User`s manual

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MELSEC-Q
10 COMPENSATION OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.SUM 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
e
Input data
+2
e1
Integration
start signal
b15 b12 b8 b4 b0
e
1
0: Integration not executed
1: Integration executed
BIN
16Bit
U
Block
memory
D1
+0
+1
BW Output value (-999999 to 999999)
Real
number
S
S2
+0
+1
ILC
Input
low cut value
-999999 to 999999
Real
number
0.0 U
+2
+3
A Initial value -999999 to 999999
Real
number
0.0 U
Operation
constant
+4 RANGE Input range
1: /Second
2: /Minute
3: /Hour
BIN
16Bit
1U
*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) Execution cycle ( T)
Set the execution cycle in SD1500 and SD1501 as real numbers.
Processing contents
(1) The S.SUM instruction performs the following processing.
e1 E1 Output (BW)
0 The initial value (A) of the operation constant is output.
E1 ILC The last value is output unchanged.
1
E1
ILC
T
T
BW E1 Last value
(2) The T value used for the operation changes depending on the input range (RANGE) setting.
• When RANGE
1, T 1
• When RANGE
2, T 60
• When RANGE
3, T 3600
ERROR
• When an operation error occurs Error code: 4100
• When the RANGE setting is other than 1 to 3 Error code: 4100