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BAND(P),DBAND(P)
7.13.2
BIN 16-bit and 32-bit dead band controls (BAND(P),DBAND(P))
BAND(P),DBAND(P)
Function
BAND
(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 dead band upper and
lower limit values specified by and or not.
Output value is controlled in the way shown below:
• When .......... -
• When ......... -
• When ..... 0
(2) The values that can be designated by , , and are in the range of from 32768 to
32767.
: Lower limit value of dead band (no output band) (BIN 16/32 bits)
: Upper limit value of dead band (no output band) (BIN 16/32 bits)
: Input value to be controlled by a dead band control (BIN 16/32 bits)
: Head number of the devices where the output value controlled by the dead band control will be stored
(BIN 16/32 bits)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
K, H
Other
Bit Word Bit Word
––
––
––
–– ––
Basic
Process
High
performance
Redundant
Universal
BAND,DBAND
BANDP,DBANDP
D
S1 S2
Command
Command
P
S3
D
S1 S2 S3
indicates an instruction symbol of BAND/DBAND.
S1
S2
S3
D
S1
S2
S3
D
D
S3
S1
S2
S1
Lower limit value
S3
Input value
S3
Input value
S1
Lower
D
Output value
S2
Upper limit value
S3
Input value
S3
Input value
S2
Upper
D
Output value
S1
Lower limit value
S3
Input value
S2
Upper
D
Output value
D
Output value ( )
S3
Dead band upper
limit value ( )
S1
Dead band
lower limit value ( )
S2
Input value ( )
0
S1
S2
S3