Monitoring Of Synchronous Operation - Siemens SINUMERIK 840D sl Function Manual

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S3: Synchronous spindle

14.1 Brief description

Monitoring of synchronous operation

Fine/coarse synchronism

In addition to conventional spindle monitoring operations, synchronous operation between the

FS and LS is also monitored in synchronous mode.

IS "Fine synchronism" (DB31, ... DBX98.0) or IS "Coarse synchronism" (DB31, ... DBX98.1)

is transmitted to the PLC to indicate whether the current position (AV, DV) or actual speed

(VV) of the following spindle lies within the specified tolerance window.

When the coupling is switched on, the signals "Coarse synchronism" and "Fine synchronism"

are updated when setpoint synchronism is reached.

Function Manual, 10/2015, 6FC5397-1BP40-5BA3

Extended Functions

Sinumerik 828d