Siemens HydroRanger 200 HMI Operating Instructions Manual page 160

2.8.1.10. Emptying Indicator
2.8.1.11. Relay Logic
Page 150 HydroRanger 200 HMI – OPERATING INSTRUCTIONS
Sets the empty rate required to activate the LCD emptying indicator
( ).
Single-point model
Index
Global
Range: 0.000 to 99.00 m (or equivalent, depending on units)
Values
2.3.4. Response Rate
Altered by
2. 1 . 1 . Units
•
2.2.2. Span
•
Related
2.3.3. Empty Rate/minute
•
2. 1 . 1 . Units
This value (in
2.3.3. Empty Rate/minute
Sets the logic applied to relays to determine the contact Open or
Closed state.
Relay
Index
Logic
Options
*Positive
Negative
2.8. 1 .4. Relay Function
Related
The relay contact operation is Normally Closed for alarms and
Normally Open for controls. See
information.
Note: This parameter is not reset by
Power Failure
When power is cut to the HydroRanger, its relays fail to the following
states:
Relay
1,2,4,5
3,6
1.
Relays 3 and 6 are Form C types, so you can wire it either Normally
Open or Normally Closed. Check the wiring before programming.
To use Relays 3 or 6 as general alarm indicators, set
Logic
to Negative and wire the alarm for Normally Open operation.
When an alarm event occurs (see below) or when power is cut, the
circuit closes and the alarm activates.
Positive Logic
In software, all relays are programmed the same way, with ON
setpoints indicating when to change the relay contact state (open or
Dual-point model
Transducer
per minute) is automatically set to 1/10 of
.
Alarm Contact
Normally Closed
Normally Open
2.8. 1 .4. Relay Function
3.2. 1 . Master Reset
Relay States
Open or Closed
Pump or
Control Contact
Normally Open
Normally Closed
for more
.
Fail State
Open
1
2.8.1.11. Relay
A5E36281317