ABB ACS560 Firmware Manual page 335

No. Name/Value
58.12 CRC errors
0...4294967295
58.14 Communication
loss action
No action
Fault
Last speed
Speed ref safe
Fault always
Warning
58.15 Communication
loss mode
Any message
Cw / Ref1 / Ref2
Description
Displays a count of packets with a CRC error received by the
drive. An increasing count indicates interference on the bus.
Can be reset from the control panel by keeping Reset down
for over 3 seconds.
Number of CRC errors.
Selects how the drive reacts to an EFB communication break.
Changes to this parameter take effect after the control unit is
rebooted or the new settings validated by parameter
Communication control (Refresh
See also parameters 58.15 Communication loss mode
58.16 Communication loss
No action taken (monitoring disabled).
The drive monitors communication loss when start/stop is
expected from the EFB on the currently active control
location. Drive trips on 6681 EFB comm loss
currently active control location is expected from the EFB or
reference is coming from the EFB, and the communication is
lost.
Drive generates an A7CE EFB comm loss
freezes the speed to the level the drive was operating at. The
speed is determined on the basis of actual speed using
850 ms low-pass filtering. This occurs if control or reference
is expected from the EFB.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Drive generates an A7CE EFB comm loss
the speed to the speed defined by parameter
safe (or 28.41 Frequency ref safe
is being used). This occurs if control or reference is expected
from the EFB.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Drive continuously monitors for communication loss. Drive
trips on 6681 EFB comm
drive is in a control location where the EFB start/stop or
reference is not used.
Drive generates an A7CE EFB comm loss
occurs even though no control is expected from the EFB.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
Defines which message types reset the timeout counter for
detecting an EFB communication loss.
Changes to this parameter take effect after the control unit is
rebooted or the new settings validated by parameter
Communication control (Refresh
See also parameters 58.14 Communication loss action
58.16 Communication loss
Any message addressed to the drive resets the timeout.
A write of the control word or a reference resets the timeout.
settings).
time.
if control in the
warning and
warning and sets
22.41 Speed ref
when frequency reference
loss. This happens even thought the
warning. This
settings).
time.
Parameters 335
Def/FbEq16
-
1 = 1
Fault
58.06
and
0
1
2
3
4
5
Cw / Ref1 /
Ref2
58.06
and
1
2