16: INTERFACE INSTRUCTIONS
16-2 OPENNET CONTROLLER USER’S MANUAL
Example: DISP
The following example demonstrates a program to display the 4-digit current value of counter CNT10 on 7-segment dis-
play units (IDEC’s DD3S-F31N) connected to the transistor sink output module.
Output Wiring Diagram
When input I0 is on, the 4-digit current value of counter C10 is dis-
played on 7-segment digital display units.
I0
DATLAT
HL
S1
C10
Q
Q0
DISP
BCD4
(+)
(–)
Latch
A
B
C
D
(+)
(–)
24V DC
Power
Supply
(+)
(–)
Latch
A
B
C
D
(+)
(–)
Latch
A
B
C
D
(+)
(–)
Latch
A
B
C
D
10
3
10
2
10
1
10
0
16-Transistor Sink
Upper Digit Lower Digit
FC3A-T16K1
Output Module
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
COM(–)
+V
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
COM(–)
+V
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