Setting Up and Operating the SIMATIC Box PC 620

3.3Preparing for Operation

Connection to the Power Supply Unit

Connection to power supply

Inlet connector for non-

heating appliances

Figure 3-5 Connection to Power Supply (Inlet Connector for Non-Heating Appliances)

Caution

! The Box PC is equipped with a safety-tested mains cable and may only be con- nected to a grounded grounding outlet.

Make sure that the socket on the device or the grounding outlet of the building installation is easily accessible and as near as possible to the device.

The Box PC has no mains switch. The mains plug must be pulled out for complete mains separation. This point must be easily accessible.

If the PC is installed in a cabinet, there must be a central mains disconnector.

The AC power supply unit of the Box PC 620 is designed for 120/230/240V sys- tems. The power supply unit has a long-range input. It is not necessary to adjust the voltage span.

The DC-power supply unit of the Box PC 620 is designed for 24V systems. Optionally, one of these power supplies is installed.

3-10

SIMATIC Box PC 620 Manual

A5E00131465-01

Page 44
Image 44
Siemens 620 appendix Preparing for Operation, Connection to the Power Supply Unit