IDEC MICROSmart FC6A Series Ladder Programming Manual page 550

27: F C
LOW ALCULATION
Example 2: When the dead band is disabled
When the dead band (S2+6, S2+7) is 0 and initial value of the output value (dead band) (D1+2, D1+3) is 0, the output
value (D1+0, D1+1) is stored in the output value (dead band) (D1+2, D1+3) with each scan.
Cycle Output Value (D1+0, D1+1)
1st scan 10
2nd scan 50
3rd scan 100
4th scan 50
5th scan 0
6th scan -50
7th scan -100
Dead band (S2+6, S2+7)
=0
(D1+0, D1+1)
Output value (dead band)
(D1+2, D1+3)
Valid Devices
Device
S1 (Source 1)
S2 (Source 2)
S3 (Source 3)
D1 (Destination 1)
D2 (Destination 2)
Special data registers cannot be designated as S2 and D1. Special internal relays cannot be designated as D2.
Data Types
Data Type
Specifiable
The data type setting is only reflected in the input value.
27-4
I
NSTRUCTIONS
1st scan
100
50
Output value 10
-50
-100
100
50
10
-50
-100
Function
Input value
Control register
Initialization input
Output register
Output relay
W (word) I (integer)
Yes
FC6A S MICROS
ERIES
Output Value (dead band)
(D1+2, D1+3)
10
50
100
50
0
-50
-100
2nd scan 3rd scan 4th scan
I Q
— —
— —
X —
— —
— X
D (double word)
Yes —
L P
MART ADDER ROGRAMMING
5th scan 6th scan 7th scan
M R T C D P
— — — — X —
— — — — —
X — — — — —
— — — — —
— — — — —
L (long)
—
M FC9Y-B1726
ANUAL
Constant Repeat
— —
— —
— —
— —
— —
F (float)
—