SMC Networks SMC7824M/ESW Instrukcja Użytkownika Pobierz pdf (Strona 55)

C

ONNECTING

TO

THE

A

LARM

P

ORT

3-17

The following figure shows the pinout information for the DB-15

ALARM connector on the front panel.

Figure 3-11 External Alarm I/O Connections

1

11

6

2

12

7

9

10

3

4

NC

NO

COM

Major Alarm

NC

NO

COM

Minor Alarm

External Alarm Input 1

External Alarm Input 2

External Alarm Input 3

To backplane via internal signal

converter circuits.

External input uses dry relay contact

to pins 14, 15, 13 and 8 for grounding.

For active alarm, the relay is closed.

Alarm Connector

External Alarm Input 4

ALARM_IN1_EXT_P

ALARM_IN1_EXT_RTN

Alarm input is isolated by photo-coupler.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 103 104

Komentarze do niniejszej Instrukcji

Brak uwag