S+S Regeltechnik Rymaskon 600 Operating Instructions Manual page 30

Operating instructions
RYMASKON ® 600 - BACnet
RYMASKON ® 600 - Modbus
ALARM INDICATOR
CO2, HUMIDITY,
TEMPERATURE
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The controller provides two alarm channels to show if set limit values were exceeded/undercut.
Alarm sources are internal temperature, humidity or CO2 sensors (for units with RH/CO2 option).
For example, you can set "Alarm 1" to the CO2 concentration and "Alarm 2" to room air humidity.
The default alarm function for the alarm source is "None", i.e., it is disabled.
Every alarm has three levels: No alarm (without icon), amber alarm
If an alarm is active, an amber or a red bell is shown in the small action circle on the display.
The action circle consecutively shows all active measurements, i.e., the alarm is shown with its reading.
The following parameters can be separately configured for every alarm channel:
• Alarm Source
• Alarm Amber Threshold
• Alarm Red Threshold
• Alarm Hysteresis
Whether an alarm is triggered by exceeding or undercutting a limit value
is automatically determined by the higher threshold of red or amber.
The following descriptions illustrate this principle:
HIGH LIMIT ALARM
HIGH LIMIT ALARM
Range
Amber
0 = Default
Thershold
Alarm because of exceeding a limit value,
if threshold Red higher than amber is set:
Sensor value ≤ threshold amber → no alarm (without icon)
Sensor value ≥ threshold amber → alarm indicated by amber bell
Sensor value ≥ threshold red
Hysteresis prevents returning to a lower alarm level until
the sensor value goes down to a threshold minus hysteresis.
LOW LIMIT ALARM
LOW LIMIT ALARM
Range Red
0 = Default
Thershold
Alarm because of undercutting a limit value
if threshold Amber higher than red is set:
Sensor value ≤ threshold red
Sensor value ≤ threshold amber → alarm indicated by amber bell
Sensor value ≥ threshold amber → no alarm (without icon)
Hysteresis prevents returning to a lower alarm level until
the sensor value goes up to a threshold plus hysteresis.
Range
Red
0...5000
Thershold
→ alarm indicated by red bell
Amber Range
0...5000
Thershold
→ alarm indicated by red bell
30
and red alarm .