ABB +N5600 Firmware Instructions page 378

378 Parameters
No. Name/Value
50.32 FBA B comm loss
func
No action
Fault
Last speed
Speed ref safe
Fault always
Warning
50.33 FBA B comm loss
timeout
0.3 ... 6553.5 s
50.34 FBA B ref1 type
50.35 FBA B ref2 type
50.37 FBA B actual 1 type
Description
Selects how the drive reacts upon a fieldbus communication
break. A time delay for the action can be defined by
parameter 50.33 FBA B comm loss
See also parameter 50.56 FBA B comm supervision
No action taken.
The drive trips on 7520 FBA B
occurs if control is expected from the FBA B interface (FBA B
selected as source of start/stop/reference in the currently
active control location), or if supervision is forced using
parameter 50.56 FBA B comm supervision
Drive generates an A7C2 FBA B communication
freezes the speed to the level the drive was operating at. This
only occurs if control is expected from the FBA B interface, or
if supervision is forced using parameter
supervision force.
The speed is determined on the basis of actual speed using
850 ms low-pass filtering.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Drive generates an A7C2 FBA B communication
sets the speed to the value defined by parameter
Speed ref safe (when speed reference is being used) or
28.41 Frequency ref safe
used). This only occurs if control is expected from the FBA B
interface, or if supervision is forced using parameter
FBA B comm supervision
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Drive trips on 7520 FBA B
though no control is expected from the FBA B interface.
Drive generates an A7C2 FBA B communication
This occurs even though no control is expected from the
fieldbus. This only occurs if control is expected from the FBA
B interface, or if supervision is forced using parameter
FBA B comm supervision
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Defines the time delay before the action defined by parameter
50.32 FBA B comm loss func
the communication link fails to update the message.
As a rule of thumb, this parameter should be set to at least 3
times the transmit interval of the master.
Time delay.
Selects the type and scaling of reference 1 received from
fieldbus adapter B.
See parameter 50.04 FBA A ref1
Selects the type and scaling of reference 2 received from
fieldbus adapter B.
See parameter 50.04 FBA A ref1
Selects the type/source and scaling of actual value 1
transmitted to the fieldbus network through fieldbus adapter
B.
See parameter 50.07 FBA A actual 1
timeout.
communication. This only
force.
warning and
50.56 FBA B comm
warning and
(when frequency reference is being
force.
communication. This occurs even
warning.
force.
is taken. Time count starts when
type.
type.
type.
Def/FbEq16
No action
force.
0
1
2
3
22.41
50.56
4
5
50.56
0.3 s
1 = 1 s
Auto
Auto
Auto