DW1401989 Rev.K2
Dec 18, 2019
3
Class B (Short circuit detection is not available)
EOL (10k ohm) is connected between A+
（
B+
）
and A-
（
B-
）
in
EVA-DIP-SCI.
Dry contact switches
（
input switches
）
are OFF.
Figure 4
Class A (Short circuit detection is not available)
It is a status that dry contact switches connected between A+
（
B+
）
and A-
（
B-
）
in EVA-DIP-SCI are OFF.
Figure 5
Class B (Short circuit detection is available)
EOL (10k ohm) is connected between A+
（
B+
）
and A-
（
B-
）
in
EVA-DIP-SCI.
Dry contact switches are OFF.
*Two external inputs can be connected to one input line.
*Resistor of 2.2k ohms
（
RE-2.2k
）
is an option and not included in this
product.
B-
B+
A+
A-
Lin+
Lin-
Lout+
Lout-
EOL
10kΩ
Typical wiring for N/O contacts only
2.2kΩ
2.2kΩ
2.2kΩ
2.2kΩ
EOL
10kΩ
Loop
- +
TO NEXT
DEVICE
- +
Loop
FROM PANEL OR
PREVIOUS DEVICE
Figure 6
Class A (Short circuit detection is available)
It is a status that dry contact switches connected between A+
（
B+
）
and A-
（
B-
）
in EVA-DIP-SCI are OFF.
*Two external inputs can be connected to the input line.
*Resistor of 2.2k ohms
（
RE-2.2k
）
is an option and not included in this
product.
B-
B+
A+
A-
Lin+
Lin-
Lout+
Lout-
Typical wiring for N/O contacts only
2.2kΩ
2.2kΩ
Loop
- +
TO NEXT
DEVICE
- +
Loop
FROM PANEL OR
PREVIOUS DEVICE
Figure 7
Normally Close Class B
A dry contact switch and EOL (10k ohm) are connected in series between
A+
（
B+
）
and A-
（
B-
）
in EVA-DIP-SCI.
Dry contact switches are ON.
*Only one external input can be connected to one input line.
B-
B+
A+
A-
Lin+
Lin-
Lout+
Lout-
Typical wiring for N/C contacts only
EOL
10kΩ
EOL
10kΩ
Loop
- +
TO NEXT
DEVICE
- +
Loop
FROM PANEL OR
PREVIOUS DEVICE
Figure 8
EOL
10kΩ
Typical wiring for N/O contacts only
EOL
10kΩ
B-
B+
A+
A-
Lin+
Lin-
Lout+
Lout-
Loop
- +
TO NEXT
DEVICE
- +
Loop
FROM PANEL OR
PREVIOUS DEVICE
B-
B+
A+
A-
Lin+
Lin-
Lout+
Lout-
Typical wiring for N/O contacts only
Loop
- +
TO NEXT
DEVICE
- +
Loop
FROM PANEL OR
PREVIOUS DEVICE
