LEDs by number

This document describes the UCCNC software LED screen objects.

Each LED represents an internal boolean variable of the UCNC software.

The LEDs' logic state can be read in macro code.

This documentation lists all the accessible LED variables.

LED number	LED name	Description
1	OutputPT1PN1	Indicates the actual logic state of port#1 pin#1.
2	OutputPT1PN2	Indicates the actual logic state of port#1 pin#2.
3	OutputPT1PN3	Indicates the actual logic state of port#1 pin#3.
4	OutputPT1PN4	Indicates the actual logic state of port#1 pin#4.
5	OutputPT1PN5	Indicates the actual logic state of port#1 pin#5.
6	OutputPT1PN6	Indicates the actual logic state of port#1 pin#6.
7	OutputPT1PN7	Indicates the actual logic state of port#1 pin#7.
8	OutputPT1PN8	Indicates the actual logic state of port#1 pin#8.
9	OutputPT1PN9	Indicates the actual logic state of port#1 pin#9.
10	OutputPT1PN10	Indicates the actual logic state of port#1 pin#10.
11	OutputPT1PN11	Indicates the actual logic state of port#1 pin#11.
12	OutputPT1PN12	Indicates the actual logic state of port#1 pin#12.
13	OutputPT1PN13	Indicates the actual logic state of port#1 pin#13.
14	OutputPT1PN14	Indicates the actual logic state of port#1 pin#14.
15	OutputPT1PN15	Indicates the actual logic state of port#1 pin#15.
16	OutputPT1PN16	Indicates the actual logic state of port#1 pin#16.
17	OutputPT1PN17	Indicates the actual logic state of port#1 pin#17.
18	Idle	Indicates the Idle state of the device.
19	Run	Indicates a run state of the device. This is the opposite of the Idle state.
20	Jog	Active when a jog command is being executed.
21	Dwell	Indicates a dwell in progress.
22	Backlash	Active when the backlash compensation is being executed.
23	Home	Active when the homing command is being executed.
24	Probing	Active when the probing command is being executed.
25	Reset	Indicates an active reset signal.
26	Hardlimit	Active when any of the configured limit inputs are triggered.
27	Limitsoverride	Active if the limits are overriden by the user.
28	Toolchangeinprogress	Active when a tool change macro is being executed.
29	Xlimitpositive	Active when the X-axis positive side limit switch is triggered.
30	Ylimitpositive	Active when the Y-axis positive side limit switch is triggered.
31	Zlimitpositive	Active when the Z-axis positive side limit switch is triggered.
32	Alimitpositive	Active when the A-axis positive side limit switch is triggered.
33	Blimitpositive	Active when the B-axis positive side limit switch is triggered.
34	Climitpositive	Active when the C-axis positive side limit switch is triggered.
35	Index	Active when the index input is triggered.
36	Estop	Active when the estop input is triggered.
37	Probe	Active when the probe input is triggered.
38	Xlimitnegative	Active when the X-axis negative side limit switch is triggered.
39	Ylimitnegative	Active when the Y-axis negative side limit switch is triggered.
40	Zlimitnegative	Active when the Z-axis negative side limit switch is triggered.
41	Alimitnegative	Active when the A-axis negative side limit switch is triggered.
42	Blimitnegative	Active when the B-axis negative side limit switch is triggered.
43	Climitnegative	Active when the C-axis negative side limit switch is triggered.
44	Xhome	Active when then X-axis home input is triggered.
45	Yhome	Active when then Y-axis home input is triggered.
46	Zhome	Active when then Z-axis home input is triggered.
47	Ahome	Active when then A-axis home input is triggered.
48	Bhome	Active when then B-axis home input is triggered.
49	Chome	Active when then C-axis home input is triggered.
50	SpindleCW	Active when the spindle is rotating Clockwise.
51	SpindleCCW	Active when the spindle is rotating Counter-clockwise
