Cascade Controller Parameters; Cascade Ctl Option, 27; Control & Status - Danfoss VLT Series Operating Instructions Manual

®
VLT Operating Instructions

1.8 Cascade Controller Parameters

5-01 Terminal 27 Mode
Option:
[0] * Input
[1] Output
Please note that this parameter cannot be adjusted while the motor is running.
5-30 Terminal 27 Digital Output
Option:
[0] * No operation
Range:
100.000* [-999999.999 - 999999.999]

1.8.1 Cascade CTL Option, 27-**

Cascade Control Option parameter group.
1.8.2 Control & Status, 27-0*
Control and status parameters are for monitoring and manual control of the pumps.
Use Right [►] and Left [◄] arrow keys to choose pump. Use Up [
▼
Down [ ] arrow keys to change settings.
27-01 Pump Status
Option:
[0] Ready
[1] On Drive
[2] On Mains
[3] Offline-Off
[4] Offline-On Mains
[5] Offline-On Drive
[6] Offline-Fault
[7] Offline-Hand
[8] Offline-External Interlock
[9] Spinning
Function:
Defines terminal 27 as a digital input.
Defines terminal 27 as a digital output.
Function:
Same options and functions as par. 5-3*.
Function:
Enter the high reference value [RPM] for the motor shaft speed and the high feedback value, see
Term. 33 High Ref./Feedb. Value
also par. E-68
▲
] and
Function:
Pump Status is a readout parameter showing the status of each pump in the system. Possible set-
tings are:
the pump is available for use by the cascade controller.
the pump is controlled by the cascade controller, and the pump is connected to a drive, and is
running.
the pump is controlled by the cascade controller, and the pump is connected to mains, and is run-
ning.
the pump is not available for use by the cascade controller, and the pump is off.
the pump is not available for use by the cascade controller, and the pump is connected to mains
and is running
the pump is not available for use by the cascade controller, and the pump is connected to mains
and is running
the pump is not available for use by the cascade controller, and the pump is connected to mains
and is running
the pump is not available for use by the cascade controller, and the pump is connected to mains
and is running
the pump has been externally interlocked and is off.
the cascade control is executing a spin cycle for the pump.
®
MI.38.C3.02 - VLT is a registered Danfoss trademark
1 Extended and Advanced Cascade Controller
.
Option
1
25