Mitsubishi Electric MELSEC FX3U Programming Manual page 702

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Explanation of function and operation
1. 16-bit operation (LIMIT and LIMITP)
Depending on how the input value (16-bit binary value) specified by
and
S S
1 2
The output value is controlled as shown below:
Command
input
FNC256
LIMIT
In the case of " S Lower limit value >
1
In the case of " Upper limit value <
S
2
S
Lower limit value ≤
1
In the case of "
Output
value
• When controlling the output value using only the upper limit value, set "-32768" to the lower limit value
specified in
• When controlling the output value using only the lower limit value, set "32767" to the upper limit value
specified in
700
, the output value
D
S S S
1 3
2
S Input value" ....
3
Input value" ....
S
3
S
Input value ≤
3
Input
value
S
1
.
S
1
.
S
2
29 Data Table Operation – FNC250 to FNC269
is controlled.
D
Lower limit value →
S
1
Upper limit value →
S
2
S
2
Upper limit value" ....
Output
(
D
value
Specified
29.1 FNC256 – LIMIT / Limit Control
compares to the range between
S
3
D Output value
Output value
D
S
Input value → D
3
)
S Specified
2
Input
( )
S
3
value
Output value