ABB ACH550-UH-011A-6 User Manual page 164

ACH550-01 User's Manual
Acceleration/deceleration ramp pair selection
Code Description
2201 ACC/DEC 1/2 SEL
Defines control for selection of acceleration/deceleration ramps.
• Ramps are defined in pairs, with one ramp for acceleration and one
ramp for deceleration.
7 = – Defines bit 10 of Command Word 1 (parameter 0301) as the
COMM
control for ramp pair selection.
•The command word is supplied through fieldbus communication.
2209 RAMP INPUT 0
Defines control for forcing the speed to 0 with the currently used
deceleration ramp (see parameters 2203
DECELER TIME
7 = – Defines bit 13 of the Command Word 1 as the control for
COMM
forcing the speed to 0.
•The command word is supplied through fieldbus communication.
Communication fault functions
Code Description
3018 COMM FAULT FUNC
Defines the drive response if the fieldbus communication is lost.
0 = – No response
NOT SEL
1 = – Displays a fault (28,
FAULT
stop.
2 =
CONST SP
using 1208
the fieldbus writes a new reference value.
3 =
LAST SPEED
using the last operating level. This value is the average speed over
the last 10 seconds. This "alarm speed" remains active until the
fieldbus writes a new reference value.
WARNING! If you select
continued operation is safe when the fieldbus communication is lost.
3019 COMM FAULT TIME
Sets the communication fault time used with 3018
• Brief interruptions in the fieldbus communication are not treated as
faults if they are less than the
Serial communications
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2).
SERIAL
7 – Displays an alarm (2005,
7. This "alarm speed" remains active until
CONST SPEED
– Displays an alarm (2005,
CONST SP
COMM FAULT TIME
Range
-6...6
-6...7
1 and 2206
DECELER TIME
Range
0...3
1 ) and the drive coasts to
ERR
) and sets the speed
IO COMM
) and sets the speed
IO COMM
7, or , make sure that
LAST SPEED
0...600.0 s
COMM FAULT FUNC
value.
.
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