Table 30: Checklist 10
✎Safe stop in direction CLOSE
Safe STOP CLOSE
✎Safe stop in direction OPEN
Safe STOP OPEN
⎕ ✓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. Operation command via standard controls in direc-
tion CLOSE executed?
⎕ ✓2. Operation command via standard controls in direc-
tion OPEN executed?
⎕ ✓
3.Safe STOP OPEN input signal set to 0 V (low)?
⎕ ✓
3. Safe STOP CLOSE input signal set to 0 V
(low)?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Does actuator continue its operation in direction
CLOSE?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Does actuator continue its operation in direction
OPEN?
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ ✓
4. Safe STOP CLOSE input signal set to 0 V
(low)?
⎕ ✓
4.Safe STOP OPEN input signal set to 0 V (low)?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Does actuator stop?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Does actuator stop?
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ ✓
5. Safe STOP OPEN and Safe STOP
CLOSE input signals set to +24 V DC (high)?
⎕ ✓
5. Safe STOP OPEN and Safe STOP
CLOSE input signals set to +24 V DC (high)?
☒ ✓ = 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.
11.2.10. Combination of Safe ESD and Safe STOP – irrespective of the selected control unit
Proof test checklist for version or configuration:
●
One of the following Safe ESD safety functions with any seating configuration:
- Safe ESD function: “Safe CLOSING” (Safe ESD in direction CLOSE)
- Safe ESD function: “Safe OPENING” (Safe ESD in direction OPEN)
●
Safe STOP function
Table 31: Checklist 11
✎Safe stop in direction OPEN
Safe OPENING (Safe ESD in direction OPEN)
✎Safe stop in direction CLOSE
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 Safe STOP OPEN input signal set to 0 V (low)?
⎕ ✓
2 Safe STOP CLOSE input signal set to 0 V
(low)?
⎕ ✓
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 actuator reaction:
Safety operation in direction OPEN initiated?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation in direction CLOSE initiated?
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ Yes
⎕ No
➥ Check SIL module signal behaviour:
No SIL fault signal?
SIL failure output (NC contact) = open)
⎕ ✓
4. Safe ESDa, Safe ESDb, Safe STOP
OPEN and Safe STOP CLOSE input signals set
to +24 V DC (high)?
⎕ ✓
4. Safe ESDa, Safe ESDb, Safe STOP
OPEN and Safe STOP CLOSE input signals set
to +24 V DC (high)?
☒ ✓ = 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.
52
Part-turn actuators
Checklists with AC 01.2-SIL/ACExC 01.2-SIL
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