Siemens SIMATIC NET CP 343-1 Uživatelský manuál stáhnout pdf (Strana 62)

9 Further Notes on Operation

B−62

CP 343-1 Advancedfor Industrial Ethernet / Manual Part B

Release 06/2008

C79000-G8976-C202-04

STEP 7 / NCM Diagnostics and Web diagnostics display the network setting

Diagnostics of the port settings for the CP described here is possible using the

entries in the diagnostic buffer over Web diagnostics, SNMP, NCM diagnostics,

and the LED displays.

You will find information on the currently used network settings in STEP 7 as

follows:

S In NCM Diagnostics under the diagnostic object “Industrial Ethernet” in the

“Network Attachment” group box;

S In HW Config with the menu command “PLC > Module Information”;

S In WEB diagnostics.

Diagnostic data of the gigabit interface are available only with Web diagnostics,

SNMP and NCM Diagnostics.

Further notes:

S Autocrossing

If you disable the “automatic setting” option, autocrossing is also disabled;

which cable you can then use depends on the role of the CP (network

component or end device).

S 10/100 Mbps network components without “autonegotiation”

If you use 10/100 Mbps network components that do not support

“autonegotiation”, you may have to set the mode manually during CP

configuration using STEP 7 / HW Config (in the properties dialog of the CP). As

default, the CP is configured for automatic detection.

S Forcing a specific network setting instead of “Autonegotiation”

If your application requires a fixed network setting instead of “Autonegotiation”,

both partner devices must have the same setting.

S No reaction to Autonegotiation query with manual configuration

Remember that if you configure the CP manually, it will not react to an

autonegotiation query! As a result, a connected partner will not be able to make

the required network setting and communication will not be established.

Example:

If, for example, the CP is set to “100 Mbps − full duplex”, a CP connected as

partner will set “100 Mbps − half duplex”. Reason: Due to the fixed setting, no

autonegotiation response is possible; the connected partner recognizes the

100 Mbps with autosensing but nevertheless remains in half duplex.

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 79 80

Žádné komentáře

Siemens SIMATIC NET CP 343-1 Uživatelský manuál Strana 62