Hardware reference guide

Intelligent/Special Purpose
35013379 11/2011 341
Wiring Diagram 2
The following figure shows the EHC20200 wiring diagram 2.
NOTE: Notes on Wiring Diagram 2
1. Differential pulse input.
2. Constant enable.
3. Zero pulse resets outputs 1A and 1B.
4. Count up.
5. Outputs a and B operate relays.
6. Counter 2 not used.
7. N/C = Not Connected.