User`s manual

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MELSEC-Q
8 I/O CONTROL INSTRUCTIONS
8.7 Pulse Retentive (S.PSUM)
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
S.PSUM
S.PSUM
[Instruction symbol] [Execution condition]
Start contact
S1 D1 S2 D2
Set data Description
S1
Input data head device
D1
Block memory head device
S2
Operation constant head device
D2
Loop tag memory head device
Functions
Integrates the input value (E1) of the device specified in
S1
, and stores the result into the device
specified in
D1
.
The integration upper limit value and integration pattern can be used to select whether the
integrated value will be returned to 0 or retained at the upper limit value if the output value
exceeds the integration upper limit value.
The integration start signal and integration hold signal can be used to start and suspend the
integration of the input value.