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Siemens 3AD8 Instruction Manual page 32

Remote control unit (rcu)
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Name/source/engineering units/
A_PID
Phase
Primary operations count
Source: Remote control unit (RCU)
26
A
Engineering unit: Numerical count
27
B
Range: 0-65,535
28
C
Resolution: 1
Event time tag: No events
Fusesaver forced protection arming
hours remaining
Source: Fusesaver
29
A
Engineering unit: Hours
30
B
31
C
Range: 0-24
Resolution: 1
Event time tag: RCU time
Fusesaver mechanism trip count
Source: Fusesaver
32
A
Engineering unit: Numerical count
33
B
Range: 0-2,000
34
C
Resolution: 1
Event time tag: RCU time
Line - Fault detection
Source: Fusesaver
35
A
Engineering unit: 200 µs
36
B
Range: 0-65,535
37
C
Resolution: 1
Event time tag: Fusesaver
32
RCU database analog points list
resolution/time tag
Value/events/restart/qualifiers
Value: When D_PID 138 is clear (primary test mode is out) the value is
incremental for the relevant phase when any of the following events are
received from the Fusesaver:
Protection trip
Three-phase lockout trip
Operator trip.
When D_PID 138 is set (primary test mode is in) or communications is lost
between the Fusesaver and RCU, the values are not incremental.
Events and deadbands: Deadband of 1.
On restart: Non-volatile, carried through restart. These points are zeroed by the
reset RCU configuration procedure (refer to RCU operating instructions IC1000-
F320-A198-X-XXXX). This might be needed if an RCU is re-deployed.
Data qualifiers: Override.
Value: Number of hours remaining until forced protection arming will
automatically be turned off. Value will be 0 when forced protection arming is
off.
Events and deadbands: Deadband of 1.
On restart: Point is set to 0.
Data qualifiers: Override, online, restart, communications lost.
Value: Count of the number of times the Fusesaver mechanism has been
tripped/opened since manufacture.
Events and deadbands: Deadband of 1.
On restart: Point is set to 0.
Data qualifiers: Override, online, restart, communications lost.
Value: Returns fault duration of last Fusesaver fault. Not the returned value is in
200 µs increments.
Events and deadbands: Events generated when there has been a detected fault
or a protection trip event, which returned fault duration data from the
Fusesaver. Event contains fault duration reported by Fusesaver. Deadband of 1.
On restart: Point is set to 0.
Data qualifiers: Override, online, restart, communications lost.

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