DL205 Installation and I/O Manual, 2nd Edition
3–73
Chapter 3: I/O Wiring and Specifications
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A
B
C
D
F2-04AD2DA 4-Channel Analog Input / 2-Channel Analog Output Module
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
n
ve
rte
r
+5V
+15V
0V
--15V
CH1
4--wire
4--20mA
Trans mitter
S ee NOTE 1
CH2
3--wire
4--20mA
Trans mitter
CH3
2-wire
4--20mA
Trans mitter
CH4
2-wire
4--20mA
Trans mitter
+
--
+
--
+
--
+
--
--
+
+
+
--
Loop S upply
0V
Current s inking
Ch 1
Current s inking
Ch 2
D to A
Converter
D to A
Converter
A to D
Converter
250
250
250
250
0V
+24V
IN--
CH1+
CH 2+
CH3+
CH4+
OUT--
CH1+
CH2+
18 26.4 VDC
80 mA
F2--4AD2DA
IN/
ANALOG
F 2--4AD2DA
ANALOG
4 IN/ 2 OUT
OUT
4--20mA
IN
OUT
24VDC
Module S upply
+
--
F us e
F us e
F us e
F us e
S ee NOTE 1
(@ 24V)
(@ 24V)
S ee NOTE 8
Typical user wiring
Internal module
wiring
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: If 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
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.