Samson 3730-3 Operating Instructions Manual page 111

Code Parameter – Readings/
No. values [default setting]
Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration.
49* A4 Status classification of
PST status
A5 Recommended min.
scan rate
A6 Unassigned
A7 Δy monitoring
reference value
A8 Activation Δy
monitoring
[No], YES, ESC
A9 Δy monitoring value
0 to 100 %,
[0 %]
1), 2), 3)
[10 %]
4), 5), 6)
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)
EB 8389 EN
Description
C Maintenance required
OK No message
CR Maintenance demanded
b Maintenance alarm
S Out of specification
Read only
Scan rate [s] required to plot the complete step response test in a
graph.
Read only
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
Activates or deactivates Δy monitoring.
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.
Start value for step response
Type 3730-2
1)
Type 3730-3
2)
Type 3731-3
3)
Type 3730-4
4)
Appendix
Type 3730-5
5)
Type 3731-5
6)
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