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4-3. Wiring
3. Wiring Diagram and Pin Layouts
1) Control boards
C20R and C20RC types
■
Pin layout
• The I/O addresses for the C20R and C20RC control boards are fixed as follows.
■
Internal circuit and wiring example
~
Internal circuit
Output
indicator
Input
indicator
Load
COM
(5 V)
0 V
24 V
(5 V)
Max.
0.2 A
24 V
24 V DC
Y1
X3
I/O power
supply
Controller
power supply
Expansion
power supply
connector
Input terminal
Output terminal
24 V 0 V
Regulator
COM
+
–
24 V DC
24 V DC
Power supply
connector
5 V
0 V
2.4 k
Ω
2.4 k
Ω
MAX. 1A
Y3
Y2
COM
COM
Y0
Y1
COM
COM
Y4
Y5
Y6
Y7
Output terminal
Input terminal
X4
X3
X8
COM (±)
X0
X1
X2
X5
X6
X7
X9
XA
XB
Expansion power
supply connector
Power supply
connector
Input/output
power supply
Controller
power supply
RS232C port (C20RC type only)
6. N.C. (Not connected)
7. SG
8. N.C. (Not connected)
9. ER
1. FG
2. SD
3. RD
4. RS
5. CS
(5V)
0V
24V
24V
0V
0V
(5V)
24V
0V
Summary of Contents for FP-M Hardware
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