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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.
SYSMAC
CP1L
L1 L2/N
COM 01 03 05 07 09 11 01 03 05 07 09 11
00 02 04 06 08 10 00 02 04 06 08
10
00 01 02 03 04 06 00 01 03 04 06
COM COM COM COM 05 07 COM 02 COM 05
07
IN
OUT
IN
OUT
V  O UT CO 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
CPU Unit CPM1A-MAD01
Analog I/O Unit
+
−
+
−
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