Siemens interranger DPS300 Instructional Manual page 63

Enter the length of time (in minutes) for the relay to remain energized.
Values:
Preset:
Note:
This value must be less than the "interval" setpoint or the relay will never reset.
P115 Relay "interval" Setpoint
The length of time in hours between timed starts.
Enter the length of time (in hours) between relay activation.
Values:
Preset:
Note:
This value must be greater than the "duration" setpoint or the relay will never
reset.
P116 Bound Alarm Deadband
For `in bounds' and `out of bounds' Relay
Functions (P111 = 2 and 3 respectively), a
dead band prevents relay chatter due to
material level fluctuations at the upper or
lower setpoint.
Enter dead band in % of span or units of
P005. (Factory set at 2%).
The dead band value is applied above and
below the upper and lower bound
setpoints.
P129 Relay Failsafe
Use this feature for relay failsafe operation independent from the Failsafe Material
Level (P070).
When accessed, the Parameter Type display changes to the Relay symbol and
the Point Number display changes to the Relay Number (corresponding to the
DPS300 terminals)
Select:
"OFF"
"HOLd
"dE"
"En"
7ML19981BC01
0.000 to 9999 (minutes)
0.000 min
0.000 to 9999 (hours)
0.000 hrs
to have the relay respond to the Failsafe Material Level (P071).
to hold the relay at the "last known" state until normal operation
resumes,
to have the relay de-energize immediately, or
to have the relay energize immediately,
63
actual 'on'
P116, deadband
setpoint
P116, deadband
actual 'off'
e.g. in bounds, lower setpoint
InterRanger DPS300