52	Miston	Active when the mist coolant is on.
53	Floodon	Active when the flood coolant is on.
54	Cyclestart	Active when a G-code execution cycle is in progress.
55	Runsingleline	Active when a Single line G-code execution cycle is in progress.
56	Xhomed	Active when the X-axis was already homed.
57	Yhomed	Active when the Y-axis was already homed.
58	Zhomed	Active when the Z-axis was already homed.
59	Ahomed	Active when the A-axis was already homed.
60	Bhomed	Active when the B-axis was already homed.
61	Chomed	Active when the C-axis was already homed.
62	Machinecoords	Active when the machine coordinate system is selected to view in the position DROs.
63	THCon	Active when the THC on physical input is active.
64	THCup	Active when the THC up physical input is active.
65	THCdown	Active when the THC down physical input is active.
66	THCenabled	Active when the THC control is enabled.
67	Softlimitsenabled	Active when the Software limit function is enabled.
68	THCdelay	Active when the THC delay is ongoing.
69	OutputPT2PN1	Indicates the actual logic state of port#2 pin#1.
70	OutputPT2PN2	Indicates the actual logic state of port#2 pin#2.
71	OutputPT2PN3	Indicates the actual logic state of port#2 pin#3.
72	OutputPT2PN4	Indicates the actual logic state of port#2 pin#4.
73	OutputPT2PN5	Indicates the actual logic state of port#2 pin#5.
74	OutputPT2PN6	Indicates the actual logic state of port#2 pin#6.
75	OutputPT2PN7	Indicates the actual logic state of port#2 pin#7.
76	OutputPT2PN8	Indicates the actual logic state of port#2 pin#8.
77	OutputPT2PN9	Indicates the actual logic state of port#2 pin#9.
78	OutputPT2PN10	Indicates the actual logic state of port#2 pin#10.
79	OutputPT2PN11	Indicates the actual logic state of port#2 pin#11.
80	OutputPT2PN12	Indicates the actual logic state of port#2 pin#12.
81	OutputPT2PN13	Indicates the actual logic state of port#2 pin#13.
82	OutputPT2PN14	Indicates the actual logic state of port#2 pin#14.
83	OutputPT2PN15	Indicates the actual logic state of port#2 pin#15.
84	OutputPT2PN16	Indicates the actual logic state of port#2 pin#16.
85	OutputPT2PN17	Indicates the actual logic state of port#2 pin#17.
86	OutputPT3PN1	Indicates the actual logic state of port#3 pin#1.
87	OutputPT3PN2	Indicates the actual logic state of port#3 pin#2.
88	OutputPT3PN3	Indicates the actual logic state of port#3 pin#3.
89	OutputPT3PN4	Indicates the actual logic state of port#3 pin#4.
90	OutputPT3PN5	Indicates the actual logic state of port#3 pin#5.
91	OutputPT3PN6	Indicates the actual logic state of port#3 pin#6.
92	OutputPT3PN7	Indicates the actual logic state of port#3 pin#7.
93	OutputPT3PN8	Indicates the actual logic state of port#3 pin#8.
94	OutputPT3PN9	Indicates the actual logic state of port#3 pin#9.
95	OutputPT3PN10	Indicates the actual logic state of port#3 pin#10.
96	OutputPT3PN11	Indicates the actual logic state of port#3 pin#11.
97	OutputPT3PN12	Indicates the actual logic state of port#3 pin#12.
98	OutputPT3PN13	Indicates the actual logic state of port#3 pin#13.
99	OutputPT3PN14	Indicates the actual logic state of port#3 pin#14.
100	OutputPT3PN15	Indicates the actual logic state of port#3 pin#15.
101	OutputPT3PN16	Indicates the actual logic state of port#3 pin#16.
102	OutputPT3PN17	Indicates the actual logic state of port#3 pin#17.
103	OutputPT4PN1	Indicates the actual logic state of port#4 pin#1.
104	OutputPT4PN2	Indicates the actual logic state of port#4 pin#2.
105	OutputPT4PN3	Indicates the actual logic state of port#4 pin#3.
106	OutputPT4PN4	Indicates the actual logic state of port#4 pin#4.
107	OutputPT4PN5	Indicates the actual logic state of port#4 pin#5.
108	OutputPT4PN6	Indicates the actual logic state of port#4 pin#6.
