AUMA SQ 05.2 - Safe ESD Reaction for Motor Protection (Thermal Fault) Signals Irrespective of the

Table 23: Checklist 3
✎Configuration
Safe OPENING (Safe ESD in direction OPEN)
✎Configuration
Safe CLOSING (Safe ESD in direction CLOSE)
⎕ ✓1. Is actuator in mid-position or at sufficient distance
from the end positions?
⎕ ✓1. Is actuator in mid-position or at sufficient distance
from the end positions?
⎕ ✓2. Motor operation locked?⎕ ✓2. Motor operation locked?
⎕ ✓
3. Safe ESDa and Safe ESDb input signals
set to 0 V (low)?
⎕ ✓
3. Safe ESDa and Safe ESDb input signals
set to 0 V (low)?
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
SIL fault signal within 4 seconds?
SIL failure output (NC contact) = closed)
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
SIL fault signal within 4 seconds?
SIL failure output (NC contact) = closed)
⎕ ✓
4. Safe ESDa and Safe ESDb input signals
set to +24 V DC (high)?
⎕ ✓
4. Safe ESDa and Safe ESDb input signals
set to +24 V DC (high)?
⎕ ✓5. Motor operation lock removed?⎕ ✓5. Motor operation lock removed?
☒ ✓ = Executed
☒ Yes = Condition met
☒ No = Condition not met
If the answer to one of the questions is no, the safety instrumented system must be checked.
11.2.3. Safe ESD reaction for “Motor protection (thermal fault)” signals – irrespective of the selected
control unit
Proof test checklist for version or configuration:
●
Safe ESD function “Safe CLOSING” (Safe ESD in direction CLOSE)
●
Safe ESD function “Safe OPENING” (Safe ESD in direction OPEN)
●
Irrespective of type of seating
Also valid for combination of Safe ESD with Safe STOP.
Table 24: Checklist 4
✎Configuration
SIL motor protection inactive
✎Configuration
SIL motor protection active
⎕ ✓1. Is actuator in mid-position or at sufficient distance
from the end positions?
⎕ ✓1. Is actuator in mid-position or at sufficient distance
from the end positions?
⎕ ✓2. Selector switch in position 0 (OFF)?⎕ ✓2. Selector switch in position 0 (OFF)?
⎕ ✓
3.Simulation value :Thermal test selected in paramet-
er Proof test (motor prot.)M1021 (required user level:
Specialist (4))?
Display indicates: CMD0078 Thermal test ○
(white dot)
⎕ ✓
3. Simulation value: Thermal test selected in paramet-
er Proof test (motor prot.)M1021 (required user level:
Specialist (4))?
Display indicates: CMD0078 Thermal test ○
(white dot)
⎕ ✓
4. Safe ESDa and Safe ESDb input signals
set to 0 V (low)?
⎕ ✓
4. Safe ESDa and Safe ESDb input signals
set to 0 V (low)?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation initiated?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation initiated?
⎕ ✓
5. Motor simulation activated via push button Ok?
Display indicates: CMD0078 Thermal test
●
(black dot)
⎕ ✓
5. Motor simulation activated via push button Ok?
Display indicates: CMD0079 Thermal test
●
(black dot)
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation not stopped?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation stopped?
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
SIL fault signal?
SIL failure output (NC contact) = closed)
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
SIL fault signal?
SIL failure output (NC contact) = closed)
⎕ ✓
6. Safe ESDa and Safe ESDb input signals
set to +24 V DC (high)?
⎕ ✓
6. Safe ESDa and Safe ESDb input signals
set to +24 V DC (high)?
⎕ ✓7. Simulation reset or simulation menu exit and select-
or switch reset to initial position?
⎕ ✓7. Simulation reset or simulation menu exit and select-
or switch reset to initial position?
☒ ✓ = Executed
☒ Yes = Condition met
☒ No = Condition not met
If the answer to one of the questions is no, the safety instrumented system must be checked.
47
Part-turn actuators
with AC 01.2-SIL/ACExC 01.2-SIL Checklists