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The home and limit switches are inductive proximity sensors, three for each axis:
- Min Limit Switch
- Max Limit Switch
- Home Switch
Each axis has it's own D-SUB 9 connector with wires for these three sensors.
Inductive Proximity Sensor LJ12A3-4-Z/AY
Inductive Proximity Sensor LJ12A3-4-Z/AY
Wiring
Wiring
Cable color codes
Cable color codes
- Blue: Ground
- Brown: VCC
- Black: Signal
D-Sub Socket for each axis
D-Sub Socket for each axis
- Ground
- VCC (Field Power +24V)
- Singal: Negative Limit
- Signal: Positive Limit
- Signal: Home
- - 9. not connected
Terminal Block Schematic
Terminal Block Schematic
There is a tiny box for each axis to easily wire the sensors with the connection cable.
2. Positive limit switch
VCC-2 -> Brown SIG-2 -> Black GND-2 -> Blue3. Home switch
VCC-3 -> Brown SIG-3 -> Black GND-3 -> Blue(PCB Pin -> Cable Color/Nr)
1. Negative limit switch
VCC-1 -> Brown SIG-1 -> Black GND-1 -> BlueInput
GND -> DSUB #1 VCC -> DSUB #2 IN_SIG-1 -> DSUB #3 IN_SIG-2 -> DSUB #4 IN_SIG-3 -> DSUB #5Google Sites
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