SIMATIC PN/J1939 LINK
Operating Instructions, 12/2018, A5E45307564-AA
35
Safety instructions and guidelines
Safety information
Connection only over safety extra-low voltage / protective extra-low voltage
May cause death or serious injury
The device is designed for operation using directly connectable safety extra-low voltage
(SELV) with safe electrical separation according to IEC 60950-1 / EN 60950-1 /
VDE 0805-1 or IEC 61131-2 / EN 61131-2 / DIN EN 61131-2.
To obtain the safe property of low-voltage circuits of the PN/J1939 LINK, the 24 V rated
voltage supply and external connections to communication interfaces must be supplied
from approved sources that meet requirements set forth by various standards for
SELV/PELV voltage-limited sources.
Therefore only connect safety extra-low voltages (SELV) with safe electrical separation
according to IEC 60950-1 / EN 60950-1 / VDE 0805-1 to the supply voltage connections
and the communications interfaces.
Working on the device or on connected components
Risk of electric shock
May cause death or serious injury
• Voltages > 60 V DC or 30 V AC are present in the control cabinet. Therefore appropriate
safety precautions must be taken to prevent contact during commissioning and
maintenance work.
• B
efore working on the PN/J1939 LINK or the connected components, ensure the system
is disconnected from the power.
When wiring the PN/J1939 LINK, adhere to the wiring guidelines of your automation system
(e.g. SIMATIC S7-1200, SIMATIC S7-1500, SIMATIC ET 200SP).
Also observe the installation instructions and configuration guidelines for routing of the
PROFINET cables.
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