2. Specifications
2.4. Counter Functions
Figure 3 – Up/Down Count Operation by Program Setting
b)
Up or down count operation by B-phase input signal
1-phase, 2-input, 1-multiplication operation mode: The counter counts A-
−
phase input pulses at the rising edge. B-phase input decides between up and down
count operations.
Table 12 – 1-Phase 2-Input 1-Multiplication Operation Mode
Up/Down classification
B-phase input pulse OFF
B-phase input pulse ON
Figure 4 – Up/Down Count Operation by B-phase Input Signal
1-phase, 2-input, 2-multiplication operation mode: The counter counts A-
−
phase input pulses at the rising and falling edge The B-phase input pulse decides
between up and down count operations.
36
2MLF-HO2A, 2MLF-HD2A High Speed Counter Module User's Guide
A-Phase input pulse rising
Up count
Down count
Honeywell
A-Phase input pulse falling
-
-
May 2010
R200