ACH550-UH User’s Manual
99
3018
COMM FAULT FUNC
0…3
1
0
Defines the drive response if the fieldbus communication is lost.
0 =
NOT
SEL
– No response.
1 =
FAULT
– Displays a fault (28,
SERIAL
1
ERR
) and the drive coasts to stop.
2 =
CONST
SP
7 – Displays a warning (2005,
IO
COMM
) and sets speed using 1208
CONST
SPEED
7. This “alarm speed”
remains active until the fieldbus writes a new reference value.
3 =
LAST
SPEED
– Displays a warning (2005,
IO
COMM
) and sets 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.
Caution:
If you select const speed 7, or last speed, make sure that continued operation is safe when fieldbus
communication is lost.
3019
COMM FAULT TIME
0.0…60.0 s
0.1 s
10.0 s
Sets the communication fault time used with 3018
COMM
FAULT
FUNC
.
• Brief interruptions in the fieldbus communication are not treated as faults if they are less than the
COMM
FAULT
TIME
value.
3021
AI1 FAULT LIMIT
0.0…100.0%
0.1%
0.0%
Sets a fault level for analog input 1. See 3001
AI
<
MIN
FUNCTION
.
3022
AI2 FAULT LIMIT
0.0…100.0%
0.1%
0.0%
Sets a fault level for analog input 2. See 3001
AI
<
MIN
FUNCTION
.
Group 30: Fault Functions
Code Description Range
Resolution
Default
S