Siemens SIMATIC PG 760 Manual page 53

PG 760 Expansions
Removal and
Installation of Disk
Drive Block (Front)
4
Installation of the
Disk Drive Block
4-16
The CD-ROM drive is fitted in a disk drive block on the front of the unit. A
vacant slot is present in the block for an additional drive.
Disk drive block
Figure 4-9
To install or remove the disk drive block, proceed as follows:
1. Turn off the unit and unplug the power cable.
2. Open the unit as described in Section 4.1.
3. Unplug the connecting cable from the integrated disk drives.
4. Loosen the locking screws on the disk drive block.
5. Slide the disk drive block back by approximately 2 cm.
6. Lift the disk drive block out of the casing.
7. To install disk drive blocks, follow the above procedure in reverse.
8. Close the unit as described in Section 4.8.
Caution
!
Risk of damage!
The electronic components on the printed circuit boards are extremely sensitive
to electrostatic discharge. When handling the boards or cards, you must follow
the guidelines for electrostatically sensitive components (ESD guidelines) at
the end of this book, otherwise the module or device may be damaged.
Locking screws
Disk Drive Block with Free Slot
PG 760 Programming Device
C79000-G7076-C761-01