Siemens Sinumerik 840D sl Function Manual page 160

Sinumerik safety integrated

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Table of Contents

Safety functions integrated in the system/drive

6.5 Safely reduced speed (SG)

From lower to higher

From higher to lower

Note: See Chapter 6.5.2, "Selecting/deselecting safely reduced speed"

Changing between SGEs "SG override selection, bits 3, 2, 1, 0" continuously and

quickly may initiate a STOP F.

Selecting an SG override

The active speed limit value (SG1, 2, 3 or 4) is selected using SGEs "SG selection

bits 1 and 0". The desired override is selected by combining SGEs "SG override

selection bits 3, 2, 1 and 0". The override is only effective for the speed limit value

for SG2 and SG4.

Selecting the SG override for safely reduced speed

SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition

Changing--over SG override stages

Instantaneous

The time parameterized using MD36951/p9551 is started. The

axis/spindle must be braked within this delay time.

Speed limit value for SG1

Speed limit value for SG2

active with override stage 0

... with override stage 1

... with override stage 2

... with override stage 3

... with override stage 4

... with override stage 5

... with override stage 6

... with override stage 7

... with override stage 8

... with override stage 9

... with override stage 10

... with override stage 11

... with override stage 12

Sinamics s120