LevelOne IES-1082 Manual do Utilizador descarregar pdf (Página 18)

IES-1082 User Manual Page 18

Back View

Alarms for Power Failure

Step 1: There are two pins on the terminal block used for power failure detection. It

provides the normally closed output when the power source is active. Use this as a

dry contact application to send a signal for power failure detection.

Terminal Block

PW1

47 57VDC

Power Ground

PW2

47 57VDC

Power Ground

Earth Ground

Relay Output

1A @ 250VAC

Relay Alarm warning signal disable for following:

3. The relay contact closes if Power1 and Power2 are both failed but Power3 on

4. The relay contact closes if Power3 is failed but Power1 and Power2 are both on

DC Jack

PW3

DC Jack

48VDC

Special note:

The relay output is normal open position when there is no power to the switch.

Please do not connect any power source to this terminal to prevent shorting your

power supply.

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LevelOne IES-1082 Manual do Utilizador Página 18