Readouts - Danfoss VLT Series Operating Instructions Manual

®
VLT Operating Instructions
[0] Drive X Enable
Pump K to Drive N
Pump K to Mains

1.8.9 Readouts, 27-9*

Cascade Control Option Readout Parameters
27-91 Cascade Reference
Cascade Reference is a readout parameter that shows the reference output for use with follower drives. This reference is available even when the master
drive is stopped. This is the speed that the drive is operating at or would be operating at if it were on. It is scaled as a percent of
(P4-13[RPM] or P4-14[Hz]).
Units: %
27-92 Current % of Total Capacity
Current % of Total Capacity is a readout parameter that shows the system operating point as a % capacity of total system capacity. 100% means all
pumps are on at full speed.
Units: %
27-93 Cascade Option Status
Option:
[0] * Disabled
Off
Running
Running at FSBW
Jogging
In Open Loop
Freezed
Emergency
Alarm
Staging
Destaging
Alternating
Lead Pump Not Set
27-94 Cascade System Status
Cascade System Status is a readout parameter that shows the status of each individual pump.
Enable follower drive X
Connect pump K to drive N
Connect pump K to mains
NB!
If MCO 102 is installed, the relay option MCB 105 may also be available for cas-
cade control.
Function:
Cascade Option Status is a readout parameter to show the status of the cascade system.
The cascade option is not used.
The cascade option is turned off.
The cascade option is running normally.
The cascade option is running in fixed speed mode. No variable speed pumps are available.
The system is running at the jog speed set in P3-11.
The system is set to open loop.
The system is frozen in the current state. No changes will take place.
The system is stopped due to Coast, Safety Interlock, Trip Lock, or Safe Stop.
The system is operating with an alarm condition.
A staging operation is in progress.
A destaging operation is in progress.
An alternation operation is in progress.
A lead pump has not been selected.
®
MI.38.C3.02 - VLT is a registered Danfoss trademark
1 Extended and Advanced Cascade Controller
Option
1
Motor Speed High Limit
35