Cascade Controller - Danfoss VLT AQUA Instruction
Low harmonic drive
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Also See for VLT AQUA:
- Programming manual (298 pages) ,
- Design manual (228 pages) ,
- Instruction manual (205 pages)
Table of Contents
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6 How to Program the Low Harmonic Drive
6.4.20 25-** Cascade Controller
Par.
Parameter description
No. #
25-0* System Settings
25-00
Cascade Controller
25-02
Motor Start
25-04
Pump Cycling
25-05
Fixed Lead Pump
25-06
Number Of Pumps
25-2* Bandwidth Settings
25-20
Staging Bandwidth
25-21
Override Bandwidth
25-22
Fixed Speed Bandwidth
25-23
SBW Staging Delay
25-24
SBW De-staging Delay
25-25
OBW Time
25-26
Destage At No-Flow
25-27
Stage Function
25-28
Stage Function Time
25-29
Destage Function
25-30
Destage Function Time
6
25-4* Staging Settings
25-40
Ramp-down Delay
25-41
Ramp-up Delay
25-42
Staging Threshold
25-43
De-staging Threshold
25-44
Staging Speed [RPM]
25-45
Staging Speed [Hz]
25-46
De-staging Speed [RPM]
25-47
De-staging Speed [Hz]
25-5* Alternation Settings
25-50
Lead Pump Alternation
25-51
Alternation Event
25-52
Alternation Time Interval
25-53
Alternation Timer Value
25-54
Alternation Predefined Time
25-55
Alternate if Load < 50%
25-56
Staging Mode at Alternation
25-58
Run Next Pump Delay
25-59
Run-on Line Delay
25-8* Status
25-80
Cascade Status
25-81
Pump Status
25-82
Lead Pump
25-83
Relay Status
25-84
Pump ON Time
25-85
Relay ON Time
25-86
Reset Relay Counters
25-9* Service
25-90
Pump Interlock
25-91
Manual Alternation
6-64
Default value
4 set-up
(SR = Size related)
[0] Disabled
2 set-ups
[0] Direct on Line
2 set-ups
[0] Disabled
All set-ups
[1] Yes
2 set-ups
2 N/A
2 set-ups
10 %
All set-ups
100 %
All set-ups
casco_staging_bandwidth
(P2520)
All set-ups
15 s
All set-ups
15 s
All set-ups
10 s
All set-ups
[0] Disabled
All set-ups
[1] Enabled
All set-ups
15 s
All set-ups
[1] Enabled
All set-ups
15 s
All set-ups
10.0 s
All set-ups
2.0 s
All set-ups
ExpressionLimit
All set-ups
ExpressionLimit
All set-ups
0 RPM
All set-ups
0.0 Hz
All set-ups
0 RPM
All set-ups
0.0 Hz
All set-ups
[0] OFF
All set-ups
[0] External
All set-ups
24 h
All set-ups
0 N/A
All set-ups
ExpressionLimit
All set-ups
[1] Enabled
All set-ups
[0] Slow
All set-ups
0.1 s
All set-ups
0.5 s
All set-ups
0 N/A
All set-ups
0 N/A
All set-ups
0 N/A
All set-ups
0 N/A
All set-ups
0 h
All set-ups
0 h
All set-ups
[0] Do not reset
All set-ups
[0] Off
All set-ups
0 N/A
All set-ups
®
MG.20.T1.22 - VLT
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VLT AQUA Low Harmonic Drive Instruction
Change during
Conver-
operation
sion index
FALSE
-
FALSE
-
TRUE
-
FALSE
-
FALSE
0
TRUE
0
TRUE
0
TRUE
0
TRUE
0
TRUE
0
TRUE
0
TRUE
-
TRUE
-
TRUE
0
TRUE
-
TRUE
0
TRUE
-1
TRUE
-1
TRUE
0
TRUE
0
TRUE
67
TRUE
-1
TRUE
67
TRUE
-1
TRUE
-
TRUE
-
TRUE
74
TRUE
0
TRUE
0
TRUE
-
TRUE
-
TRUE
-1
TRUE
-1
TRUE
0
TRUE
0
TRUE
0
TRUE
0
TRUE
74
TRUE
74
TRUE
-
TRUE
-
TRUE
0
Manual
Type
Uint8
Uint8
Uint8
Uint8
Uint8
Uint8
Uint8
Uint8
Uint16
Uint16
Uint16
Uint8
Uint8
Uint16
Uint8
Uint16
Uint16
Uint16
Uint8
Uint8
Uint16
Uint16
Uint16
Uint16
Uint8
Uint8
Uint16
VisStr[7]
TimeOf-
DayWoDate
Uint8
Uint8
Uint16
Uint16
VisStr[25]
VisStr[25]
Uint8
VisStr[4]
Uint32
Uint32
Uint8
Uint8
Uint8
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