13
1.6 General Analog I/O
Used to set or measure voltage (0-10v) or current (4-20ma) between devices.
To achieve high precision, please follow the following rules in use:
Use the closest GND to I/O.
The measuring equipment and the controller use the same ground (GND),
and the analog I/O is not isolated from the controller.
Use shield wire or twisted pair. Connect the shield to the "GND" on the
common I/O terminal.
The current signal is not sensitive to noise. It is preferred to use the
equipment in current mode.
The corresponding I/O configuration is as follows:
Voltage mode input
AIx - AG
voltage
0
-
10
V
AIx - AG
resistance
-
12
-
Kohm
AIx - AG
dissociation
energy
-
12
-
Bit
Current mode output
AOx - AG
current
4
-
20
mA
AOx - AG
voltage
0
-
10
V
AOx - AG
dissociation
energy
-
16
-
Bit
Voltage mode output
AOx - AG
voltage
0
-
10
V
AOx - AG
electricity
0
-
20
mA
AOx - AG
resistance
-
43
-
ohm
AOx - AG
Dissociation energy
-
16
-
Bit
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