Calibration - Siemens LDS 6 Operating Instructions Manual

Table 4-3
3 Logbook
3 Logbook Ch1 NH
S1 13-11-03 16:43 +
Optomodule Fault
S1 13-11-03 16:37 +
Optomodule Fault
W3 12-11-03 23:55 -
Signal quality
W3 12-11-03 23:54 +
Signal quality
...Continue
Page 1
Note
If a fault occurs when the error message is switched off by function 88, there is no reaction at the
interface. This applies to the analog as well as to the relay outputs.
4 Display Measuring Ranges
4 Disp. Meas.Range Ch1 NH
Start End value
0.00 100.0 mg/Nm
See also
Alarms (Page 59)
4.3.3

Calibration

The LDS 6 is calibrated when delivered and does not normally require on site recalibration.
Please consult Siemens support if recalibration is needed.
NOTICE
Never use functions 20 and 21 without having contacted Siemens service staff first.
Inappropriate use of these functions may seriously affect the accuracy of the analyzer.
LDS 6
Operating Instructions, 01/2022, A5E00295894-10
You can use this function to display logged messages. Any event which leads to a main‐
tenance request (W) or fault message (S) is listed in the logbook (for a more detailed
description of error handling see the chapter Alarms.
3
Limit alarms (LIM), transmission alarms (TR), and function check (CTRL) are also recor‐
ded. However, these do not trigger a maintenance request or fault message.
The soft key can be used to acknowledge the respective fault entry. The dot will then
disappear. A "+" sign at the end of the entry means an activated alarm, a "-" sign an
inactivated alarm.
The logbook contains a maximum of ten pages, each of which can accommodate four
messages. It operates according to the principle of a circulating buffer, i.e. the oldest
message is overwritten when all ten pages are full (40 messages). Fault messages are not
deleted if they have not been acknowledged.
The logbook entries can be deleted or blocked (function 60), or also switched off indi‐
vidually (function 88).
You can use this function to display measuring ranges. However, you cannot use this
menu to modify the measuring ranges. To do so use function 41. The follwoing param‐
eters are displayed.
3
Start Value
3
This value corresponds to a 4mA current on the analog output.
End Value
This value corresponds to a 20mA current on the analog output.
Operation
4.3 Analyzer functions
45