Weidmuller AI8 - Multi channel signal transmitter Manual do Utilizador descarregar pdf (Página 24)

Connections (continued)

24 Receive −

RS422/485*

Output

(* For RS485 output connect 24 & 27 and 25

& 26)

25 Receive +

26 Transmit +

27 Transmit −

28 Not used

29 Normally Closed

Alarm Channel One

(standard)

30 Normally Open

31 Common

32 Normally Closed

Alarm Channel Two

(optional)

33 Normally Open

34 Common

35 Normally Closed

Alarm Channel Three

(optional)

36 Normally Open

37 Common

38 Normally Closed

Alarm Channel Four

(optional)

39 Normally Open

40 Common

Protective Earth Via stud on the underside of the case

Note 1: Double grey lines indicate isolation between ports

- Caution risk of electric shock (screw terminals can carry high voltages)

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Weidmuller AI8 - Multi channel signal transmitter Manual do Utilizador Página 24