Lenze 8240 HVAC Series - Manual (Page 37)

Installation
4-13 UOOuhäáã~_^NMMO
4.2.3.4 Connection diagrams of analog plug-in modules
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6 2 7 8 9 K 1 1 K 1 2 K 1 4 2 0 2 8 E 1 E 2 E 3 E 4 3 9
8 2 2 X / 8 2 4 X
2 0 2 8 E 1 E 2 E 3 E 4 3 9
8 2 7 9
R
3 K
G N D 2
G N D 1
V C C 1 5
5 %
0 . . . 1 0 V
Connection
Voltage supply for the 8279 plug-in module:
D
Plug the module on the controller.
D
Bridge terminals 7 and 39.
Note:
With this type of wiring there are 2 or more wires connected to
one terminal.To avoid this, provide an external connection facility.
cfd QJNM `зенкзд ÅçååÉÅíáçåëW pìééäó пбнЬ бенЙке~д Езенкзд оздн~ЦЙ
hPRKMNQOJO
6 2 7 8 9 K 1 1 K 1 2 K 1 4 2 0 2 8 E 1 E 2 E 3 E 4 3 9
8 2 2 X / 8 2 4 X
2 0 2 8 E 1 E 2 E 3 E 4 3 9
8 2 7 9
1 2 . . . 3 0 V
G N D 1
G N D 2
V C C 1 5
5 %
G N D
0 . . . 1 0 V
R
Danger!
There is no mains isolation between external supply and unit
mass.
There is no double mains isolation between the mains and the
terminals.
Therefore, the unit is not electrically isolated, i.e. not protected
against contact.
Connection
Voltage supply for the 8279 plug-in module:
D
Plug the module on the controller.
D
Bridge terminals 7 and 39.
Note
With this type of wiring there are 2 or more wires connected to
one terminal.To avoid this, provide an external connection facility.
cfd QJNN `зенкзд ÅçååÉÅíáçåëW pìééäó пбнЬ ЙснЙке~д Езенкзд оздн~ЦЙ EHNO KKK HPM sF
GND1 Reference for internal voltages
GND2 Reference for external voltages
GND1 and GND2 have a potential isolation inside the unit.
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