MC122 - MCP-4J Control Unit Section 5 - Operation
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Purge Pressure
The MCP-4J can have up to two EPC outputs. EPC 2 is
always for an external EPC. EPC 1 can be an internal EPC,
external, or no EPC.
Set Purge Pressure
At Machine Stop, On Demand Only - If set to “At Machine Stop”: The control will set the EPC output to the Purge
Pressure setting when the encoder speed drops to 0 or if the control is purging. If set to “On Demand Only”: The
control will set the EPC output to the Purge Pressure setting only when the control is purging.
Purge Pressure %
(All Applications)
Purge Pressure - The pressure setting when the machine is at zero speed.
The number on the left side of the pressure screen refers to
the EPC number (two EPCs are available on some models
of the MCP-4J Control Unit. See the Parts List Section for
details). The second EPC is the 0-10 Volt output for speed
tracking. Both EPCs are programmed in the same way; just
be certain the desired EPC number appears on the screen
before programming. To switch between EPCs, press the
Pressure Button until the desired EPC number appears.
EPC Output Mode (EPC2 ONLY)
0-10 VDC or 0-20 mA - If EPC 2 is enabled, the user can set the output signal to either 0-10 VDC or 0-20 mA.
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