
Eaton 93PM Integrated Accessory Cabinet-Tie (50 kW and 100 kW IAC-T) Installation and Operation Manual P-164000371—Rev 05
63
Table 20. IAC-T MOB, MBP, and Pull Chain Interface Terminals (Continued)
IAC-T
Terminal
Name
UPS Terminal
Description
TB1-13
MOB 3 Aux #1 NC
UPS 3 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 3 is open. Contacts are closed when MOB 3
is open.
TB1-14
MOB 3 Aux #1
COM
UPS 3 Building Alarm Return
TB1-15
MOB 3 Aux #2 NO
UPS 3 Pull Chain – Terminal
1
Output: UPS 3 Pull Chain – Backup control for parallel
operation
TB1-16
Pull Chain
Common
UPS 3 Pull Chain Return –
Terminal 2
Output: UPS 3 Pull Chain Common
TB1-17
MOB 4 Aux #1 NC
UPS 4 Building Alarm
Output: Normally Closed (NC) contact used to indicate
whether MOB 4 is open. Contacts are closed when MOB 4
is open.
TB1-18
MOB 4 Aux #1
COM
UPS 4 Building Alarm Return
TB1-19
MOB 4 Aux #2 NO
UPS 4 Pull Chain – Terminal
1
Output: UPS 4 Pull Chain – Backup control for parallel
operation
TB1-20
Pull Chain
Common
UPS 4 Pull Chain Return –
Terminal 2
Output: UPS 4 Pull Chain Common
TB2-1
MBP Aux 1 COM
UPS 1 MBP
Output: Normally Open (NO) contact used to indicate
whether the MBP is closed and the UPS system is on
maintenance bypass. Contacts are closed when the MBP is
closed.
TB2-3
MBP Aux 1 NC
UPS 1 MBP Return
TB2-2
MBP Aux 2 COM
UPS 2 MBP
Output: Normally Open (NO) contact used to indicate
whether the MBP is closed and the UPS system is on
maintenance bypass. Contacts are closed when the MBP is
closed.
TB2-4
MBP Aux 2 NC
UPS 2 MBP Return
TB2-5
MBP Aux 3 COM
UPS 3 MBP
Output: Normally Open (NO) contact used to indicate
whether the MBP is closed and the UPS system is on
maintenance bypass. Contacts are closed when the MBP is
closed.
TB2-6
MBP Aux 3 NC
UPS 3 MBP Return
TB2-7
MBP Aux 4 COM
UPS 4 MBP
Output: Normally Open (NO) contact used to indicate
whether the MBP is closed and the UPS system is on
maintenance bypass. Contacts are closed when the MBP is
closed.
TB2-8
MBP Aux 4 NC
UPS 4 MBP Return
NOTE
UPS building alarm signals are customer programmable. Customer interface wiring for the IAC-T MOBs assumes that the
UPS Building Alarm is programmed to monitor Normally Closed (NC) contacts.
Any pair of unused UPS building alarm terminals may be used for the MOB and MBP interface connections.
“Return“ indicates connection to electronics circuit ground. “Common” indicates connection to common side of isolated
relay contact
Содержание 93PM IAC-T Series
Страница 98: ...P 16400037105 P 164000371 05 ...