Figure 2.23 Control Wiring For External Contacts - Mitsubishi Electric 1100A Series Owner Technical Manual

A) Output Contacts (for external alarm annunciation)
Output contacts consist of form "A" dry type contacts. Rated capacity of all output
contacts is NEC Class2 (30Vdc/1Adc). All dry contacts should be operated at their
rated values or lower. Figure 2.23 illustrates a typical installation. The external relay
can also be a lamp, LED, computer, etc.

Figure 2.23 Control Wiring for External Contacts

UPS Cabinet
Relay
Contact
Details of output alarm contacts : IOAU-12
Terminals 5 to 6 "Major fault(make)" contact
Activated when a major fault has occurred with the system.
Terminals 7 to 8 "Major fault(break)" contact
Activated when a major fault has occurred with the system.
NOTE: The UPS is equipped with a selectable output contact feature.
!
The above alarms are the default settings.
Contact MITSUBISHI ELECTRIC POWER PRODUCTS, INC for
setup information.
NOTE
B) Input Contacts (for remote access of UPS)
External contacts are provided by the user of the UPS system. Terminal voltage at the
UPS is 24Vdc. Provide external dry contact accordingly.
CAUTION: Do not apply voltages to remote access input terminals.
CAUTION
1100A SERIES UPS
OWNERS / TECHNICAL MANUAL
Terminal
Terminal
Damage to UPS may result.
MITSUBISHI ELECTRIC 1100 SERIES UPS
Page Number:
External to UPS
Cabinet
Relay
Coil
NEC Class 2
Power Source
User supplied
2-10