User`s manual

30
3.2 Function List
The following table lists the functions of the QD65PD2.
Item Description
Operation
mode
*1
Reference
Linear counter function
This function counts pulses between -2147483648 and
2147483647, and detects an overflow/underflow when the
count value is outside the range.
Normal mode
Page 103,
Section 4.2.1
Ring counter function
This function repeatedly counts pulses between the upper
limit value and lower limit value of the ring counter.
Page 104,
Section 4.2.2
Comparison
output
function
Coincidence output
function
This function compares the count value with the preset
comparison condition, and outputs on or off signal when they
match.
Page 109,
Section 4.3.2
Preset/replace (at
coincidence output)
function
This function replaces the count value with any preset
numerical value at the rise time of the coincidence output 1
and 2.
Page 116,
Section 4.3.3
Coincidence detection
interrupt function
This function outputs an interrupt signal to the CPU module
and starts an interrupt program when the count value matches
with the preset comparison condition.
Page 122,
Section 4.3.5
Cam switch function
This function compares the count value with the preset output
status (ON/OFF address) of the coincidence output, and
outputs on or off signal from the coincidence output when they
match.
The points for ON/OFF switch can be used up to 16 points.
Page 118,
Section 4.3.4
Preset/replace function
This function replaces the count value with any preset
numerical value.
The function is executed by CH1 Preset/replace command
(Y03) or by the phase Z input terminal (Z1) of the connector
for external devices.
Page 125,
Section 4.4
Latch
counter
function
Latch counter function by
latch counter input
terminal
This function latches the count value, and stores it to the
buffer memory.
The function is executed by the latch counter input terminal
(LATCH1) of the connector for external devices.
Page 128,
Section 4.5.1
Latch counter function
(counter function
selection)
This function latches the count value, and stores it to the
buffer memory.
The function is executed by CH1 Selected counter function
start command (Y07) or by the function input terminal
(FUNC1) of the connector for external devices.
Page 129,
Section 4.5.2