Download Mach3 CNC Controller Software Installation and Configuration

Transcript
4.14 Sample Schematic of EStop and Limits Using
Relays
1N4001
Computer or breakout +5 Volts
RLA
From Enable or charge
pump circuit (active Hi)
330Ω
330Ω
Mach OK
LED
To EStop input
(active Lo)
7406
4.7KΩ
RLB/1
Computer or breakout 0 Volts
Control positive (12 Volts)
Interface
Reset
+ Limit
+ Limit
+ Limit
+ Limit
EStop1
RLB/2
– Limit
– Limit
– Limit
– Limit
820Ω
RLB
Interface
OK LED
1N4001
EStop2
Control 0 Volts
Contactor positive (could be same as Control supply)
RLA/1
RLB/3
C1
Contactor 0 Volts
4-24
C2
C3
1N4001
C1/1 C2/1 C3/1
C3/2