2. To switch from
‘Information’
to
‘Fieldbus’
, turn the
[Clickwheel]
and press it.
3. To switch from
‘Fieldbus’
to
‘Inactive / Active’
, turn the
[Clickwheel]
and press it.
4. To switch from
‘Inactive’
to
‘Active’
, turn the
[Clickwheel]
and press it.
ð
The pump saves the
‘Active’
setting.
The
‘Settings
è
PROFIBUS’
menu also appears.
The pump is in "Stop" mode. To activate it, press the
[Stop/Start]
key. Use the BUS to give the Start command.
All external inputs, such as level monitoring, metering monitoring
and external control (pause, contact input, analogue input), will
function even while the PROFIBUS
®
is
‘Active’
. They produce the
reactions you would expect if the pump had no PROFIBUS
®
func‐
tionality - see pump operating instructions. The pump transmits
corresponding information via the PROFIBUS
®
to the master (PLC,
PC etc.).
The DULCO flex Control DFXa, DFXa is factory-set to
‘Automatic’
metering.
Even if the fieldbus is set to inactive, the master has read-only
access to the pump data defined in its GSD file.
If the PROFIBUS
®
is set to
‘Inactive’
, the settings for the previ‐
ously selected operating mode are reloaded.
If the pump is switched to another operating mode, it stops and can
only be restarted using the
[Stop/Start]
key.
3.2.3 Setting the slave address
3.2.3.1 Using the
‘Bus address’
If a master in the PROFIBUS
®
segment assigns
the slave addresses, manual setting of the slave
address does not apply.
The address is pre-set to "120" for the DULCO flex
Control DFXa, DFXa.
1.
To access the
‘Menu’
: press the
[Menu]
key
ð
The cursor immediately goes to
‘Information’
.
2. To switch from
‘Settings’
to
‘Fieldbus’
, turn the
[Clickwheel]
and press it.
ð
The cursor immediately goes to
‘Operating mode’
.
3. To switch from
‘Operating mode’
to
‘PROFIBUS’
turn the
[Clickwheel]
and press it.
ð
The
‘Bus address’
menu appears.
Supplementary operating instructions for PROFIBUS
®
47
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