Dukane DPC II Plus 9001:2000 - Manual (Page 176)

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Dukane Manual Part No. 403–566–01
DPC ™ II Plus and EZ Welder System – User’s Manual
DPC II Plus
+22V Power
High-Side
Switch
Sources
Current
Ạ
ạ
DPC Ground
+22V
DPC Internal
Power Supply
Current
Limit Circuit
250mA max.
Jumper Block SH707
Position JU725
(Refer to Figure 5–12)
+24V
Internal
DPC II Plus
Circuitry
Optical Isolation
Circuit
Current
Limit Circuit
12.5 mA
max.
12.5 mA
max
4 mA
min
Isolated Input
Pin #3 – Operate
Pin #5 – Press Control
Pin #9 – Auto Stop
Pin #1
User
Supplied
Switch
Circuitry
Pin #2 & Pin #7
No Connection
Current Source Control Circuit
Figure C–4 illustrates an automation control cir-
cuit connected to the highside of one of the Iso-
lated Automation Inputs. Even though the switch
drives an Opto–Isolator, it is still connected to
the DPC power source and not isolated. The
SH707 jumper block must be in the JU725 posi-
tion (see Figure 5–12). Any of the examples in
Figure C–2 can be used in place of the block la-
beled
High Side Switch Sources Current.
Figure C–4 Current Source Switch