Siemens SIMATIC NET SCALANCE W720, Руководство по эксплуатации

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SCALANCE W760 / W720
Operating Instructions, 03/2022, C79000-G8976-C322-13
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Installation and removal
5
5.1 Safety notices for installation
Safety notices
When installing the device, keep to the safety notices listed below.
NOTICE
Improper mounting
Improper mounting may damage the device or impair its operation.
•
Before mounting the device, always ensure that there is no visible damage to the
device.
• Mount the device using suitable tools. Observe the information in the respective
section about mounting.
WARNING
Improper disassembly
Improper disassembly may result in a risk of explosion in hazardous areas.
For proper disassembly, observe the following:
•
Before starting work, ensure that the electricity is switched off.
• Secure remaining connections so that no damage can occur as a result of
disassembly if the system is accidentally started up.
CAUTION
Minimum distance to antennas
Fit the device so that there is a minimum clearance of 20 cm between antennas and
persons.
WARNING
If a device is operated in an ambient temperature of more than 50 °C, the temperature
of the device housing may be higher than 70 °C. The device must therefore be
installed so that it is only accessible to service personnel or users that are aware of the
reason for restricted access and the required safety measures at an ambient
temperature higher than 50 °C.