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6F3B0253
Basic Hardware and Function 259
8. Special I/O Functions
The table below summarizes the mode setting data of each function. In the table,
‘−’ means do not care.
Variable input filter constant
SW16
FEDCBA9876543210
Use 1 0
−−−−
00
−−
00
−−−−
High speed counter
SW16
FEDCBA9876543210
Single phase Channel 1 only
−
001000000000011
up-counter Channel 2 only
−
010000000000011
Both channels
−
011000000000011
Single phase Channel 1 only
−
001010000000011
speed-counter Channel 2 only
−
010010000000011
Both channels
−
011010000000011
Quadrature bi-pulse counter
−
000100000000011
Interrupt input function
SW16
FEDCBA9876543210
Interrupt 1 only Rising (OFF to ON)
−
001000000000101
Falling (ON to OFF)
−
001000000001001
Interrupt 2 only Rising (OFF to ON)
−
010000001000001
Falling (ON to OFF)
−
010000010000001
Both interrupts No.1 = Rising, No.2 = Rising
−
011000001000101
1 and 2 No.1 = Rising, No.2 = Falling
−
011000010000101
No.1 = Falling, No.2 = Rising
−
011000001001001
No.1 = Falling, No.2 =
Falling
−
011000010001001
Pulse output function
SW26
FEDCBA9876543210
CW/CCW method
−−−
0000000000011
Pulse/Direction (PLS/DIR) method
−−−
0000000000111
PWM output function
SW26
FEDCBA9876543210
Use
−−−
0000000000001
For example, the following programs can be used to select the quadrature bi-pulse
counter.
or
(H0803)