User`s manual

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MELSEC-Q
9 CONTROL OPERATION INSTRUCTIONS
9.4 Sample PI (S.SPI)
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
Start contact
S.SPI
S.SPI
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 normal PI operation during operating time (ST).
Judges between operating time (ST) or hold time (HT), and if it is the operating time, performs SV
setting processing, tracking processing, gain (Kp) operation processing, SPI operation and
deviation check.
ST
HT
ST
HT
ST
HT
STHT STHT STHT
t
MV