AVL F-FEM-CNT - Operation; Frequency Input; Input Circuit for Digital Input

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Operation
F-FEM-CNT — User’s Guide
4 Operation
4.1 Frequency Input
The frequency inputs can process 1-phase or 2-phase input signals with or
without reference pulse. The pulse counters are realized in a programmable gate
array. The input circuits are shown below to help you choose the appropriate
input for each sensor type.
4.1.1 Input Circuit for Digital Input
The pin assignment above also applies to X18, X29 and X30.
Fig. 18 Input circuit for digital input