Parker Hannifin manual 18 HD65 & HD130 Stepper Drives User Guide, Protection Circuit

18 HD65 & HD130 STEPPER DRIVES USER GUIDE

		PROTECTION CIRCUIT
			Over-	Fault
			temp
			Over-	Output
Thermal
		Fault	load
Sensor
		Latch	Supply
Phase 1			Fault
Current	Over-
Phase 2				0V
	load
			Zero	Zero Phase
Current
	Comp.
			Phase	Output
-H.T.
-5V
+5V	Over-
+12V	volts
	Comp.
+24V

Figure 7. Simplified Protection Circuit