Altivar Process ATV630 Function Manual page 35

Multi drive Drive Systems Connection Diagram
This connection diagram applies for multidrive Altivar Process Drive Systems configuration, with option
VW3AP1502 (Safe Torque Off STO - SIL 3 Stop Category 0) according to IEC 61508 capability SIL 3, ISO
13849-1 category 3 PL e, IEC 60204-1 stop category 0 without protection against supply interruption or
voltage reduction and subsequent rotation.
Legend:
A1: Drive Systems enclosure with certified architecture, with built-in Drive Systems components

assembly and with option VW3AP1502.


S62: External Emergency Stop button (not included within the certification)

Kx: optional additional contacts within the safety path (not included within the certification). These

contacts have to be taken into account separately for the safety path calculation.
NOTE: An EMERGENCY STOP is requested. This request leads to a category 0 stop. The power stage is
immediately disabled via the inputs STOA and STOB of the safety function STO. Power can no longer be
supplied to the motor. If the motor has not yet stopped at this point in time, it coasts down in an uncontrolled
way (uncontrolled stop).
EAV64334 06/2017
A01: Control block of the Drive System
S61: Emergency Stop buttons mounted in the enclosure door
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