9.10 Configuring the warning relay
The warning relay is activated whenever an alarm is signalled,
and remains active until the alarm is confirmed (collective
warning relay).
1. "main menu > setup" > [OK].
2. "relay" > [OK].
3. Enter the service code, confirm with [OK].
4. "warning relay" > [OK].
fail safe
on (N.C.)
off (N.O.)
The factory setting for the electrically isolated output of the
warning relay is "off (N.O.)", normally open.
5. Select "on (N.C.)", confirm with [OK]. The setting is "normally
closed". If a power failure occurs, the relay signals a fault
(fail safe).
9.10.1 Setting the alarm values
In this menu, you set the upper and lower switching point for the
alarm:
1. "main menu > alarm" > [OK].
alarm
alarm value ClO2
dos. time monit..
2. "alarm value ClO2" > [OK].
alarm value ClO2
alarm on
alarm off
The factory setting is "alarm off".
3. "alarm on" > [OK].
alarm value ClO2
alarm value 1
alarm value 2
hysteresis
alarm delay
Setting the lower switching point for the alarm
"alarm value 1"
1. "alarm value 1" > [OK].
alarm value 1
0.15 mg/l
The factory setting is 0.15 mg/l.
2. Factory setting > [Esc], or enter another value > [OK].
eff. direction
upward violation
downward viol.
The factory setting is "downward viol."
If the alarm is to be triggered by a downward violation:
3. "downward viol.." > [OK]. If an alarm is triggered when the
specified value is undershot, the following message appears:
"alarm val 2 ClO2 undershot".
– Rectify the cause of the downward violation.
– Confirm the alarm message.
If the alarm is to be triggered by an upward violation:
4. "upward violation" > [OK]. If an alarm is triggered when the
specified value is exceeded, the following message appears:
alarm val 1 ClO2 exceeded.
– Rectify the cause of the upward violation.
– Confirm the alarm message.
Setting the upper switching point for the alarm
"alarm value 2"
1. "main menu > alarm" > [OK].
2. "alarm value ClO2" > [OK].
3. "alarm on" > [OK].
alarm value ClO2
alarm value 1
alarm value 2
hysteresis
alarm delay
4. "alarm value 2" > [OK].
alarm value 2
0.70 mg/l
The factory setting is 0.70 mg/l.
5. Factory setting > [Esc], or enter another value > [OK].
eff. direction
upward violation
downward viol.
The factory setting is "downward viol."
If the alarm is to be triggered by an upward violation:
6. upward violation > [OK]. If an alarm is triggered when the
specified value is exceeded, the following message appears:
"alarm val 2 ClO2 exceeded".
– Rectify the cause of the upward violation.
– Confirm the alarm message.
If the alarm is to be triggered by a downward violation:
7. "downward viol." > [OK]. If an alarm is triggered when the
specified value is undershot, the following message appears:
"alarm val 2 ClO2 undershot".
– Rectify the cause of the downward violation.
– Confirm the alarm message.
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