Omron CP1L - 12-2007, Operation Manual

Page: 453 / 673

418
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 CO M2
I O U T V IN 1 CO M1 I IN 2
MAD01
C H C H
E X P
CPU Unit CPM1A-MAD01
Analog I/O Unit
+
−
+
−
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