Chapter 1 Functions; Pulse Input Modes And Counting Methods; Types Of Pulse Input Modes - Mitsubishi Electric RD62P2E Application User's Manual

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FUNCTIONS
This chapter describes the functions for the high-speed counter module and the setting methods. For details on I/O signals
and buffer memory areas, refer to the following.
• Page 55 Input signals
• Page 57 Output signals
• Page 62 Details of buffer memory addresses
This chapter describes the I/O numbers (X/Y), buffer memory addresses, and external I/O terminals for CH1.
To check the I/O numbers (X/Y) for CH2, refer to the following.
Page 54 List of I/O signals
To check the buffer memory addresses for CH2, refer to the following.
Page 60 List of buffer memory addresses
1.1

Pulse Input Modes and Counting Methods

This section describes the pulse input modes and the counting methods.

Types of pulse input modes

The following six pulse input modes are prepared: 1-phase pulse input (1 multiple/2 multiples), CW/CCW pulse input, and 2-
phase pulse input (1 multiple/2 multiples/4 multiples).
Pulse input modes and count timing
Pulse input mode Count timing
1-phase multiple of 1 For counting up
For counting down
1-phase multiple of 2 For counting up
For counting down
CW/CCW For counting up
For counting down
φA
φB and
CH1 Down
count command
(Y3)
φA
φB or
CH1 Down
count command
(Y3)
φA
φB and
CH1 Down
count command
(Y3)
φA
φB or
CH1 Down
count command
(Y3)
φA
φB
φA
φB
Counts on the rising edge () of A.
B and CH1 Down count command (Y3) are off.
Counts on the falling edge () of A.
B or CH1 Down count command (Y3) is on.
Counts on the rising edge () and the falling edge
() of A.
B and CH1 Down count command (Y3) are off.
Counts on the rising edge () and the falling edge
() of A.
B or CH1 Down count command (Y3) is on.
Counts on the rising edge () of A.
B is off.
A is off.
Counts on the rising edge () of B.
1 FUNCTIONS
1.1 Pulse Input Modes and Counting Methods
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