Siemens HydroRanger 200 HMI Operating Instructions Manual page 144

When modifying the preset value, set it short enough to protect the process,
but long enough to avoid false alarms. Only use 0.0 minutes (no delay) for
testing.
2.4.3. Level Selector
Sets the Level Point index for all parameters applicable to this sub-menu.
2.4.4. Fail-safe Mode
Sets how the HydroRanger responds to a fail-safe state.
Index
Options
Related
Select the Fail-safe Mode based on the relay operation required during fail-
safe operation.
Relay reaction
The way in which relay programming reacts to the fail-safe level depends on
2.8.2.3. Relay Fail-safe
•
•
2.4.5. Material Level
The material level reported when a fail-safe state is initiated.
Index
Values
Page 134 HydroRanger 200 HMI – OPERATING INSTRUCTIONS
• LOE for loss of echo from the transducer.
• Short for a shorted transducer cable.
• Open for a cut transducer cable.
• Error for all other problems.
Transducer
HI
LO
*Hold
Value
2. 1 .3. Sensor Mode
•
2.2.4. Empty
•
2.2.2. Span
•
2.8. 1 .4. Relay Function
•
2.8. 1 .5. ON Setpoint
•
2.8. 1 .6. OFF Setpoint
•
2.8.2.3. Relay Fail-safe
•
. By default:
2.8.2.3. Relay Fail-safe
Alarm relays have
Material Level.
2.8.2.3. Relay Fail-safe
Control relays have
energize the relay when the unit enters Fail-safe mode regardless of
the Material Level.
Transducer
Range: -4999 to 9999, value in
2.2.2. Span
Level goes to maximum
2.2.4. Empty
Level goes to 0 span (
Level remains at last reading.
Level goes to user-selected value defined in
2.4.5. Material Level
.
= OFF and so react to the
= De-energize and so de-
2. 1 . 1 . Units
.
).
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