AUMA AC 01.2-SIL, Руководство пользователя, Страница: 49 / 56

●
Actuator with electromechanical control unit
●
One of the following safety functions:
-
Safe ESD function “Safe CLOSING” (Safe ESD in direction CLOSE)
- Safe ESD function “Safe OPENING” (Safe ESD in direction OPEN)
●
Configuration of “SIL seating”
= “Forced limit seating in end position”
Also valid for combination of Safe ESD with Safe STOP.
Table 26: Checklist 6
✎
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. Switch compartment opened? ⎕ ✓ 2. Switch compartment opened?
⎕ ✓
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 initiated?
⎕ Yes
⎕ No
➥ Check actuator reaction:
Safety operation initiated?
⎕ ✓ 4. Limit switch OPEN operated until step 5.1 was ex-
ecuted?
(Test button [2] turned in direction of the LSO arrow?) ⎕ ✓ 4. Limit switch CLOSE operated until step 5.1 was
executed?
(Test button [1] turned in direction of the LSC arrow?)
⎕
Yes
⎕
No
➥
Check actuator reaction:
Safety operation stopped?
⎕
Yes
⎕
No
➥
Check actuator reaction:
Safety operation stopped?
⎕ ✓
5.1
Safe ESDa
and
Safe ESDb
input signals
set to +24 V DC (high)?
⎕ ✓
5.1
Safe ESDa
and
Safe ESDb
input signals
set to +24 V DC (high)?
⎕ ✓ 5.2 Actuator operated via local controls or from RE-
MOTE to end position OPEN and then to end position
CLOSED? ⎕ ✓ 5.2 Actuator operated via local controls or from RE-
MOTE to end position OPEN and then to end position
CLOSED?
⎕ ✓ 6. Switch compartment closed? ⎕ ✓ 6. Switch compartment closed?
☒ ✓ = 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.
11.2.6. Safe ESD reaction to “Forced limit seating in end position” (limit evaluation) – for actuators with
electronic control unit and limit switches
Proof test checklist for version or configuration:
●
Actuator with electronic control unit and limit switches
●
One of the following safety functions:
-
Safe ESD function “Safe CLOSING” (Safe ESD in direction CLOSE)
- Safe ESD function “Safe OPENING” (Safe ESD in direction OPEN)
●
Configuration of “SIL seating”
= “Forced limit seating in end position”
Also valid for combination of Safe ESD with Safe STOP.
49
Part-turn actuators
with AC 01.2-SIL/ACExC 01.2-SIL
Checklists