Siemens SIMATIC S7-1500R/H Manuale dell'apparecchiatura - Pagina 20
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Product overview
3.5 Operator controls and display elements
3.5
Operator controls and display elements
3.5.1
Front view of the CPU with closed front flap
The figure below shows the front view of the CPU 1517H‑3 PN.
①
②
③
④
⑤
Figure 3-3 View of the CPU 1517R‑3 PN (with front panel) - front
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, it automatically switches
itself on again. When the display is switched off, the LEDs continue to show the status of the
CPU.
You can find additional information on the temperatures at which the display switches itself
on and off in the Technical specifications (Page 35).
20
LEDs for the current operating state and diagnostic status of the CPU
Front panel with display
Display
Control keys
Front panel of the X3 and X4 interfaces
CPU 1517H-3 PN (6ES7517-3HP00-0AB0)
Equipment Manual, 11/2022, A5E42011886-AD