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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 C O M I IN 1 V IN 2 C O M2
I O U T V IN 1 C O M1 I IN 2
MAD01
CH
CH
EXP
+
−
+
−
V IN1
COM1
V IN2
I IN2
I IN1
COM2
250 Ω
250 Ω
10 KΩ
10 KΩ
0 V
0 V
FG
FG
2-core shielded
twisted-pair cable
Analog I/O Unit
Analog
output
device
voltage
output
Analog
output
device
current
output
Common (−)
Volta
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