104
Powermax125
Service Manual 808070
7 – Mechanized Cutting
Accessing raw arc voltage
To access divided raw arc voltage, refer to Field Service Bulletin 807060.
Connecting an optional RS-485 serial interface cable
The RS-485 serial interface connector on the back of the power supply allows you to connect an external device to your
Powermax. For example, you can remotely operate the Powermax with a CNC controller.
The Powermax power supply must be equipped with a factory-installed (or user-installed) RS-485 serial interface
connector on the rear panel. The receptacle on the rear of the power supply provides access to the RS-485 board inside
the power supply.
If your power supply is not equipped with the RS-485 connector, order kit 228539, “Powermax65/85/105/125 RS-485
board with cables”. Follow the installation instructions in the
Power Supply Component Replacement
section of the
Powermax125 Service Manual (808070), which you can download from the Downloads Library at
With the RS-485 connector installed:
1.
Shut OFF the power supply.
2.
Connect the RS-485 cable from your external device to the receptacle on the back of the Powermax power supply.
WARNING!
SHOCK HAZARD, ENERGY HAZARD, AND FIRE HAZARD
Connecting directly to the plasma circuit for access to raw arc voltage
increases the risk of shock hazard, energy hazard, and fire hazard in the
event of a single fault. The output voltage and the output current of the
circuit are specified on the data plate.
RS-485 connector
Содержание Powermax 125
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