Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N
34
Hauser
Version II to VI, test sequence B
Activate simulation by pressing the test button on the Liquiphant or Nivotester.
Step 1
‣
Check the status of the safety contacts.
Version
Terminal
II
III
IV
V
VI
4+5
Closed
Not applicable
Closed
Closed
Closed
22+23
Not applicable
Closed
Closed
Closed
Not applicable
26+27
Not applicable
Closed
Closed
Closed
Not applicable
If one or more safety contacts are open, a fault has occurred in the safety path. The proof test
has not been passed and must be aborted.
Step 2
1. Press and hold the test button on the Liquiphant or Nivotester.
2. Check the status of the safety contacts.
Version
Terminal
II
III
IV
V
VI
4+5
Open
Not applicable
Open
Open
Open
22+23
Not applicable
Open
Open
Open
Not applicable
26+27
Not applicable
Open
Open
Open
Not applicable
If one or more safety contacts are closed, a fault has occurred in the safety path. The proof test
has not been passed and must be aborted.
Step 3
1. Release the test button on the Liquiphant or Nivotester.
2. After releasing the button (plus a response time of approx. 3 s), check the status of the safety
contacts.
Version
Terminal
II
III
IV
V
VI
4+5
Closed
Not applicable
Closed
Closed
Closed
22+23
Not applicable
Closed
Closed
Closed
Not applicable
26+27
Not applicable
Closed
Closed
Closed
Not applicable
If one or more safety contacts are open, a fault has occurred in the safety path. The proof test
has not been passed and must be aborted.