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4742-E P-60
SECTION 2 DC POWER SUPPLY UNIT (MPS, MPR UNIT)
SECTION 2 DC POWER SUPPLY UNIT (MPS, MPR
UNIT)
Eeospcsa2001
Okuma motion control system (MCS) consists of an inverter unit and a DC power supply unit.
This section describes the maintenance and inspection methods for the power supply unit.
1.
System Configuration
Eeospcsa2002
A DC power supply unit is a unit to supply DC power to MIV unit. Connection of a power supply unit
with peripheral is shown below.
•
A DC power supply unit is connected to MIV unit to supply 300 VDC and 24 VDC (control
power).
•
A DC power supply unit executes communications with MIV unit through the converter link.
•
There are two types of DC power supply unit according to the regeneration method:
power regeneration type (to be referred to as MPS unit, hereafter) and resistor regeneration
type (to be referred to as MPR unit, hereafter).
•
MPS unit is used in the system that includes a spindle drive motor and MPR unit is used in the
system that is consisted only of axis drive motors.
•
A DC power supply unit can be connected to more than one MIV unit.
EIOSPCSA2001R01
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