ABB ACS880+N5350 User Manual page 68

Cooling tower drives
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The Main Status Word (MSW) in the ACS880+N5350 CTDD Drive is different than that of a Standard ACS880. In addition to
the Standard 9 Bits of the Status Word, the following additional Status Bits are available in the ACS880+N5350 CTDD Drive.
3AXD50000011888
Bit
Name
Value
Ready to
0
switch ON
1
Ready run
2
Ready ref
3
Tripped
4
OFF2 inactive
5
OFF3 inactive
Switch-on
6
inhibited
7
Warning
At setpoint
8
Remote
9
Trickle Current
10
Active
De-Ice Mode
11
Active
CTD Run
12
CTD HOLD
13
User bit 3
14
Reserved
15
Description
1
Ready to switch ON
0
Not ready to switch ON
1
Ready to operate
OFF1 active
0
Operation enabled
1
Operation inhibited
0
Fault
1
No Fault
0
OFF2 inactive
1
OFF2 active
0
OFF3 inactive
1
OFF3 active
0
Switch-on inhibited
1
--
0
Warning active
1
No warning active
0
Operating - Actual value equals
1
reference = is within
tolerance limits (see parameters
46.21 - 46.23)
0
Actual value differs from reference
= is outside tolerance
limits
1
Drive control location: Remote
(EXT1 or EXT2)
0
Drive control location: Local
0
Trickle Current OFF
1
Trickle Current ON
0
De-Ice Mode OFF
1
De-Ice Mode ON
0
CTD Drive Not Running
1
CTD Drive Running
0
CTD Autophase OFF
1
CTD Autophase ON
-
See parameter 06.33 MSW bit 14
sel
Operating Modes 9-7

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