Omron CP1H-CPU - 05-2006, Operation Manual

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Analog I/O Units
Section 7-4
Using Analog I/O
Connecting the Analog I/O
Unit Connect the Analog I/O Unit to the CPU Unit.
Wiring Analog I/O Devices Analog Input Wiring
Analog I/O Wiring Example
Connect the Unit
Wire the analog I/O
Create a ladder program
•
Connect the Analog I/O Unit.
•
Connect an analog input device.
•
Write the range code.
•
Analog input: 0 to 10 V, 1 to 5 V, 4 to 20 mA
•
Analog output: 0 to 10 V,
−
10 to 10 V, 4 to 20 mA
•
Analog input: Read converted data.
•
Analog output: Write set value.
CPU Unit CPM1A-MAD01
Analog I/O Unit
IN
OUT
V O UT CO M I IN 1 V IN 2 CO M2
I O U T V IN 1 CO M1 I IN 2
MAD01
C H C H E X P
+
−
+
−
V IN1
COM1
V IN2
I IN2
I IN1
COM2
250
Ω
250
Ω
10 K
Ω
10 K
Ω
0 V
0 V
FG
F G
2-core shielded
twisted-pair cable Analog I/O Unit
Analog
output
device
voltage
output
Analog
output
device
current
output
Common (
−
)
Voltage input 1 (+)
VOUT
I OUT
COM
V IN1
I IN1
COM1
COM2
I IN2
V IN2
Current input 2 (+)
Common (
−
)
VOUT
I OUT
COM
V IN1
I IN1
COM1
COM2
I IN2
V IN2
Using analog input 1 as a voltage input Using analog input 2 as a current input