Miller Electric D-74DX Sequence Parameters In a Program, Optional Dual Schedule Switch Diagrams

SECTION 7 − SETTING SEQUENCE PARAMETERS

7-1. Sequence Parameters In A Program

	Sequence		Parameters
		Volts	IPM	Seconds
1.	Preflow			0-9.9
2.	Run-In		X
3.	Start	X	X	0.00-5.00
4.	Weld	X	X	0-100.0
5.	Crater	X	X	0-5.00
6.	Burnback	X		0-0.25
7. Postflow				0-9.9
X = Setting available.

.For more information on

Sequence Push Button see Section 6-11.

If time is set to zero in Weld sequence, welding continues until gun trigger is released.

If time is set to zero in any timed sequence except Weld, the sequence is skipped.

				Weld Time
				Crater	Burnback
				Time	Time
Preflow		Start			Postflow
	Time	Time
					Time
						Time
	Run-In Start		Weld	Burnback
Preflow				Crater	Postflow	Sequence
Trigger				Trigger		End
Pressed				Released

SECTION 8 − SETTING DUAL SCHEDULE PARAMETERS

8-1. Optional Dual Schedule Switch Diagrams

	1		2
1 DSS-9	1		DSS-8 1
2	2	TR	2
			3
			B
A	3	A
			4
B	4

1Maint 2P (Maintained-Contact 2-Pole Switch)

2Maint 1P (Maintained-Contact 1-Pole Switch)

.Will not function with trigger

hold and dual schedule. A DSS-9 is recommended for this application.

OM-1500-7 Page 29