Data Control Instructions - Mitsubishi MELSEC Q Series Programming Manual

LIMIT(P),DLIMIT(P)
7.13

Data Control Instructions

7.13.1
Upper and lower limit controls for BIN 16-bit and BIN 32-bit
data (LIMIT(P),DLIMIT(P))
LIMIT(P),DLIMIT(P)
LIMIT, DLIMIT
LIMITP, DLIMITP
Settng
Data
S1
S2
S3
D
Function
LIMIT
(1) Controls the output value to be stored at the device designated by
the input value (BIN 16 bits) designated by
values specified by
Output value is controlled in the way shown below:
• When
• When
• When
(2) Values in the range from
7-320
Command
Command
: Lower limit value (minimum output threshold value) (BIN 16/32 bits)
S1
: Upper limit value (maximum output threshold value) (BIN 16/32 bits)
S2
: Input value to be controlled by the upper and lower limit control (BIN 16/32 bits)
S3
: Head number of the devices where the output value controlled by the upper and lower limit control will be
D
stored (BIN 16/32 bits)
Internal Devices
R, ZR
Bit Word
and or not.
S1 S2
Lower limit value Input value
S1
S3
Upper limit value Input value
S2
S3
Lower limit value Input value
S1 S3
Output value (
Value designated
by S1
32768 and 32767 can be designated at
High
Basic
performance
indicates an instruction symbol of LIMIT/DLIMIT.
S1 S2
S1 S2
P
J \
U \G
Bit Word
is within the range of upper and lower limit
S3
Lower limit value
....................
S1
Upper limit value
....................
S2
Upper
.........
S2 S3
)
D
Value designated by S2
Input value(
S3
Process
Redundant Universal LCPU
S3 D
S3 D
Constants
Zn Other
K, H
––
––
––
–– ––
by checking whether
D
Output value
D
Output value
D
Input value Output value
D
)
, , and .
S1 S2 S3