Installation, operating and maintenance manual
UNIGAS 300
DDG6004MHGB/08-2017/Rev.A2 Software version from M 1.3.40 and D 2.3.37
35
10 Counters and registers
The counters and registers present in UNIGAS 300 are listed below. The name of each counter or register is
indicated together with the OBIS code, the protection level and a summary description. Where applicable, the
names used are in accordance with standard EN 12405-1 +A2.
All counters and registers can be read out with the UNITOOL software (dependent on the rights assigned in
UNITOOL).
The column
Menu item
shows the corresponding menu item number, if these data are also shown through the
display of UNIGAS 300.
Counters and registers may be provided with write protection.
The following protection levels are available in UNIGAS 300.
•
Calibration lock:
writing is only possible if the programming switch is operated during writing.
•
Protection level 1:
password 1 gives access to the programming mode in which counters and
registers can be read and written to. Password 1 is protected by password
2a.
•
Protection level 2a:
password 2a allows writing to registers. Password 2a is assigned to the gas
supplier and has the same function as the VDEW password. Password 2a
is protected by password 2a.
•
Protection level 2b:
password 2b allows writing to registers. Password 2b is assigned to the gas
consumer. Password 2b is protected by password 2b.
•
Protection level 2c:
With password 2c it is possible to adjust the gas composition (CO2, H2, N2,
d and Hs). Password 2c is protected by password 2c.
If no passwords have been programmed, registers can be accessed and written to without the use of
passwords or the use of any password.
Passwords are both read-protected and write-protected.
When the calibration lock is open, the software passwords can be changed without entering the passwords
using the UNITOOL service software (from software version D 2.3.37)
Counter readings
Protection level: calibration lock
Name
Unit Menu item
OBIS code
Description
Vm1
m
3
Main menu 1
7-1:13.0.0
unconverted volume, total volume at measuring conditions,
input 1
Vc1
m
3
Main menu 2
7-1:11.1.0
unconverted volume, undisturbed volume at measuring
conditions and corrected for gas meter measuring error, input
1.
When operating with LF or encoder: Vm1 = Vc1
Vc1err
m
3
Main menu 2
7-1:12.0.0
unconverted volume, disturbed volume at measuring
conditions, under circumstances of a calibration error
condition and corrected for the gas meter measuring error,
input 1
Vb1
m
3
Main menu 1
7-1:11.2.0
converted volume, undisturbed volume at base conditions,
input 1
Vb1err
m
3
Main menu 2
7-1:12.1.0
converted volume, disturbed volume at base conditions,
under circumstances of a calibration error condition, input 1
Vm2
m
3
Main menu 2
7-2:13.0.0
unconverted volume, total volume at measuring conditions,
input 2
Vm3
m
3
Main menu 2
7-3:13.0.0
unconverted volume, total volume at measuring conditions,
input 3
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