250 Parameters
Speed ref safe
Drive generates an
warning and sets
the speed to the speed defined by parameter
(or
when frequency reference
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.
3
Fault always
Drive continuously monitors for communication loss. Drive
trips on
. This happens even though the
drive is in a control location where the EFB start/stop or
reference is not used.
4
Warning
Drive generates an
warning. This
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.
5
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
Any message
Any message addressed to the drive resets the timeout.
1
Cw / Ref1 / Ref2
A write of the control word or a reference resets the timeout.
2
Sets a timeout for EFB communication. If a communication
break lasts longer than the timeout, the action specified by
parameter
is taken.
Changes to this parameter take effect after the control unit is
rebooted or the new settings validated by parameter
See also parameter
.
30.0 s
0.0…6000.0 s
EFB communication timeout.
1 = 1
Defines a minimum response delay in addition to any fixed
delay imposed by the protocol.
Changes to this parameter take effect after the control unit is
rebooted or the new settings validated by parameter
0 ms
0…65535 ms
Minimum response delay.
1 = 1
Displays the raw (unmodified) control word sent by the
Modbus controller to the drive. For debugging purposes.
This parameter is read-only.
-
00000000h…
FFFFFFFFh
Control word sent by Modbus controller to the drive.
1 = 1
Displays the raw (unmodified) status word for debugging
purposes.
This parameter is read-only.
-
00000000h…
FFFFFFFFh
Status word sent by the drive to the Modbus controller.
1 = 1
No.
Name/Value
Description
Def/FbEq16
Summary of Contents for ACQ580
Page 1: ...ABB drives for water Firmware manual ACQ580 pump control program ...
Page 4: ... 2017 ABB Oy All Rights Reserved 3AXD50000035867 Rev C EN EFFECTIVE 2017 06 21 ...
Page 30: ...26 Start up control with I O and ID run ...
Page 40: ...36 Default configuration ...
Page 304: ...300 Parameters ...
Page 340: ...336 Additional parameter data ...