WARNING
If the temperature at the cable or housing socket or at the branching points of the cables
exceeds 60°C, special precautions must be taken. If the equipment is operated at ambient
temperatures in excess of 40 °C, only use cables with permitted operating temperature of at
least 80 ℃.
5.2 Types of installation
For the device, you have the following options:
• Wall mounting
• Installation on a 35 mm DIN rail
– direct
– rotated by 90
0
with a DIN rail mounting adapter (see Accessories (Page24))
• Installation on the S7-300 mounting rail
• Installation on the S7-1500 mounting rail
CAUTION
Danger of injury by falling objects
If the SCALANCE W is subjected to very strong vibration (> 10 m/s
2
), mounting on a DIN rail or
S7-300 / S7-1500 mounting rail does not provide adequate support. Under such conditions, the
device can come out of the mounting and may cause injury.
In this case, install the device on a wall.
Strain relief for the cables
Regardless of the type of installation, make sure that there is suitable strain relief for the
connecting cable.
Shielding of cables
If cables are installed permanently, it is advisable to remove the insulation of the shielded
cable and to establish contact on the shield/PE conductor bar.
Permitted mounting position
• Vertical mounting position (ventilation openings at the top and bottom)
• Horizontal mounting position (ventilation openings to the right and left)
You can nd information about the ambient temperature under Permitted ambient
conditions.
Installation and removal
5.2Types of installation
SCALANCE MUM853-1
36 Operating Instructions, 03/2023, C79000-G8976-C650-05
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