Things that trip Stop1Action:
	LimitAction
	dio.stopDI[1]		'Stop 1 action sequence'

Things that trip Stop2Action:
	LimitAction
	dio.stopDI[2]		'Stop 2 action sequence'

Things that trip Stop2Action:
	LimitAction
	dio.stopDI[3]		'Stop 3 action sequence'
	dio.estopChainDI	'E-stop chain status'
	dio.svcEstopDI[1]	'X S/V Ctlr e-stop'
	dio.svcEstopDI[2]	'Y S/V Ctlr e-stop'
	dio.svcEstopDI[3]	'Z S/V Ctlr e-stop'
	dio.dlgEstopDI		'Data Logger e-stop'
	dio.docEstopDI		'Data Output Ctlr e-stop'
