MITSUBISHI ELECTRIC 1100B SERIES UPS
1100B SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
2-10
A) Output Contacts (for external alarm annunciation)
Output contacts consist of form
“A” dry type contacts. The rated capacity of all output
contacts is NEC Class2 (30Vdc/1Adc). All dry contacts should be operated at their rated
values or lower. Figure 29 illustrates a typical installation. The external relay can also be a
lamp, LED, computer, etc.
Figure 29
Control Wiring for External Contacts
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 at 1-800-887-7830.
B) Input Contacts (for remote access of UPS)
External contacts are provided by the user of the UPS system. The terminal voltage at the
UPS is 24Vdc. Provide external dry contacts accordingly.
CAUTION:
Do not apply voltages to remote access input terminals.
Damage to the UPS may result.
!
NOTE
CAUTION
External to UPS
Cabinet
Terminal
UPS Cabinet
NEC Class 2
Power Source
Terminal
Relay
Contact
Relay
Coil
User supplied
Summary of Contents for 1100B Series
Page 2: ...Preface ...
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