Honeywell FlexLine SmartServo 954 Service Manual page 233

Servo-based level gauge
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COMMISSIONING
Name
Value Range
[Contact 2
< 0 – 3.402823 × 10
switch count]
(RO)
[Contact 2 start
Command
proof test]
[Contact 2 stop
Command
proof test]
[Contact 2 proof
< 1 – 3650 >
test interval]
(days)
[Contact 2 proof
< 0 – 4,294,967,295 >
test elapsed
(days)
time]
(RO)
[Contact 2 proof
< Auto timeout off >
test timeout]
< 5 minutes >
< 10 minutes >
< 20 minutes >
< 30 minutes >
Part No.: 4417340 Revision 1
Default Value
38
>
< 0 >
< 1825 >
< 0 >
< 5 minutes >
Service Manual
954 SmartServo FlexLine
Description
The total number of contact 2
closures, or transitions from
safe state to normal state.
Initiates a contact 2 proof test
if an actual contact 2 safe
state is not currently active.
Upon activation, contact 2
will open to simulate a safe
state. An active poof test will
terminate if an actual contact
2 safe state is activated, or if
the contact 2 proof test
timeout value is exceeded.
Terminates an active contact
2 proof test. Upon
termination, the normal
process will resume and
contact 2 will close.
The maximum time interval
permitted between contact 2
proof tests. If exceed and
when a contact 2 safe state
is not active, the contact 2
safety function status will
change to W to signal a
warning that a proof test is
overdue. The status code
will remain as NO ERROR.
The elapsed time since the
last contact 2 proof test or
since commissioning if no
contact 2 output proof test
has been executed.
If not < Auto timeout off >,
the maximum time duration a
contact 2 proof test will
remain active. If exceeded
the proof test will
automatically stop.
225

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