Installing And Operating The; Connecting The Pg 720 To The Power Supply - Siemens SIMATIC PG 720 P Manual

Installing and Operating the PG 720
4.1

Connecting the PG 720 to the Power Supply

Connecting to the
You can operate the PG 720 on 115 V and 230 V power systems using the
Power Supply
external power supply unit. The voltage is selected automatically.
1. Plug the power supply cable supplied with the unit into the connector on
2. Connect the power cable to a socket outlet with a grounded protective
3. Connect the low voltage connector to the connection for the external
4. The device is now ready for power supply operation and the battery will
Figure 4-1
Note
The power plug must be disconnected to isolate the unit completely from the
supply.
For operation in Canada and the US, a CSA or UL listed power supply cable
must be used.
The external power supply unit is intended for operation with grounded power
supply systems (TN networks according to IEC 364-3).
The unit is not intended for operation with non–grounded or
impedance-grounded systems (IT networks).
4-2
the external power supply unit.
conductor.
power supply on the unit. The power supply cable to the PG 720 is
integrated in the external power supply unit.
be charged if required.
Connection for external
power unit
V = 17.5 V DC
N
Power Supply Connection
PG 720 P Programming Device
C79000-G7076-C721-02