EB 8389 EN
111
Appendix
Code
No.
Parameter
– Readings/
values [default setting]
Description
Codes with marked with an asterisk (*) must be enabled with Code
3
prior to configuration.
49* A4
Status classification of
PST status
C
Maintenance required
OK No message
CR Maintenance demanded
b
Maintenance alarm
S
Out of specification
Read only
A5
Recommended min.
scan rate
Scan rate [s] required to plot the complete step response test in a
graph.
Read only
A6
Unassigned
A7
Δy monitoring
reference value
The valve moves to the valve position Step start (Code 49 - d2) and
Step end (Code 49 - d3) with certain control pulses. The difference
between these control pulses creates the Δy value [1/s].
The Δy-monitoring reference value applies to the adjusted step
values (Code 49 - d2 and Code 49 - d3) and for the selected ramp
times (Code 49 - d5 and Code 49 - d6). The Δy-monitoring
reference value must be determined again if any of the above
mentioned values change.
Read only
A8
Activation Δy
monitoring
[No], YES, ESC
Activates or deactivates Δy monitoring.
A9
Δy monitoring value
0 to 100 %,
[0 %]
1), 2), 3)
[10 %]
4), 5), 6)
The percentage [%] of the entire range of the control pulse between 1
and 10000 1/s (example: 10 % = 1000 1/s)
The partial stroke test is canceled if the change in drive signal (Δy)
varies from the Δy-monitoring reference value by this amount.
d Step parameters for the partial stroke test (PST)
d1
Unassigned
d2
Step start
0.0 to 100.0 %,
[95.0] %
1), 6)
[100.0 %]
2), 3), 4), 5)
Start value for step response
1)
Type 3730-2
2)
Type 3730-3
3)
Type 3731-3
4)
Type 3730-4
5)
Type 3730-5
6)
Type 3731-5
Содержание TROVIS 3730-3
Страница 6: ...6 EB 8389 EN...
Страница 43: ......
Страница 57: ......
Страница 83: ...EB 8389 EN 83...
Страница 130: ...130 EB 8389 EN...