Toshiba 6F3B0253 - Manual (Page 258)

6F3B0253
256
T1-16S User’s Manual
8. Special I/O Functions
8.1 Special I/O function overview
The T1-16S supports the special I/O functions as listed below.
Function name Function summary Remarks
Variable input filter
constant Input filter constant (ON/OFF delay time) can be set
by user program. The setting range is 0 to 15ms
(1ms units). Default value is 10ms. This function is
applied for X000 to X007 (8 points as a block). SW16 setting
is necessary to
use this
function. (Note)
Single phase
up-counter Counts the number of pulses of single phase pulse
train. 2 channels of pulse input are available. The
countable pulse rate is up to 5KHz for each channel.
Channel 1
…
X000 count input, X002 reset input
Channel 2
…
X001 count input, X003 reset input
Single phase
speed-
counter Counts the number of pulses in a specified sampling
time. The sampling time setting is 10 to 1000ms
(10ms units). 2 channels of pulse input are available.
The countable pulse rate is up to 5KHz for each
channel.
Channel 1
…
X000 count input
Channel 2
…
X001 count input
High
speed
counter
Quadrature
bi-pulse
counter Counts the 2-phase pulses whose phases are shifted
90
°
each other. Counts up when phase A precedes,
and counts down when phase B precedes.
The countable pulse rate is up to 5KHz.
Phase A
…
X000
Phase B
…
X001
Reset
……
X002
Interrupt input function Immediately activates the corresponding I/O interrupt
program when the interrupt input is changed from
OFF to ON (or ON to OFF). 2 points of interrupt input
are available.
X002
…
Interrupt 1 (I/O interrupt program #3)
X003
…
Interrupt 2 (I/O interrupt program #4)
Only one
among these 4
functions can
be selected.
SW16 is used
to select the
function.
(Note)
Analog setting
function The value of the analog setting adjuster is converted
into digital value (0 to 1000) and stored in the SW
register. 2 adjusters are provided on the T1-16S.
V0
…
SW30
V1
…
SW31
No function
selection is
required.
Pulse output function Variable frequency pulse train can be output. The
available pulse rate is 50 to 5000Hz (1Hz units).
Y020
…
CW or Pulse (PLS)
Y021
…
CCW or Direction (DIR)
PWM output function Variable duty cycle pulse train can be output. The
available ON duty setting is 0 to 100% (1% units).
Y020
…
PWM output
Either one
between these
2 functions
can be used.
SW26 is used
to select the
function. (Note)