Modifications reserved
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7.3
Interlock castell function: Terminal block X1
This function allows a secure transfer from inverter (normal operation) to external maintenance bypass
and vice-versa. During normal operation the external bypass is locked in position OFF. Only when the
UPS is/are transferred to static bypass mode, the lock on the external bypass is released and it possible
to switch to position ON. The transfer from maintenance bypass back to normal operation happens
exactly the other way around. The release signal is 230VAC when the maintenance bypass is free and
0V when locked.
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~
~
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~
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Load
Line1 - Rectifier
Line2 - Bypass
UPS
P01
UPS
P02
UPS
P03
MBS
Auxiliary
contacts
Lock 1
Key 1
Solenoid 1
X1
X3
X3
X3
Output isolator
Lock 2
Solenoid 2
Key 2
Customer
interface
Customer
interface
Customer
interface
Содержание Conceptpower DPA 500
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