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2. Specifications
2.4. Counter Functions
38
2MLF-HO2A, 2MLF-HD2A High Speed Counter Module User's Guide
R200
Honeywell
May 2010
Figure 6 – 2-Phase, 1-Multiplication Operation Mode
b)
2-phase, 2-multiplication operation mode
: The counter counts A-phase
input pulse at rising and falling edges respectively.
−
If A-phase input precedes B-phase input pulse, up count operation starts at the
rising and falling edge of A-phase pulse input.
−
If B-phase input precedes A-phase input pulse, down count operation starts at the
rising and falling edge of A-phase input pulse.
Up/Down count
classification
A-Phase input pulse rising A-Phase input pulse falling
A-phase input pulse
precedes B
Up count
Up count
B-phase input pulse
precedes A
Down count
Down count
Figure 7 – 2-Phase, 2-Multiplication Operation Mode
Содержание 2MLF-HD2A
Страница 18: ...Contents Figures xviii 2MLF HO2A 2MLF HD2A High Speed Counter Module User s Guide R200 Honeywell May 2010 ...
Страница 121: ...7 Programming 7 4 Basic Program R200 2MLF HO2A 2MLF HD2A High Speed Counter Module User s Guide 121 May 2010 Honeywell ...
Страница 178: ...7 Programming 7 6 Program 178 2MLF HO2A 2MLF HD2A High Speed Counter Module User s Guide R200 Honeywell May 2010 ...
Страница 222: ...Honeywell Process Solutions 1860 W Rose Garden Lane Phoenix AZ 85027 USA ...