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:
Function:
[0]
*
No Operation
The frequency converter does
not issue any commands.
[1]
Online
Makes the pump available to
the Cascade Controller.
[2]
Alternate On
Forces the selected pump to
be the lead pump.
[3]
Offline - Off
Turns off the pump and
makes the pump unavailable
for cascading.
[4]
Offline - On
Turns on the pump and
makes the pump unavailable
for cascading.
[5]
Offline - Spin
Initiates a pump spin.
27-03 Current Runtime Hours
Range:
Function:
0 h
*
[0 -
2147483647 h]
Shows the total number of hours each
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
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
to option
[3] Closed Loop
.
Option:
Function:
[0] Disabled
Turns off the Cascade Controller option.
[1] Master/
Follower
Select this option to use only variable speed
pumps connected to frequency converters.
Selecting this option sets
to
[22] Cascade
Modbus Master
.
27-10 Cascade Controller
Select the operating mode of the Cascade Controller. To enable
the Cascade Controller functionality, set
to option
[3] Closed Loop
.
Option:
Function:
[2] Mixed Pumps Select this option to use both variable and
fixed speed pumps.
[3] Basic Cascade
Ctrl
Turns off the cascade option and reverts to
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
related
*
[ 1 -
8 ]
Shows the number of frequency converters
that the Cascade Controller controls.
Depending on the option installed, the
Cascade Controller can control the following
number of frequency converters:
•
VLT
®
Extended Cascade Controller
MCO 101: 1–6.
•
VLT
®
Advanced Cascade Controller
MCO 102: 1–8.
•
Cascade CTL License software (type
code LXX1): 1–8.
27-12 Number Of Pumps
Range:
Function:
Size
related
*
[ 2 -
8 ]
Shows the number of pumps that the
Cascade Controller controls. Depending on
the configuration, the Cascade Controller can
control the following number of pumps:
•
VLT
®
Extended Cascade Controller
MCO 101: 0–6.
•
VLT
®
Advanced Cascade Controller
MCO 102: 0–8.
•
Cascade CTL License software (type
code LXX1): 1–8.
27-14 Pump Capacity
Range:
Function:
Size
related
*
[ 10 -
800 %]
Enter the capacity of each pump in the
system relative to the first pump. This is
an indexed parameter with one entry per
pump. The capacity of the first pump is
100%.
Parameter Description
Programming Guide
MG20OB02
Danfoss A/S © 05/2018 All rights reserved.
225
3
3
Содержание VLT AQUA Drive FC 202
Страница 2: ......