Rockwell Automation 2080 Micro800 Digital and Analog Plug-in Modules - Manual (Page 35)

Rockwell Automation Publication 2080-UM004B-EN-E - December 2013 27
High Speed Counter – 2080-MOT-HSC Appendix 4
Up Counter
Pulses on A will cause the up counter (Counter 0). Also Pulses on B will cause the
up counter (Counter 1).
Counter with External Direction
Pulses on A cause the counter to increment when B is low and decrement when B
is high. When B is open or undriven, the counter will increment. See
Pulse
External Direction Counting on page 28 .
11 Quadrature X2 counter (phased inputs A and B) with external reset and hold.
12 Down Counter.
13 Down Counter with external reset and hold.
Input Operational Modes
Mode Description
Input A
Input B
Input Z
Encoder or Sensor
Increment Pulse
(count up)
1 2 3 4 5 6 7 8
Counter 0
(Input A)
PresentCount 1
Encoder or Sensor
Increment Pulse
(count up)