Watlow Electric 988 用户手册

WATLOW Series 988 User’s Manual

2.11

Installation and Wiring, Chapter 2

Figure 2.11a —

Digital Event Input 1

Available on all units.

open 14-36VÎ (dc) Event Input 1 off
closed 0-3VÎ (dc) Event Input 1 on

+24V

(dc)

10K

4.99K

OPTO
ISOLATOR

750

.01

4.99K

Internal Circuitry

NOTE:
Successful installa-
tion requires five
steps:
• Model number and
software choice
(

• DIP switch set-
tings (

• Sensor match
(

and

Appendix

• Sensor installation
(

Event Input 1 Wiring