Siemens SIMATIC S7-1500 Manual page 39

Product overview
2.5 Operating and display elements
Note
Temperature range for display
To increase its service life, the display switches off at a temperature below the permitted
operating temperature of the device. When the display cools down again, it automatically
switches itself on again. When the display is switched off, the LEDs continue to show the
status of the CPU.
For more information on the temperatures at which the display switches itself on and off,
refer to the Technical specifications (Page 50).
Pulling and plugging the front panel with display
You can pull and plug the front panel with display during operation.
Personal injury and damage to property may occur
If you pull or plug the front panel of an S7-1500 automation system during operation,
personal injury or damage to property can occur in zone 2 hazardous areas.
Before you remove or fit the front panel, always switch off the power supply to the S7-1500
automation system in hazardous area zone 2.
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WARNING
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Equipment Manual, 07/2021, A5E40882737-AB