Getting To Know The Pg 720 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Hardware Components Of The - Siemens SIMATIC PG 720 PII Manual

Getting to Know the PG 720
3.1 Hardware Components of the PG 720
Front You can access all of the important operator controls and displays from
the front, base, or sides of the unit. Figure 3-1 shows the front of the
PG 720.
Detail
7
14
6
8
1 On/Off switch
2 Carrying handle
3 LC display
4 Cover flap for module ports, memory card
ports, PCMCIA ports, and floppy disk drive
5 Stand
1)
The cover flaps are used to protect the ports from dust,
and can be removed and replaced as required.
2)
Can be accessed from the base when the device is turned
upside down.
3) Press this button for 1 second in order to switch on the
programming device. A hard reset (override) is performed if
you hold down the button longer than 7 seconds.
4) External storage media: hard disk drive, floppy disk drive,
CD-ROM drive.
See Table 3-1 for more information on
the Akku and Power LEDs.
Figure 3-1 The Front of the PG 720
3-2
9
13 3 2
1
11
6
7
8
1)
9
10 Pivot
11 Protector strip
12 CD-ROM drive
14 Speaker
9
Keyboard
Cover flap for COM1/COM2 port,
MPI/DP port, mouse port, and LPT1/printer
1)
port
Trackball
Catches for locking keyboard
2)
Detail
13
LEDs
Akku
Power
Accessing external storage
medium
Submodule programming
active
MPI/DP port active
PG 720 PII Programming Device
C79000-G7076-C756-02
4
10
14
5
12