Name: AUMA SQ 05.2
Brand: AUMA
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Figure 7: Application example: Lock

4.6. System representation

The representation below shows the simplified design of an AC 01.2/ACExC 01.2

in SIL version.

Figure 8: Simplified system representation

Part-turn actuators

with AC 01.2-SIL/ACExC 01.2-SIL Safety instrumented systems and safety functions

Table of Contents2
Terminology5
Abbreviations and Concepts5
Application and Validity7
Range of Application7
Standards7
Valid Device Types7
Architecture, Configuration and Applications8
Architecture (Actuator Sizing)8
Configuration (Setting)/Version9
Protection against Uncontrolled Operation (Self-Locking/Brake)11
Operation Mode (Low/High Demand Mode)11
Further Notes and Indications on Architecture11
Applications (Environmental Conditions)12
Safety Instrumented Systems and Safety Functions13
Safety Instrumented System Including an Actuator13
Safety Functions13
Safe Inputs and Outputs14
Redundant System Architecture14
Examples of Applications15
System Representation17
Installation, Commissioning and Operation18
Installation18
Commissioning20
Operation20
Lifetime21
Decommissioning21
Indications on Display22
Status Indications on SIL Functions22
SIL Configuration Warning23
Backlight23
Signals24
Signals Via SIL Module24
SIL - Fault Signal Via the Standards Actuator Controls Display (for Troubleshooting Support)24
Status Signals Via Output Contacts (Digital Outputs) of Standard Actuator Controls25
Signals Via Fieldbus of Standard Actuator Controls26
Tests and Maintenance27
Safety Equipment: Check27
Internal Actuator Monitoring with Control Via Standard Actuator Controls27
Partial Valve Stroke Test (PVST): Execute27
Proof Test (Verification of Safe Actuator Function)29
Preliminary Test30
Check Safe ESD Safety Operation Safe OPENING/CLOSING30
Check SIL Fault Signal Actuator Monitoring31
Check Safe ESD Reaction for Motor Protection (Thermal Fault)" Signals31
Check Safe ESD Reaction to Limit Seating with Overload Protection32
Check Safe ESD Reaction to "Forced Limit Seating in End Position" (Limit Evaluation)33
Check Safe ESD Reaction to "Forced Torque Seating in End Position35
Check Safe ESD Reaction for no Seating" (no Evaluation of Limit and Torque)35
Check Safe STOP Function37
Check Combination of Safe ESD and Safe STOP Function37
Maintenance38
Safety-Related Figures39
Determination of the Safety-Related Figures39
Specific Parameters for AC 01.2 Actuator Controls in SIL Version with Actuators of SQ40
SIL Certificate45
Checklists46
Commissioning Checklist46
Proof Test Checklists46
Safe ESD Safety Operation (Safe OPENING/CLOSING) Irrespective of the Selected46
SIL Fault Signal "Actuator Monitoring" Irrespective of the Selected Control Unit46
Safe ESD Reaction for "Motor Protection (Thermal Fault)" Signals Irrespective of the47
Safe ESD Reaction to "Limit Seating with Overload Protection48
Safe ESD Reaction to "Forced Limit Seating in End Position" (Limit Evaluation) for Actu48
Safe ESD Reaction to "Forced Limit Seating in End Position" (Limit Evaluation) for Actu49
Safe ESD Reaction to Forced Torque Seating in End Position (Limit Evaluation) for Actu50
Safe ESD Reaction to "No Seating" for Actuators with Electromechanical Control Unit50
Safe STOP Function Irrespective of the Selected Control Unit51
11.2.10. Combination of Safe ESD and Safe STOP - Irrespective of the Selected Control Unit52
Index55

Brand	AUMA
Model	SQ 05.2
Category	Controller
Language	English

AUMA SQ 05.2 Manual

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