DC Power Supply [DPG-30R & DPG-MC60R, DPG-MC120R, DPG-MC240R]
3. Setup
23
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3-2-3. Arc link terminal pin assignments
On the reference to "Table 2-7 external control signal equivalent circuit connection" to use the
ARC LINK terminal, Connected to an external control device such as a PLC
Table.3-4
Arc link terminal pin assignments
n No.
Signal name Type
Voltage
level
Return
Details
1
P24IN
24V
Apply 24 V from outside. 100mA or more
2
P24OUT
24V
3
FAST HARC
DO
0 to 24V
COM
High speed pulse Low level output between 32us during hard arc detection
on the DC unit
4
COM
Fast hard arc signal common return.
5
FAST MARC
DO
0 to 24V
COM
High speed pulse Low level output between 32us during micro arc detection
on the DC unit
6
COM
Fast micro arc signal common return.
7
RESERVE
DI
0 to 24V
COM Not used.*1
8
RESERVE
0 to 24V
COM Not used.*1
9
COM
24V common return.
10
RESERVE
DO
0 to 24V
COM Not used.*1
11
RESERVE
DI
0 to 24V
COM Not used.*1
12
COM
24V common return.
*1
Please do not connect 7,8,10,11 pin because it becomes the antenna to pick up noise and you have to
open the long-distance wiring.