IDEC MICROSmart FC6A Series Ladder Programming Manual

FC6A S ERIES MICROS MART L ADDER P ROGRAMMING M ANUAL FC9Y-B1726 6-9
6: D ATA C OMPARISON I NSTRUCTIONS
Examples: LC
Ladder Diagram 1
Timing Chart
LC=(D)
C2 99997
CNTD C2
100000
I1
Reset
Pulse
I0
LC>=(D)
C2 99996
Reset Input I0
ON
OFF
Pulse Input I1
ON
OFF
C2
ON
OFF
Output Q1
ON
OFF
Output Q0
• • •
99996 99997 99998
ON
OFF
99999 100000
Program List
Output Q0 is on when counter C2 current value is
99,997.
Output Q1 is turned on when counter C2 current
value reaches 99,996 and remains on until counter
C2 is reset.
Q0
Q1
99995
LOD
LOD
CNTD
LC=(D)
OUT
LC>=(D)
OUT
I0
I1
C2
100000
C2
99997
Q0
C2
99996
Q1
Instruction
Data
Ladder Diagram 2
LC<=(I)
D10 –2
I2
Program List
Output Q2 is on when data register D10 is less than
or equal to –2 and greater than or equal to 3.
Output Q3 is on while data register D10 is between
–3 and 5.
Q2
REPS1 –
D10
S2 –
1
ADD(I) D1 –
D10
SOTU
Timing Chart
Input I2
ON
OFF
D10 Value
Output Q3
ON
OFF
Output Q2
ON
OFF
–7 –6 –3 –2 –1 2 3 4–5 –4 01 56
LC<=(I)
3 D10
LC<=(I)
–3 D10
LC<=(I)
D10 5
Q3
Instruction
Data
LOD
SOTU
ADD(I)
LC<=(I)
LC<=(I)
ORLOD
OUT
LC<=(I)
LC<=(I)
ANDLOD
OUT
I2
D10
1
D10
D10
–2
3
D10
Q2
–3
D10
D10
5
Q3

IDEC MICROSmart FC6A Series Specifications

General

Brand	IDEC
Model	MICROSmart FC6A Series
Category	Computer Hardware
Language	English