Elgas DATCOM, Operating Instructions Manual

Page: 170 / 228

11
Function Description
168
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 Assigning the influence of the
service switch on parameter
writing
 Setting the V and Vs counters
 Changing the method of
calculating the compressibility
factor
 Setting the gas composition
 Setting units and constants
 Setting of temperature and
pressure substitute values for
conversion
ON
Table 34
User access level - for the "full" function of the service switch
Authorized Service Centre (ASC) Level
Activities Service switch
Activities permitted with
password protection
 All the activities described
in the user level
 Setting the status bit mask
(Diagnostics quantity)
OFF, ON
Note:
When using the HW key, the
effect of passwords is
suppressed, if used with the
device.
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 Firmware upgrade
 Changing metrological
approval variant (NMi, CMI,
MID, ...)
 Setting the reference
temperature
 Setting the reference
pressure
 Setting Vb, Vbs
 Configuring metrological
quantities (C, K, V, Vb, Vs,
Vbs)
 Replacing the transducers
 One-point or two-point
transducer assembly
 Reset the archive settings
and status archive
 User designation of the
quantities
ON
Using the HW key designated
WGQOI, "Accredited Service"
version
Table 35 ASC Access Level