Danfoss VLT AQUA Programming Manual page 242

2. Parameter Description
25-81 Pump Status
Option:
[X]
2
[O]
[D]
[R]
25-82 Lead Pump
Option:
25-83 Relay Status
Array [2]
25-84 Pump ON Time
Array [2]
242
Function:
Disabled
Off
Running on Frequen-
cy Converter
Running on Mains Pump Status shows the status for the number of pumps selected
Number of Pumps
in
for each of the pumps showing a string, which consists of pump
number and the current status of the pump.
Example: Readout is with the abbreviation like "1:D 2:O" This
means that pump 1 is running and speed controlled by the fre-
quency converter and pump 2 is stopped.
Disabled
lock
, par. 25-19, or signal on a digital input programmed for
Pump (number on pump) Interlock in
Can only refer to fixed speed pumps.
Off
(O): Stopped by the cascade controller (but not interlocked).
Running on Frequency Converter
gardless if connected directly or controlled via relay in the
frequency converter.
Running on Mains
running.
Function:
0 N/A Readout parameter for the actual variable speed pump in the
system. The Lead Pump parameter is updated to reflect the
current variable speed pump in the system when an alternation
takes place. If no lead pump is selected (Cascade Controller
disabled or all pumps interlocked) the display will show NONE.
On
Off Read out of the status for each of the relays assigned to control
the pumps. Every element in the array represents a relay. If a
relay is activated, the corresponding element is set to "On". If
a relay is deactivated, the corresponding element is set to "Off".
MG.20.O2.02 - VLT
®
VLT
, par. 25-01. It is a readout of the status
(X): The pump is interlocked either via
(D): Variable speed pump, re-
(R): Running on mains. Fixed speed pump
®
is a registered Danfoss trademark
AQUA Drive Programming Guide
Pump Inter-
Digital Inputs
, par. 5-1*.