User`s manual

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MELSEC-Q
9 CONTROL OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.LLAG instruction
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
S1
+0
+1
E1 Input value -999999 to 999999 %
Real
number
U
Input
data
+2 e1
Actuating
signal
b15
b12 b8
b4 b0
e
1
0: With lead/lag compensation
1: Without lead/lag compensation
BIN
16bit
U
Block
memory
D1
+0
+1
BW Output value (-999999 to 999999) %
Real
number
S
S2
+0
+1
T
1
Delay time 0 to 999999 s
Real
number
1.0 U
Operation
constant
+2
+3
T
2
Lead time 0 to 999999 s
Real
number
1.0 U
Local work
memory
*2
D2
+0
+1
E1
n-1
Last Input
value
Used by the system as a work area.
Real
number
S
*1: The data of the item(s) where the values within the recommended range are given in the parentheses are stored by the system.
Users cannot set the data.
*2: When control is to be started from the initial status, the data must be cleared with the sequence program.
(2) Execution cycle ( T)
Set the execution cycle in SD1500 and SD1501 as real numbers.
Processing contents
The S.LLAG instruction instructs the following operation.
Condition BW (Output value)
e1
0
BW
1
TT
1
{T
2
(E1 E1
n
-1
) T
1
(BW Last value) T
E1}
However, when T
1
T
0, BW 0
e1
1BW E1 (Input value is output unchanged)
Error
• When an operation error occurs Error code: 4100