7.
Signals.....................................................................................................................................
7.1.
Signals via SIL module
7.2.
SIL - fault signal via the standards actuator controls display (for troubleshooting support)
7.3.
Status signals via output contacts (digital outputs) of standard actuator controls
7.4.
Signals via fieldbus of standard actuator controls
8.
Tests and maintenance..........................................................................................................
8.1.
Safety equipment: check
8.2.
Internal actuator monitoring with control via standard actuator controls
8.3.
Partial Valve Stroke Test (PVST): execute
8.4.
Proof test (verification of safe actuator function)
8.4.1.
Preliminary test
8.4.2.
Check Safe ESD safety operation “Safe OPENING/CLOSING”
8.4.3.
Check SIL fault signal “Actuator monitoring”
8.4.4.
Check Safe ESD reaction for “Motor protection (thermal fault)” signals
8.4.5.
Check Safe ESD reaction to “Limit seating with overload protection” (limit and/or torque
evaluation)
8.4.6.
Check Safe ESD reaction to “Forced limit seating in end position” (limit evaluation) –
for actuators with electromechanical control unit
8.4.7.
Check Safe ESD reaction to “Forced limit seating in end position” (limit evaluation) –
for actuators with electronic control unit and limit switches
8.4.8.
Check Safe ESD reaction to “Forced torque seating in end position” (torque after limit
evaluation)
8.4.9.
Check Safe ESD reaction for “no seating” (no evaluation of limit and torque)
8.4.10.
Check Safe STOP function
8.4.11.
Check combination of Safe ESD and Safe STOP function
8.5.
Maintenance
9.
Safety-related figures.............................................................................................................
9.1.
Determination of the safety-related figures
9.2.
Specific parameters for AC 01.2 actuator controls in SIL version with actuators of SQ .2
series
10.
SIL Certificate.........................................................................................................................
11.
Checklists...............................................................................................................................
11.1.
Commissioning checklist
11.2.
Proof test checklists
11.2.1.
Safe ESD safety operation (Safe OPENING/CLOSING) – irrespective of the selected
control unit
11.2.2.
SIL fault signal “Actuator monitoring” – irrespective of the selected control unit
11.2.3.
Safe ESD reaction for “Motor protection (thermal fault)” signals – irrespective of the
selected control unit
11.2.4.
Safe ESD reaction to “Limit seating with overload protection” (limit and/or torque eval-
uation) – for actuators with electromechanical control unit
11.2.5.
Safe ESD reaction to “Forced limit seating in end position” (limit evaluation) – for actu-
ators with electromechanical control unit
11.2.6.
Safe ESD reaction to “Forced limit seating in end position” (limit evaluation) – for actu-
ators with electronic control unit and limit switches
11.2.7.
Safe ESD reaction to Forced torque seating in end position (limit evaluation) – for actu-
ators with electromechanical control unit
11.2.8.
Safe ESD reaction to “No seating” – for actuators with electromechanical control unit
or with electronic control unit with limit switches
3
Part-turn actuators
with AC 01.2-SIL/ACExC 01.2-SIL
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