Electrical installation
Wiring for the operation of inputs and outputs
6
l
53
EDBMZ9374X DE/EN/FR 4.2
ƒ Use this wiring as from version 33.9374IB.1A.10.
GND I/O1
I/O2
I/O3
I/O4 I/O5
I/O6 GND
I/O7
LO
I/O8
HI
mC
-+
GND24V
OUT
24V
1
2
34 5
0
~
–
PE
9374_015
0 Power supply with +24 VDC output voltage
l When dimensioning the power supply take into account the currents at the
outputs (max. 1 A per output).
1 Emergency switch
l It must be ensured that the outputs do not carry any voltage when the switch
is actuated.
2 Digital inputs with normally−open contact
3 Digital outputs with consumer
4 System bus (CAN) (
^ 56)
5 PE connection (6.3 mm AMP connector)
l Connect the PE connection with the conductive rear panel of the control
cabinet. This ensures a troublefree operation of the terminal extension.
{ Danger!
Install an additional mains isolation if
ƒ the terminal extension is connected to a host,
ƒ a safe mains isolation (double insulating distance) according to
EN 50178 is necessary.
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