ABB ACS880+N5350 User Manual page 133

Cooling tower drives
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Parameter (Number)
Block Title
STANDARD AI
AI1 MIN (12.17)
(Continued)
AI1 MAX (12.18)
AI1 SCALED AT AI1 MIN (12.19) Default: 0.000
AI1 SCALED AT AI1 MAX
(12.20)
AI SUPERVISION SELECTION
(12.21)
AI2 SCALED VALUE (12.22)
12-54 Startup Assistant & Parameters
Table 12-4 Level 1 Parameter Block Definitions
Selection (Value)
Default: 0.000mA or V
Range: -22.000 to +22.000mA or V
Defines the minimum site value for analog input AI1.
Set the value actually sent to the drive when the analog signal from
plant is wound to its minimum setting.
See also parameter 12.01 AI tune.
Default: 20.000mA or 10.000V
Range: -22.000 to +22.000mA or V
Defines the maximum site value for analog input AI1.
Set the value actually sent to the drive when the analog signal from
plant is wound to its maximum setting.
See also parameter 12.01 AI tune.
Range: -32768.000 to +32767.000
Defines the real internal value that corresponds to the minimum analog
input AI1 value defined by parameter 12.17 AI1 min. (Changing the
polarity settings of 12.19 and 12.20 can effectively invert the analog
input.)
12.17
Default: 1500.000; 1800.000 (95.20 b0)
Range: -32768.000 to +32767.000
Defines the real internal value that corresponds to the maximum
analog input AI1 value defined by parameter 12.18 AI1 max. See the
drawing at parameter 12.19 AI1 scaled at AI1 min.
Default: Read Only
Range: -22.000 to +22.000mA or V
Displays the value of analog input AI2 in mA or V (depending on
whether the input is set to current or voltage by a hardware setting).
This parameter is read-only.
Default: Read Only
Range: -32768.000 to +32767.000
Displays the value of analog input AI2 after scaling. See parameters
12.29 AI2 scaled at AI2 min and 12.30 AI2 scaled at AI2 max.
This parameter is read-only.
Descriptions
AI
(12.12)
scaled
12.20
12.18
12.19
AI
(12.11)
in
3AXD50000011888

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