Keba CDF3000, Operation Manual

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Operating Instructions CDF3000
3 Installation
3.10 Safe Torque Off
(STO)
Applies to all units from hardware index 2.4.
3.10.1 Danger analy-
sis and risk
assessment
Users of the safety function (STO) must comply with the EU Machinery
Directive 2006/42/EWG, or the latest applicable version as appropriate.
The manufacturer or its authorized representative is obliged to conduct a
risk analysis (in accordance with the latest applicable Machinery Direc-
tive) prior to marketing a machine. An analysis of hazards posed by the
machine must be conducted and appropriate measures instigated to
reduce/eliminate such hazards.
With the danger analysis all prerequisites for establishing the required
safety functions are fulfilled.
The CDF3000 safety function "Safe Torque Off (STO)" has been
approved by the accredited certification body "TÜV-Rheinland". Conform-
ance to parts
EN ISO 13849-1, EN 62061, EN 61800-5-1 and EN 61508 is ensured.
Qualification:
The operator of the safety related system is trained in
accordance with his state of knowledge, as is appropriate
for the complexity and safety integrity level of the safety
related system. This training includes the study of essen-
tial features of the production process and knowledge of
the relationship between the safety-related system and
the equipment under control (EUC).
3.10.2 Definition of
terms
STO = Safe Torque OFF
With the safety function STO the power supply to the drive is reliably
interrupted immediately (no electrical isolation). The drive must not be
able to generate a torque and so per- form any hazardous movement.
The standstill position is not monitored.
The "STO" function complies with stop category 0 in accordance with
EN60204-1.
Note:
see chapter 3.10.5: Hazard due to dangerous voltage and
see chapter 3.10.6: Hazard due to axis movement at the
motor.