109	OutputPT4PN7	Indicates the actual logic state of port#4 pin#7.
110	OutputPT4PN8	Indicates the actual logic state of port#4 pin#8.
111	OutputPT4PN9	Indicates the actual logic state of port#4 pin#9.
112	OutputPT4PN10	Indicates the actual logic state of port#4 pin#10.
113	OutputPT4PN11	Indicates the actual logic state of port#4 pin#11.
114	OutputPT4PN12	Indicates the actual logic state of port#4 pin#12.
115	OutputPT4PN13	Indicates the actual logic state of port#4 pin#13.
116	OutputPT4PN14	Indicates the actual logic state of port#4 pin#14.
117	OutputPT4PN15	Indicates the actual logic state of port#4 pin#15.
118	OutputPT4PN16	Indicates the actual logic state of port#4 pin#16.
119	OutputPT4PN17	Indicates the actual logic state of port#4 pin#17.
120	OutputPT5PN1	Indicates the actual logic state of port#5 pin#1.
121	OutputPT5PN2	Indicates the actual logic state of port#5 pin#2.
122	OutputPT5PN3	Indicates the actual logic state of port#5 pin#3.
123	OutputPT5PN4	Indicates the actual logic state of port#5 pin#4.
124	OutputPT5PN5	Indicates the actual logic state of port#5 pin#5.
125	OutputPT5PN6	Indicates the actual logic state of port#5 pin#6.
126	OutputPT5PN7	Indicates the actual logic state of port#5 pin#7.
127	OutputPT5PN8	Indicates the actual logic state of port#5 pin#8.
128	OutputPT5PN9	Indicates the actual logic state of port#5 pin#9.
129	OutputPT5PN10	Indicates the actual logic state of port#5 pin#10.
130	OutputPT5PN11	Indicates the actual logic state of port#5 pin#11.
131	OutputPT5PN12	Indicates the actual logic state of port#5 pin#12.
132	OutputPT5PN13	Indicates the actual logic state of port#5 pin#13.
133	OutputPT5PN14	Indicates the actual logic state of port#5 pin#14.
134	OutputPT5PN15	Indicates the actual logic state of port#5 pin#15.
135	OutputPT5PN16	Indicates the actual logic state of port#5 pin#16.
136	OutputPT5PN17	Indicates the actual logic state of port#5 pin#17.
137	MPGAPIN	Indicates the logic state of the MPG A pin.
138	MPGBPIN	Indicates the logic state of the MPG B pin.
139	EnableXaxis	On when the enable output of the X axis is active
140	EnableYaxis	On when the enable output of the Y axis is active
141	EnableZaxis	On when the enable output of the Z axis is active
142	EnableAaxis	On when the enable output of the A axis is active
143	EnableBaxis	On when the enable output of the B axis is active
144	EnableCaxis	On when the enable output of the C axis is active
145	Jogmodecontinous	On when the continous jog mode is selected.
146	Jogmodestep	On when the step jog mode is selected.
147	R*
148	Jograte0001	On when the step jog rate is set to 0.001 units.
149	Jograte0010	On when the step jog rate is set to 0.01 units.
150	Jograte0100	On when the step jog rate is set to 0.1 units.
151	Jograte1000	On when the step jog rate is set to 1 units.
152	MPGmodecont	On when the MPG continous mode is selected.
153	MPGmodesingle	On when the MPG single mode is selected.
154	MPGmodemulti	On when the MPG multi mode is selected.
155	MPGXaxisselect	On when the X axis is selected for the MPG jog.
156	MPGYaxisselect	On when the Y axis is selected for the MPG jog.
157	MPGZaxisselect	On when the Z axis is selected for the MPG jog.
158	MPGAaxisselect	On when the A axis is selected for the MPG jog.
159	MPGBaxisselect	On when the B axis is selected for the MPG jog.
160	MPGCaxisselect	On when the C axis is selected for the MPG jog.
161 - 211	TABlayervisible	On when the tab layer is visible. The layer number selected is the LED code - 161, so the 161. LED code is for the tab layer 0. and the 211. LED code is for the 50. tab layer. Note: When more than one tab layer is visible, for example if a tab layer has a sub-tab layer which is also visible then both LED codes are active.
