1 FUNCTIONS
1.1 Pulse Input Modes and Counting Methods
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■1-phase pulse input
The count method can be selected from 1 multiple and 2 multiples. The following figure shows the relationship between the A
phase pulse input and B phase pulse input or CH1 Down count command (Y3).
■CW/CCW pulse input
Pulses can be counted up with the A phase pulse input and counted down with the B phase pulse input. The following figure
shows the relationship between the A phase pulse input and B phase pulse input.
■2-phase pulse input
The count method can be selected from 1 multiple, 2 multiples, and 4 multiples. The phase difference between the A phase
pulse and B phase pulse determines whether the pulses are counted up or down. The following figure shows the relationship
between the A phase pulse input and B phase pulse input.
φA
φB
Pulse input
Encoder
High-speed counter module
φB or CH1 Down count command
(Y3)
φA
φB
Count-up pulse input
Count-down pulse input
Encoder
Encoder
High-speed counter module
φA
φB
Phase A pulse input
Phase B pulse input
Encoder
High-speed counter module
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