Monitoring: Telegram Failure - Siemens SINAMICS S120 Function Manual

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Communication PROFIBUS DP/PROFINET IO

10.2 Communication via PROFIBUS DP

• You can operate a SIMATIC HMI together with a drive unit independently of an existing

• The "variable" HMI functions can be used for drive units. Other functions cannot be used

• Individual parameter values can be accessed. Entire arrays, descriptions, or texts cannot

Monitoring: telegram failure

After a telegram failure and the additional monitoring time has elapsed (p2047), bit r2043.0 is

set to "1" and alarm A01920 is output. Binector output r2043.0 can be used for an

emergency stop, for example.

Once the delay time (p2044) has elapsed, fault F01910 is output. Fault F01910 triggers fault

response OFF2 (pulse inhibit) for the infeed and OFF3 (emergency stop) for

SERVO/VECTOR. If no OFF response is to be triggered, the fault response can be

reparameterized accordingly.

Fault F01910 can be acknowledged immediately. The drive can then be operated even

without PROFIdrive.

Figure 10-26 Monitoring: telegram failure

Example: emergency stop with telegram failure

● A drive unit with an Active Line Module and a Single Motor Module.

● VECTOR mode is activated.

● After a ramp-down time (p1135) of two seconds, the drive is at a standstill.

A basic "point-to-point" connection can only be established between two nodes (devices).

(e.g. "messages" or "recipes").

be accessed.

Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5

Drive functions