Watlow Series 982 - Manual (Page 20)

2 . 1 0 WATLOW Series 982 User’s Manual Installation and Wiring, Chapter 2
Figure 2.10 —
Digital Event Input 1
Available on all units.
14-36VÎ (dc) Event Input 1 off (open)
0-3VÎ (dc) Event Input 1 on (closed)
23 24
+ -
24 23
+24VÎ (dc)
10K Ω
4.99K Ω
OPTO
ISOLATOR
750 Ω
.01 µf
4.99K Ω
Internal Circuitry
˜
NOTE:
Successful installa-
tion requires five
steps:
• Model number and
software choice
(Appendix);
• DIP switch set-
tings (Chapter 1);
• Sensor match
(Chapter 2 and
Appendix);
• Sensor installation
(Chapter 2); and
• Wiring (Chapter 2).
Event Input 1 Wiring