ABB ACS850 - Fieldbus

Parameters 233
49.07 Data storage7 Data storage parameter 7.
-2147483647 …
2147483647
32-bit data. 1 = 1
49.08 Data storage8 Data storage parameter 8.
-2147483647 …
2147483647
32-bit data. 1 = 1
50
50 Fieldbus
Settings for configuration of communication via a fieldbus
adapter. See also chapter Control through a fieldbus adapter
on page 339.
50.01 Fba enable Enables communication between the drive and fieldbus
adapter.
Disable Communication between the drive and fieldbus adapter
disabled.
0
Enable Communication between the drive and fieldbus adapter
enabled.
1
50.02 Comm loss func Selects how the drive reacts upon a fieldbus communication
break. The time delay is defined by parameter 50.03 Comm
loss t out.
No Communication break detection disabled. 0
Fault Communication break detection active. Upon a
communication break, the drive trips on fault FIELDBUS
COMM and coasts to stop.
1
Spd ref Safe Communication break detection active. Upon a
communication break, the drive generates alarm FIELDBUS
COMM and sets the speed to the value defined by parameter
30.02 Speed ref safe.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
2
Last speed Communication break detection active. Upon a
communication break, the drive generates alarm FIELDBUS
COMM and freezes the speed to the level the drive was
operating at. The speed is determined by the average speed
over the previous 10 seconds.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
3
50.03 Comm loss t out Defines the time delay before the action defined by parameter
50.02 Comm loss func is taken. Time count starts when the
link fails to update the message.
0.3 … 6553.5 s Time delay. 10 = 1 s
50.04 Fb ref1 modesel Selects the fieldbus reference FBA REF1 scaling and the
actual value, which is sent to the fieldbus (FBA ACT1).
Raw data No scaling (i.e. data is transmitted without scaling). Source
for the actual value, which is sent to the fieldbus, is selected
by parameter 50.06 Fb act1 tr src.
0
No. Name/Value Description FbEq