Overview

General

Refer to Technical Data for data for safety-related calculations and the maintenance plan.

Overview of the Safety-Related Functions

The safety module eSM offers the following safety-related functions:

	Safety-related sub-functions as per IEC 61800-5-2:
STO	Safe Torque Off No power that can cause torque or force is supplied to the motor.
SOS	Safe Operating Stop SOS monitors the standstill position. The power stage is enabled.
SLS	Safely Limited Speed SLS monitors speed limits.
SS1	Safe Stop 1, type SS1-r (ramp-monitored) SS1 consists of: Monitored deceleration of the movement according a specified deceleration ramp. STO (triggered after standstill has been reached).
SS2	Safe Stop 2 , type SS2-r (ramp-monitored) SS2 consists of: Monitored deceleration of the movement according a specified deceleration ramp. SOS (triggered after standstill has been reached).

The safety-related functions listed above correspond to the safety-related sub-functions as defined by IEC 61800-5-2. The term “safety-related function” in the present document corresponds to the term “safety-related sub-function” as defined by IEC 61800-5-2 for the above functions.