Do-more H2 Series PLC User Manual, 1st Edition, Rev. F - H2-DM-M
6–46
Chapter 6: Specifications - Analog I/O Modules
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
F2–4AD2DA, Analog Input/Output - continued
Internal
Module
Wiring
Ch 2 load
0--910
0 VDC
+24 VDC
IN4+
OUT1+
OUT2+
OUT--
IN--
IN2+
IN1+
IN3+
Ch 1 load
0--910
DC
to
DC
Co
nv
er
te
r
+5V
+15V
0V
--15V
CH1
4--wire
4--20mA
Transmitter
S ee NOTE 1
CH2
3--wire
4--20mA
Transmitter
CH3
2-wire
4--20mA
Transmitter
CH4
2-wire
4--20mA
Transmitter
+
--
+
--
+
--
+
--
--
+
+
+
--
Loop S upply
0V
Current sinking
Ch 1
Current sinking
Ch 2
D to A
Converter
D to A
Converter
A to D
Converter
250
250
250
250
24VDC
Module S upply
+
--
F use
F use
F use
F use
See NOTE 1
(@ 24V)
(@ 24V)
S ee NOTE 8
Typical user wiring
Internal module
wiring
One count in the specification table is equal to one least significant bit of the analog data value (1 in 4096).
Note 1: Shields should be connected at their respective signal source.
Note 2: Unused channel should remain open for minimum power consumption.
Note 3: More than one external power supply can be used provided the power supply commons are connected.
Note 4: A Series 217, 0.032A fast-acting fuse is recommended for 4–20 mA current input loops.
Note 5: f the power supply common of an external power supply is not connected to 0 VDC on the module, then the output of the external
transmitter must be isolated. To avoid “ground loop” errors, recommended 4–20 mA transmitter types are: 2 or 3 wire - Isolation
between input signal and power supply or 4 wire - Isolation between input signal, power supply, and 4-20 mA output.
Note 6: If an analog channel is connected backwards, then erroneous data values will be returned for that channel.
Note 7: To avoid small errors due to terminal block losses, connect 0 VDC, IN-, and OUT- on the terminal block as shown. The module’s
internal connection alone of these nodes is not sufficient to permit module performance up to the accuracy specifications.
Note 8: Choose an output transducer resistance according to the maximum load/power listed in the Output Specifications.
+24V
CH1+
CH3+
OUT-
CH2+
0V
IN
CH2+
CH4+
CH1+
F2-4AD2DA
IN/
OUT
ANALOG
F2-4AD2DA
IN
OUT
18-26.4VDC
80mA
ANALOG
4 IN/2 OUT
4-20mA
+24V
CH1+
CH3+
OUT-
CH2+
0V
IN
CH2+
CH4+
CH1+
F2-4AD2DA
IN/
OUT
ANALOG
A
F2-4AD2DA
IN
OUT
18-26.4VDC
80mA
ANALOG
4 IN/2 OUT
4-20mA
Содержание Do-more H2 PLC Series
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