Siemens Simatic PC Panel PC 870 Service Manual download pdf (Page 18)

Installing and Connecting the Panel PC 670/870 11/01

1–10 SIMATIC Panel PC 670/870 Commissioning Instructions

A5E00135748-01

In the case of Panel PC 670 with power supply up to model edition C (refer to the

rating plate, Figure 1–1), the following applies:

• High power USB devices can only be used with the front USB port of the Panel

PC 670 if those devices have their own power supply or the devices are

connected via an external USB hub with a separate power supply.

• This restriction is not applicable for devices with a power supply from model

edition D (refer to rating plate).

Panel PC 870 – Windows 2000

The Panel PC 870 has one USB interface on the front and two on the back.

The USB interface is a flexible and easy way to use standard USB peripheral

components.

In this way, for example, an external USB-compliant keyboard and mouse can be

connected. If the USB-capable keyboard is also equipped with an external USB

port (USB hub), other USB-capable devices (e.g. mouse) can be connected to it.

Notice

Only disconnect the plugs from the USB periphery devices after the Panel PC 870

operating system has been terminated.

Note

When using standard USB peripheral devices, note that their electromagnetic

interference immunity is often only sufficient for office environments. Such devices

are adequate for startup and maintenance purposes. However, components

suitable for an industrial environment must be used for the process operation.

The USB peripheral devices (e.g. keyboard, printer) are developed and marketed

by individual vendors. Support for the USB periphery devices is provided via the

respective product supplier. The terms of liability of the individual vendors or

suppliers apply.

USB periphery devices with a power consumption of up to 500 mA can be

connected to the Panel PC 870.

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Siemens Simatic PC Panel PC 870 Service Manual Page 18