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Siemens Simatic PG 740 - Page 27

Siemens Simatic PG 740
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2
2-19
Programming Device PG 740
C79000-G7076-C742-01
Every time the PG 740 is switched on or reset, the hard disk drive performs a
self-test, which is repeated during operation.
Whenever the hard disk drive is accessed, the access LED on the front of the
unit lights up.
!
Caution
Risk of data loss and damage to drive!
Drives are sensitive to vibrations and shock. Any vibrations occurring during
operation can lead to the loss of data or damage to the drive.
If you intend transporting the unit, switch it off, and wait until the drive has
come to rest (about 20 seconds) before you move it.
Self-Test
Installing the PG 740

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