Operating instructions

Mounting and connecting

4.3 Connecting the HMI device

MP 377, MP 377 PRO (WinCC flexible)

Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0

Note when connecting

NOTICE

USB connection sequence

Observe the following sequence when connecting by USB:

1. HMI device

2. PC

USB host-to-host cable

Use only the driver for the USB host-to-host cable that is included in the WinCC flexible

package. Never use the driver supplied with the USB host-to-host cable.

Note

Updating the operating system

If there is no serviceable HMI device image on the HMI device, you can only update the

operating system by restoring the factory setting. When restoring the factory settings,

connect the PC to the HMI device by PROFINET.

HMI device changeover

If you connect more than one HMI device with the same IP address in succession to a single

configuring PC, you need to ping the configuring PC once from the HMI device on each

changeover of the HMI device.

Note for MP 377 PRO 15" Touch

Use an angled tool, such as an Allen wrench, to loosen the latch of the RJ45 connector

for PROFINET.