212	Offlinemode	On when the offline mode is active.
213	Sync_thread	Active when a syncronous thread cutting is in execution.
214	EncoderApin	Indicates the logic state of the Encoder A pin.
215	EncoderBpin	Indicates the logic state of the Encoder B pin.
216	MDIrunning	On when an MDI command is in progress.
217	Feedhold	On when the feedhold button is avtice.
218	Isdemomode	On if the software is running in demo mode.
219	Laserdataloaded	On if a laser data object is loaded to the memory for laser engraving.
220	Laserrunning	On when a laser engraving is in progress using the laser data object.
221	OutputPT5PN26	Indicates the actual logic state of port#5 pin#26. (M44 motherboard only.)
222	OutputPT5PN27	Indicates the actual logic state of port#5 pin#27. (M44 motherboard only.)
223	OutputPT5PN28	Indicates the actual logic state of port#5 pin#28. (M44 motherboard only.)
224	OutputPT5PN29	Indicates the actual logic state of port#5 pin#29. (M44 motherboard only.)
225	OutputPT5PN30	Indicates the actual logic state of port#5 pin#30. (M44 motherboard only.)
226	OutputPT5PN31	Indicates the actual logic state of port#5 pin#31. (M44 motherboard only.)
227	OutputPT5PN32	Indicates the actual logic state of port#5 pin#32. (M44 motherboard only.)
228	OutputPT5PN33	Indicates the actual logic state of port#5 pin#33. (M44 motherboard only.)
229	M0stopactive	Indicates that the M0 stop is active.
230	M1stopactive	Indicates that the M1 stop is active.
231	M60stopactive	Indicates that the M60 stop is active.
232	Pause	On when any of the M0 or M1 or M60 stop mode is active.
233	THCAntidiveactive	On when in THC control and the Anti diving happens.
234	OutputPT1PN94	Indicates the actual logic state of port#1 pin#94. (5441 motherboard only.)
235	OutputPT1PN95	Indicates the actual logic state of port#1 pin#95. (5441 motherboard only.)
236	MPGJogOn	Indicates that the MPG jogging is active.
237	THCarcon_emulation	Indicates that the THCarcon emulation signal is active.
238	THCup_emulation	Indicates that the THCup emulation signal is active.
239	THCdown_emulation	Indicates that the THCdown emulation signal is active.
240	THCantidiveenabled	On when the THC anti dive function is enabled.
241	THCdelayenabled	On when the THC delay function is enabled.
242	THCantidownenabled	On when the THC anti down function is enabled.
243	SafeProbeModeactive	On when the SafeProbeMode is active. The safe probe mode actives the Reset if the probe goes on when not probing.
244	ProbedOK	On if the last probing (G31) was finished with a probe touch, off if the last probing did not end with a touch.
245	Digitizing	On when the M40 digitizing command is active.
246	JogSafeProbeModeactive	On when the JogSafeProbeMode is active. The jog safe probe mode stops the jog motion if the probe goes on while jogging.
247	M1optionalstopenabled	On when the M1 optional stop is enabled
248	ScaleXactive	On when the X axis scaling differs from value 1.
249	ScaleYactive	On when the Y axis scaling differs from value 1.
250	ScaleZactive	On when the Z axis scaling differs from value 1.
251	ScaleAactive	On when the A axis scaling differs from value 1.
252	ScaleBactive	On when the B axis scaling differs from value 1.
253	ScaleCactive	On when the C axis scaling differs from value 1.
254	G68Rotationactive	On when the G68 rotation is active.
255	TCPfollowmodeactive	On when the toolpath TCP follow mode is active.
256	FROdisabled	On if the feedrate override control (FRO) is disabled.
257	SROdisabled	On if the spindle speed override control (SRO) is disabled.
258	FROover100	On if the FRO is over 100%
259	FROunder100	On if the FRO is under 100%
260	SROover100	On if the SRO is over 100%
261	SROunder100	On if the SRO is under 100%
262	Proberadiusdisabled	On if the probe radius compensation in the digitizing settings is disabled.
263	Rapidmovementselected	Warning LED that rapid G0 code is selected.
264	Cameracaptureon	On when the camera is activated.
265	Cameragrayscalefilteron	On when the camera grayscale filter is activated.
266	Cameraedgefilteron	On when the camera edge filter is activated.
267	Cameratargetlineon	On when the camera target line is shown.
268	Softlimitactive	On if any of the machine axis reached the softlimit.
269	Cameraimageinverton	On when the camera image invertion filter is activated.
270-299	R*
300	ProbeError	On if probe was not successful on probe screen
301	ProbePaused	On if probe is paused or question needs to be confirmed
302	Axis1Disable	On if Axis1 cannot be selected on probe screen
303	Axis2Disable	On if Axis2 cannot be selected on probe screen
304	Axis3Disable	On if AxisC cannot be selected on probe screen
305	TouchProbeWpCoordsSaved	On if workpiece probe position is saved
306	MobileProbeCoordsSaved	On if mobile probe position is saved
307	FixedProbeCoordsSaved	On if fixed probe position is saved
308	MobileWpReferenced	On if workpiece is referenced to mobile probe
309	FixedWpReferenced	On if workpiece is referenced to fixed probe.

R* = Reserved address, do not use this address.