41
Comparative Output
With operating mode 7, comparative output L, LL, H, or HH turns ON when the
measured value exceeds the set value. Refer to following chart for details.
INA input
Process value
RESET input
HH set value
HH comparative output
PASS output
H set value
LL set value
L set value
H comparative output
L comparative output
LL comparative output
Mode
Unit of display
value
Prescale value
1 pulse = n counts
Count
n
n pulses = 1 count
Count
1/n
Example:
Counting four pulses as a single unit to be displayed.
Prescaling value (
α
) = 1/4 = 0.25 = 0.25 x 10
0
Prescale value = X x 10
Y
(X: mantissa, Y: exponent)
X (mantissa) of input A = 0.25
Y (exponent) of input A = 0
4-2 Setting Mode
.
Performance Characteristics
Maximum counting speed
Sensor with transistor output: 50 kcps
Sensor with relay output: 30 cps
Counting range
0 to 4 G (with 32-bit counter)
Response time of HOLD or RESET
input
20 ms max.
ON/OFF pulse width
Sensor with transistor output: 9
µ
s min.
Sensor with relay output: 15 ms min.
SETTING
REFERENCE
Pulse Counting:
f7
Section 3-7
