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