Parameters - Siemens LDS 6 Operating Instructions Manual

4.3.5

Parameters

Table 4-5
Parameters Ch1 NH
50 Response Time
51 Limits
52 Transmission
53 Status Messages
...Continue
50 Response Time
50 Response Time Ch1 NH
[5.000] Seconds
Actual Measured
Value: 63.28 mg/Nm 3
51 Limits
51 Limits Ch1 NH
Upper Limit[30.00] mg/Nm
Lower Limit 0.00 mg/Nm
Limit Alarm On/Off
52 Transmission
52 Transmission Ch1 NH
Alarm Level[5 ] %
Nominal 301.2 Units
Absolute 285.0 Units
Relative 84.93 %
Set Nominal Value
Transm. Alarm On/Off
LDS 6
Operating Instructions, 01/2022, A5E00295894-10
This display, showing the selection of the parameter functions 50 to 53 appears follow‐
3
ing the selection of the parameter functions in the main menu by pressing the fourth soft
key ("Parameters"). You can branch to the parameter functions 54 to 60 by pressing the
fifth soft key (...Continue).
You can use this function to set various time constants to reduce or suppress noise in the
measured signal.
3
You can use this functions to set concentration limits. A limit alarm will be triggered
when the value of a component exceeds the permissible range set in this screen. The
alarm can be turned off here.
3
The limit alarm is displayed on the status line if this has been set up by function 53. The
3
alarm is also signalled by a relay if one has been assigned using function 71. The trig‐
3
gering of a limit alarm is registered in the logbook (function 3).
You can use this function to set the transmission parameters. A transmission alarm is
triggered when the transmission is outside a permissible range. The lower alarm level of
the transmission for a channel is set as a percentage of the nominal transmission value,
3
where the nominal value is registered when the fourth soft key is pressed. The upper
alarm level is set to a fixed value and cannot be changed by the user.
The transmission alarm is displayed on the status line if this has been set up by function
53. The alarm is also signalled by a relay if this has been set up by function 71. The
triggering of a transmission alarm is registered in the logbook
(function 3).
Operation
4.3 Analyzer functions
47