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S_PIDCONT
5.5.2
PIDCONT instruction
S(P)_PIDCONT
Structured ladder
S_PIDCONT
EN
ENO
s
Input argument
EN:
s:
Output argument
ENO:
Function
(1) This instruction measures sampling cycle and performs PID operation at instruction
execution.
(2) This instruction performs PID operation based on the set value (SV) and process value (PV)
in the I/O data area set to the device number specified by
operation result to the automatic manipulated value (MV) area in the I/O data area.
(3) PID operation is performed in response to the first execution of the PIDCONT instruction
after the set sampling cycle time has elapsed.
5.5 PID Control Instruction (Inexact Differential)
5-164
5.5.2 PIDCONT instruction
ST
ENO:=
(EN, s);
S_PIDCONT
Executing condition
Start number of the device that is assigned in I/O data area
Execution result
Internal device
Setting
R, ZR
data
Bit
Word
−
S
P: Executing condition
indicates any of the following
instructions.
S_PIDCONT
SP_PIDCONT
:Bit
:ANY16
:Bit
J
\
U
\G
Bit
Word
−
or later, and stores the
○
S
S_PIDCONT
:
Zn
Constant Others
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