Siemens SITRANS F M MAG 5000, Руководство пользователя, Страница: 54 / 107

Functions
7.5 Service mode
51
8. Press forward key and then select key and change key to key in offset value.
9. Press lock/unlock key to start adjustment.
Zero point can be adjusted manually in range -1.000 ... +1.000 m
3
/s. If value outside this
range is keyed in, zero point adjustment will not be implemented.
See also reset mode menu diagram (MAG 6000 SV).
7.5 Service mode
All outputs of the transmitter can be forced-controlled in the service mode menu, see also
service mode menu diagram.
Here it is possible to check whether e.g. the current output is functioning.
Error pending and status log lists are also accessible from this menu and the operating time
(in days) can be read.
The forced control is cut off and all previous settings are reinitialized the moment the service
mode is left by pressing top up key .
7.6 MAG 5000 CT and MAG 6000 CT settings
Internal totallizers
Depending on the type of approval it is possible to reset the internal totalizers. The type of
approval is selected in the reset menu with the hardware key mounted. It is possible to
choose between:
●
Hot/cold water
● Other liquids
Resetting of totalizers by electrical input is not possible.
Hot/cold water
●
Totalizer 1 is allocated to forward flow (cannot be reset)
● Totalizer 2 is allocated to reverse flow (cannot be reset)
Other liquids
Both totalizer 1 and totalizer 2 are allocated to measure the net flow, i.e. any reverse flow will
make the totalizers count backwards.
●
Totalizer 1 cannot be reset.
● Totalizer 2 can be reset if the flow velocity in the meter pipe is <0.25 m/s. When the
totalizer is reset, the pulse output register will also be reset.
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