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4function description, 3 safety functions – Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC User Manual

Page 42

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4.3

Safety functions

4

Function Description

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]

4-24

Activate the tolerance range:

The tolerance range becomes active the first time the speed limit val-
ue is exceeded (see flowchart).

Reaction:

If the tolerance range is exceeded, the safety function SS1 (E-STOP
braking ramp) is activated.

The following diagrams illustrate the sequences, with and without the
tolerance range activated.

Sicherheitsfunktion_SSR_S1_oT_Diagramm

Timing diagram without tolerance range activated

Fig. 4-8:

Safety function SSR without tolerance range activated

Sicherheitsfunktion_Legende_SSR

t

a

: Activation of safety function SSR

t

e

: Once the SSR delay time has elapsed, the speed is monitored

Sicherheitsfunktion_Legende_SSR_S1

SS1 Activate: Input for safety function SS1

SS1 SIL3/Reset: Input for SIL3 and reset

v

t

SS1 SIL3/Reset

1

0

1

0

Limit value

for maximum speed

1

0

1

0
1

0

SS1 Activate

Ready

STO Acknowledge

1

0

SRA Acknowledge

SSR Activate

SSR delay time

ta

te

Limit value

for minimum speed

SSR

SSR

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