contact normally open. contact normally closed.

EX 5/7/11RT Systems

2.5.2 Connecting the Dry (Relay) Contact Communication Port 2

The system status is indicated by the connection of common pin (Pin 5) to the appropriate pins. Refer to the pin explanations below for details.

Figure 2-9: Relay Pin Connections for Communication Port.

 

5

4

3

2

1

 

 

 

9

8

7

6

 

NC

NO

 

NO

 

NO

NO

common

When the status is active, the contact between the common (Pin 5) and the relevant information pin is closed.

Pin 1, 2: not used.

Pin 3: Remote Power Off signal (5 to 27 VDC, 10 mA max).

Pin 4: Operation on mains (not on battery). (48VDC, 2A max.)

Pin 5: User common.

Pin 6: Operation on automatic bypass.

Pin 7: Low battery.

Pin 8: Load protected

Pin 9: Operation on battery.

Legend:

NO:

NC:

2.5.3Installation of Optional Transverse Card

It is not necessary to shut down the UPS to install the optional communications card, except for USB card. Following is a typical installation of the Transverse card (optional Network Management card PN 66074 is shown below).

Proceed as follows:

1.Remove the slot cover secured by two screws.

2. Insert the Transverse card into the slot 1 .

3.Secure the card with both screws.

4.Refer to user manual of the Network Management Card for set-up.

Figure 2-10: Communication Card Slot with Network Management Card installed.

1

2 — 10

Installation

86-86000-00 B00

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MGE UPS Systems EX-5, EX-7, EX-11RT manual Connecting the Dry Relay Contact Communication Port