Connecting I/O Devices - Siemens SIMATIC PG 720 P Manual

4.3

Connecting I/O Devices

Recommended
Siemens printers with a parallel interface and IBM character set are
Printers
recommended for use with the PG 720 programming device.
Connecting the To connect your printer, proceed as follows:
Printer to the
1. Switch off the PG 720 and the printer.
Parallel Port
2. Open the cover to the interface ports on the left-hand side panel.
3. Plug the printer cable into the LPT1 parallel port.
4. Connect the printer cable to the printer.
5. Screw the connector tight at the interface port.
Figure 4-3
Caution
!
Risk of damage to the unit!
Switch the unit off before connecting the parallel printer to the LPT 1 port
(the printer should also be switched off).
Make sure that you use the correct port. If you use the wrong port or
wrong connecting cables, the port may be damaged.
Before plugging in the cables, the electrostatic charge of your body, the unit,
and the cables must be equalized. To do this, touch the mounting plate for the
ports on the left-hand side of the unit.
Only use original connecting cables.
PG 720 P Programming Device
C79000-G7076-C721-02
COM2 port
(serial)
COM1 port
(serial)
The Printer Ports
Installing and Operating the PG 720
LPT1 socket
(parallel)
4-5