Owner's manual
2–30 Installation/Wiring
Figure 2.6 a
Option L4/L4E Wiring
19 20 21 22 23 24 25 26 27 28 29 30 31 32
AA
ENC
RET
ENC
12V
33 34 35 36
Typical
Typical
Isolated
+5V
Isolated
Ground
0.1µf 0.1µf
0.1µf
10.7k
470 470
12V
681
100
90.9
5V
JP4
IGND
10.7k
Contacts shown are general, refer to Figure 2.5 for
Input Mode selection and recommended contact types.
TB3
Option L4/L4E – Contact Closure Interface Board Requirements
Contacts must be capable of operating at 10 mA current levels
without signal degradation. Reed type input devices are
recommended.
The L4/L4E option is compatible with the following Allen-Bradley
PLC
modules:
• 1771-OYL
• 1771-OZL