Aventics DDL Instrucciones De Servicio página 62

Acoplador de bus ddl, diseño b
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62
AVENTICS | DDL | R412009417–BDL–001–AD
Assembly
Total current is too high
The currents from the sensor and valve line (each max. 3 A)
are summed up. If the total output of the 0 volt line is greater
than 4 A, the device's plug and conductors will be overloaded.
Design the DDL system so that the total output of the
O
0 volt line is less than 4 A.
Dangerous voltages
A power pack without safe isolation may lead to dangerous
voltages in the case of a fault. This may damage the system
and cause injuries arising from electric shock.
Only use a power pack with safe isolation according to
O
EN 60747, classification VDE 0551! This ensures that the
electric circuits comply with SELV/PELV electric circuits
in accordance with IEC 60364-4-41.
How to connect the power supply on the bus coupler with an
external valve supply:
1. Set up the correct pin assignment (see Tab. 6) on the plug
connections if you do not use pre-assembled wiring.
2. Connect the power supply at the X10 (POWER) connection on
the bus coupler.
3. Check the operating voltage specifications using the
electrical characteristics and comply with them (see chapter
"Technical Data" on page 83).
NOTICE
CAUTION

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