Emerson 60HZ, 480V 2.3.1Input Dry Contacts, 2.3.2Maintenance Bypass Cabinet Interface, Table

Electrical Connections

2.3.1Input Dry Contacts

There are several input dry contacts at the X3 slot.

Figure 7 Input dry contacts

+12V +12V

X3

+12V

J4

+12V GEN BtG ENV

J26

GND +12V AUX_I T_IT

J30

AUX_0 T_0T F_FAN FUSE

+12V

J10

OL GND FB DRV

		NOTE: The black square ( ) on each slot indicates Pin 1.
Table 1	Input dry contacts at X3
Position	Name	Description
J4.1	ENV3	Battery Room Alarm (Normally Closed)
J4.2	BtG	Battery Ground Fault Detection (Normally Closed)
J4.3	GEN1,2	Generator Join Detection (Normally Open)
J4.4	+12V	+12V Power

1 - Must be configured using configuration software before becoming active.

2 - When activated, the charger current can be limited, via software, to a percentage of the full charger current (0-100%). 3 - Activating this feature turns the battery charger off.

2.3.2Maintenance Bypass Cabinet Interface

J26 and J30 are the MBC interface.

Table 2 Maintenance bypass cabinet interface

Position	Name	Description
J26.1	T_IT1	Input transformer over temperature (N.C.)
J26.2	AUX_I	Reserved
J26.3	+12V	+12V Power
J26.4	GND	Power Ground
J30.1	FUSE	Reserved
J30.2	F_FAN	Fan Fail Alarm (N.C.)
J30.3	T_OT1	Output Transformer Overtemperature (N.C.)
J30.4	AUX_O	Reserved

1- Must be configured using configuration software before becoming active.

NOTE

All auxillary cables of terminal must be double-insulated. The wire must be 600V, 18-16 AWG stranded for maximum runs between 82 and 197 feet (25-60m), respectively.

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