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Simple Application Controllers
Function Blocks 6
6 - 3
Hour
Meter
[HM]
The Hour Meter Function Block holds the
output status ON for a maximum of 32767
hours, 32767 minutes and 59 seconds. If
the input pin is turned OFF the elapsed time
will hold its value until either the clear pin
resets the time or the input pin is turned ON
again.
19 Byte
6.18
Speed
Detect
[SPD]
The Speed Detect Function Block is used
to count the incoming pulses max. 20Hz
(with an extension module max. of 1kHz)
for a set period of time. The upper and
lower limits can be set from -32768 to
+32767 and the Period interval’s set range
is 1 to 32767 in 10ms increments.
25 Byte
6.19
PWM
[PWM]
The Pulse Width Modulation Function Block
changes the output status according to a
set period of time with a minimum of 100ms
a n d a m a x i m u m o f 3 2 7 6 7 0 0 m s i n
increments of 100ms. The percentage duty
for the function controls the amount of
elapsed time before the output status is
changed.
16 Byte
6.20
Retentive
Alternate
[RAL]
The Alternate Function Block is used to
reverse the ON and OFF state of the output
as and when the input pin receives a signal.
The output will be set ON when the input
pin goes high and remain ON until the input
receives the second rising edge. When the
power is turned OFF the function block will
use the last alternation operation to control
the output.
13 Byte
6.21
Addition
[ADD]
T h e A D D F u n ct i on B lo c k i s u s e d t o
summate two input values
20 Byte
6.22
Subtrac-
tion
[SUB]
The SUB Function Block is used to subtract
two input values.
20 Byte
6.23
Multiplica-
tion
[MUL]
The MUL Function Block is used to multiply
two input values.
20 Byte
6.24
Division
[DIV]
The DIV Function Block is used to divide
two input values.
20 Byte
6.25
FB Name
FB Symbol
Description of Function Block
Memory
Use
Section
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