• Configuration:
– Reading To Output: Indicates the value to transmit with the TDM signal.
There are four choices: %RH Level, PPM H2O Level, Gas Level and None. If
the TDM signal is connected to a Hydran 201Ci controller, you must select
Gas Level.
– Input Min.: Indicates the minimum of the value to transmit.
– Input Max.: Indicates the maximum of the value to transmit.
3.3 Alarms Menu
3.3.1 Current Alarms
The Current Alarms function displays the list of active alarm conditions. An alarm
condition is listed only if it is not acknowledged or if the alarm condition is present.
Press any arrow key to rotate through the list of current alarms. Each displayed
screen corresponds to one alarm condition. If two or more alarm conditions are
present, the Hydran M2-X scrolls through the screens, each one being displayed for
five seconds. A screen example is shown below.
Figure 3-11: Example of Current Alarms
Each screen contains the following information:
• The name of the parameter responsible for the alarm.
• Alarm Status: The status of this alarm, which can be Not ack., On or Off.
• Alarm SP: The set point of this alarm.
• Current Val.: The value currently measured.
• On at: .The date and time at which the alarm condition was detected.
3.3.2 Alarms Setup
The Alarms Setup functions are used to set the alarm parameters.
The operation of the relays and alarms is described in Chapter 6. In summary, an
alarm is triggered if the alarm condition (value of parameter Alarm Hi SP or Alarm
Hi-Hi SP) is exceeded for a period of time greater than the corresponding delay
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