Rockwell Automation 1794-IP4 Series B FLEX I/O PULSE COUNTER User Manual - Manual (Page 12)

1–2 Overview of the Pulse Counter Module
Publication 1794ĆUM016B-EN-P - August 2002
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Gavanically Isolated
dc/dc Converter
Internal +5V dc
12-24V dc
0V
Serial Bus
Bus Interface
Optocouplers
Logic
Logic
Logic
Logic
16-bit Counter
16-bit Counter
16-bit Counter
16-bit Counter
16-bit Counter
16-bit Counter
16-bit Counter
16-bit Counter
Control Word
N D
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+
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+
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N
D
N
D
N
D
N
D
Configuration is selected by setting A (below) in the appropriate
position (variable SelectMeasureType). The arrows show signals
(control words and registers) controlled by the control system.
Gate Control
1-128 periods
16-bit Counter 16-bit Counter
1MHz
10MHz
Clock
&
A