wiki are overwritten on the next sync.

2 instances. What this device type is - its authored description, its bit layout, the full instance list with twin paths - is in the main repo: Button. This page states only what TwinCAT makes of it.

Control function blocks

Control FB	Instances
FB_IlluminatedButton	2

FB_IlluminatedButton

Process-image member	Dir	Type	Channels
HardwareInput	IN	BOOL	1
LampOutput	OUT	BOOL	1

Published to the HMI: HMI : ST_IlluminatedButton_HMI

Instances

Symbol	Group	Control PLC path	Control FB
SS_EStop1	FG_System	MAIN.Machine.FG_System.SS_EStop1	FB_IlluminatedButton
SS_EStop2	FG_System	MAIN.Machine.FG_System.SS_EStop2	FB_IlluminatedButton