User`s manual

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MELSEC-Q
9 CONTROL OPERATION INSTRUCTIONS
9 CONTROL OPERATION INSTRUCTIONS
9.1 Basics PID (S.PID)
Usable devices
Internal devices
(System, user)
MELSECNET/H
direct J
\
Setting
data
Bit Word
File
register
Bit Word
Intelligent
function
module
U
\G
Index
register
Zn
Constant
K, H
Other
S1
D1
S2
D2
S3
S.PID
S.PID
Start contact
S1 D1 S2 D2 S3
[Instruction symbol] [Execution condition]
Set data Description
S1
Input data head device
D1
Block memory head device
S2
Operation constant head device
D2
Loop tag memory head device
S3
When set value (E2) is used: Set value head device
When set value (E2) is not used: Dummy device
*1
*1: Special register SD1506 can be specified as a dummy device.
Functions
Performs PID operation when the specified control cycle is reached. (PID operation is of velocity
type/process value derivative type (incomplete differentiation type).)
Also performs SV setting processing, tracking processing, gain (Kp) operation processing and
deviation check processing at this time.
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