Danfoss VLT AQUA Drive FC 202 Programming Manual page 227

Parameter Description
27-02 Manual Pump Control
This parameter is a command parameter that allows manual
control of individual pump states. Selecting one of the options
executes the command in the option and then returns to option
[0] No Operation.
Option:
[0] No Operation
*
[1] Online
[2] Alternate On
[3] Offline - Off
[4] Offline - On
[5] Offline - Spin
27-03 Current Runtime Hours
Range: Function:
0 h [0 - Shows the total number of hours each
*
2147483647 h] pump has run since the last reset. This
value is used to balance the running
hours between pumps. To reset the value
to 0, use parameter 27-91 Cascade
Reference.
27-04 Pump Total Lifetime Hours
Range: Function:
0 h [0 - 2147483647 h] Shows the total hours run for each
*
connected pump.
NOTICE
This parameter may be set to a certain value for
maintenance purposes.
3.24.5 27-1* Configuration
Parameters for configuring the Cascade Controller option.
27-10 Cascade Controller
Select the operating mode of the Cascade Controller. To enable
the Cascade Controller functionality, set parameter 1-00 Configu-
ration Mode to option [3] Closed Loop.
Option: Function:
[0] Disabled Turns off the Cascade Controller option.
[1] Master/ Select this option to use only variable speed
Follower pumps connected to frequency converters.
Selecting this option sets
parameter 8-30 Protocol to [22] Cascade
Modbus Master.
MG20OB02
Programming Guide
Function:
The frequency converter does
not issue any commands.
Makes the pump available to
the Cascade Controller.
Forces the selected pump to
be the lead pump.
Turns off the pump and
makes the pump unavailable
for cascading.
Turns on the pump and
makes the pump unavailable
for cascading.
Initiates a pump spin.
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27-10 Cascade Controller
Select the operating mode of the Cascade Controller. To enable
the Cascade Controller functionality, set parameter 1-00 Configu-
ration Mode to option [3] Closed Loop.
Option: Function:
[2] Mixed Pumps Select this option to use both variable and
fixed speed pumps.
[3] Basic Cascade Turns off the cascade option and reverts to
Ctrl basic cascade operation (see parameter group
25-** Cascade Controller for more
information). Selecting this option increases
the number of pumps that the basic Cascade
Controller can control. The additional relays
on the option can be used to extend the
basic Cascade Controller with 3 relays.
27-11 Number Of Drives
Range: Function:
Size [ 1 - Shows the number of frequency converters
related 8 ] that the Cascade Controller controls.
*
Depending on the option installed, the
Cascade Controller can control the following
number of frequency converters:
•
®
VLT
MCO 101: 1–6.
•
®
VLT
MCO 102: 1–8.
•
Cascade CTL License software (type
code LXX1): 1–8.
27-12 Number Of Pumps
Range: Function:
Size [ 2 - Shows the number of pumps that the
related 8 ] Cascade Controller controls. Depending on
*
the configuration, the Cascade Controller can
control the following number of pumps:
•
VLT
MCO 101: 0–6.
•
VLT
MCO 102: 0–8.
•
Cascade CTL License software (type
code LXX1): 1–8.
27-14 Pump Capacity
Range: Function:
Size [ 10 - Enter the capacity of each pump in the
related 800 %] system relative to the first pump. This is
*
an indexed parameter with one entry per
pump. The capacity of the first pump is
100%.
Extended Cascade Controller
Advanced Cascade Controller
®
Extended Cascade Controller
®
Advanced Cascade Controller
225
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