Omron CP1L CPU UNIT - 06-2007 Operation Manual page 453

Analog I/O Units
Using Analog I/O
Connecting the Analog I/O
Unit
Wiring Analog I/O Devices
420
Connect the Unit
Wire the analog I/O
Create a ladder program
Connect the Analog I/O Unit to the CPU Unit.
CPU Unit
SYSMAC
CP1L IN
L1 L2/N COM 01 03 05 07 09 11 01 03 05
00 02 04 06 08 10 00 02 04
00 01 02 03 04 06 00 01
COM COM COM COM 05 07 COM 02
OUT
Analog Input Wiring
2-core shielded
twisted-pair cable
Analog +
output
device
voltage
output
−
+
Analog
output
device
current
−
output
Analog I/O Wiring Example
Using analog input 1 as a voltage input
V IN1
I OUT COM1
COM I IN1
VOUT
• 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.
CPM1A-MAD01
Analog I/O Unit
07 09 11
06 08 10
MAD01
OUT I N
C H E X P
C H
03 04 06
I O U T V I N 1 CO M 1 I I N 2
COM 05 07
V O U T CO M I I N 1 V I N 2 CO M 2
Analog I/O Unit
V IN1
250 Ω
I IN1
COM1
10 KΩ
F G
V IN2
0 V
250 Ω
I IN2
COM2
10 KΩ
FG
0 V
Using analog input 2 as a current input
I OUT
I IN2
COM2 VOUT
V IN2
Common (−)
Voltage input 1 (+)
Section 7-4
V IN1 I IN2
COM1
COM2
COM I IN1 V IN2
Current input 2 (+)
Common (−)