CHAPTER 2: GETTING STARTED
PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
990-083
2-9
To use REMOTE SCHEDULE SELECTION, connect three control lines from a user supplied, normally
open contact to the EXTERNAL INPUTS connector, Pins 1, 2, and 3. Schedules are selected by
shorting across Pins 6, 7, 8, or 9 and the appropriate pins coded to the BCD (binary coded decimal)
pattern shown in table 2-1 and figure 2-7.
Table 2-1. Remote Schedule Selection BCD Code
Input Pin Numbers
1 (2
0
)
2 (2
1
)
3 (2
2
)
Schedule
0
0
0
Front Panel Control
*1
0
0
#1
0
1
0
#2
1
1
0
#3
0
0
1
#4
1
0
1
#5
0
1
1
#6
1
1
1
#7
* 1 = Switch Closure
2
0
2
1
2
2
COM
BCD Switch
1
2
3
6,7,8 or 9
COM
2
0
2
1
2
2
PM6
Figure 2-7. Remote Schedule Selection
via a BCD Coded Digital Thumbwheel Switch
