3-3
PG 720 P Programming Device
C79000-G7076-C721-02
All the connectors and interface ports for connecting to external devices are
located on the left side panel of the PG 720 (communications side).
LPT1 port
Contrast control
VGA port
Power switch
LEDs
PS/2 mouse
COM 2 port
COM 1 port
Power supply
connector socket
MPI/DP port
Figure 3-2
Left-Hand Side Panel with Cover Plates Removed
The following table contains an overview of the various interface ports and
connectors on the left-hand side panel:
Table 3-1
Connectors on the Left-Hand Side Panel of the Unit
Ports and Connectors
Function
VGA port
Connection for external monitor
COM 2
Serial port
RS 232 /
Connection for serial mouse
RS-232 / mouse
Serial port
Connection for serial printer
COM 1
RS-232 /MODEM /PLC
Serial port
Connection for S5 programmable logic
controller
MPI (multipoint interface)
Connection for S7 programmable logic
controller
LPT 1 printer
P
ll l
Connection for parallel printer
p
Parallel port
p
p
PS/2 mouse
Connection for PS/2 mouse
External power supply unit
Connection for 17 V DC from external
power supply unit
Left-Hand Side
Panel
(Communications
Side)
Connectors and
Ports
Getting to Know the PG 720