Siemens CP 1515 Betriebsanleitung PDF herunterladen (Seite 16)

Description of the SCALANCE W744

Operating Instructions SCALANCE W 744-1PRO

16 C79000-G8976-C185-03

Notice

If the LED for the WLAN interface does not light up green during startup although it

is activated, then initialization of the interface was unsuccessful.

This can occur, in particular, when the operating temperature has not yet been

reached. If the SCALANCE W 700 products are started up in negative tempera-

tures, waiting times of up to 15 minutes are possible.

Configuration Information on the C-PLUG

The C-PLUG is used to transfer the configuration of the old device to the new de-

vice when a device is replaced. When the new device starts up, it continues with

exactly the same configuration as the old device. One exception to this can be the

IP configuration if it is set over DHCP and the DHCP server has not been reconfig-

ured accordingly.

Replacing the C-PLUG

Follow the steps below to replace a C-PLUG in a SCALANCE W744:

1. Remove the old SCALANCE W744 from its mounting and open the sealing

screw on the rear with a coin or broad screwdriver.

2. Remove the C-PLUG.

3. Open the sealing screw of the new device in the same way and insert the C-

PLUG of the old device.

4. Replace the sealing screws of both devices.

If a new C-PLUG is inserted in a SCALANCE W744-1PRO, the configuration

stored locally on the SCALANCE W744-1PRO is saved to the C-PLUG. If an incor-

rect C-PLUG (for example from another device or a damaged plug) is inserted, the

SCALANCE W744 signals an error with the red LED. The user then has the choice

of either removing the C-PLUG again or selecting the option to reformat the C-

PLUG and use it.

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Siemens CP 1515 Betriebsanleitung Seite 16