4742-E P-65
SECTION 2 DC POWER SUPPLY UNIT (MPS, MPR UNIT)
3.
Cautions on Changing Units
Eeospcsa2008
The items that require special attention when changing DC power supply unit are indicated below.
WARNING
(1) For MPS unit, set the controller ID switch at all OFF.
MPR unit does not have a controller ID switch.
(2) Unit type of DC power supply units differs according to the regeneration method and unit capac-
ity.
When changing a unit, make sure to use the unit of the same type.
EIOSPCSA2008R01
WARNING
A DC power supply unit (MPS/MPR) has a large-capacitance capacitor in the unit.
When changing MIV unit, shut off the power and wait until the charge indicating lamp goes off.
(Wait for at least 2 minutes after shutting off the power.)
High voltage is applied to the upper and lower terminal blocks in the unit.
Do not remove the plastic terminal block cover while the power is on.
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