Siemens SIMATIC PG 720 P Manual page 48

Installing and Operating the PG 720
Connecting the You can connect the PG 720 to a SIMATIC S5 programmable logic controller
PG 720 to S5
using the COM1/TTY interface port. The cable for connecting to SIMATIC
Programmable
S5 CPUs is supplied with the PG 720 ( Order no.: 6ES5734-2BD20).
Controllers
Figure 4-10
You connect your PG 720 to a SIMATIC S5 programmable logic controller as
follows:
1. Switch off your device.
2. Open the cover of the interface ports on the left-hand side panel.
3. Plug the cable into the COM1/RS-232 modem/PLC interface port.
4. Secure the connector with screws.
5. Plug the cable into the corresponding port on the CPU of the
Caution
!
Risk of damage to the PG 720!
The interface port may be damaged if you confuse the connections or use the
wrong connecting cables.
Make sure that the TTY cable of the PG 720 is plugged into the
COM1/TTY port and not into the LPT1 port.
Before plugging the cable in, the static charge on your body, the unit, and the
connecting cables must be equalized. You can do this by briefly touching the
metal mounting plate for the interfaces on the left-hand side panel of the
device.
Only use original cables to connect the programmable logic controller.
4-14
COM 1
(socket)
Connecting the PG 720 to an S5 Programmable Logic Controller
programmable logic controller.
PG 720 P Programming Device
C79000-G7076-C721-02