Installation
Electrical installation
Wiring with a host (master)
5
l
24
EDSMF2178IB EN 3.0
5.2.2 Wiring with a host (master)
{ Danger!
An additional electrical isolation is required if a safe electrical isolation
(reinforced insulation) to EN61800−5−1 is necessary.
For this purpose for instance an interface module for the master computer with an
additional electrical isolation can be used (see respective manufacturer information).
For wiring observe the electrical isolation of the supply voltage. The supply voltage is on the
same potential as the data bus.
The 5−pole plug connector with double screw connection serves to
ƒ connect the bus (¶ 25);
ƒ effect the external voltage supply (¶ 30).
CAN_L
SHLD
V+
CAN_H
GND
120W
2178CAN003
Fig. 5−2 5−pole plug connector with double screw connection
Designation Explanation
GND Reference potential for external voltage supply
CAN−GND connection
CAN_L Data line / input for terminating resistor 120 W
SHIELD Shielding
CAN_H Data line / input for terminating resistor 120 W
V+ External voltage supply
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