Typical Falcon Opto-coupler Interface Card

PIN ASSIGNMENT FOR THE FALCON

UA88373 OPTO-COUPLER OPTION BOARD

(no-bypass signal)

PIN

DESCRIPTION

1

Not Used

2

Utility Loss (N.O.) (Closes upon utility loss)

3

Utility Loss (N.C.) (Opens upon utility loss)

4

Common for pins 2, 3 & 5

5

Low Battery (N.O.) (Closes at low battery)

6

Remote Shutdown

 

Applying a +5-+12Vdc voltage level for >500ms,

 

while the UPS is on battery will shutdown the

 

UPS

7

Not Used

8

Not Used

9

Not Used

OPTO Board Internal Circuitry

 

 

 

Utility Loss

 

(E)

(B)

(K)

 

 

 

 

 

 

DB-9

(C)

 

(A)

6

 

 

 

2

 

 

 

7

 

 

 

 

To CPU

 

 

8

3

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

Alarm Signal

 

 

 

 

 

 

 

 

Low Battery Signal

 

 

 

17

 

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Falcon SG800-2T, SG800-1T Typical Falcon Opto-coupler Interface Card, No-bypass signal, Opto Board Internal Circuitry