Terminal 27 Digital Output; Terminal 29 Digital Output - Danfoss VLT Programming Manual

®
VLT HVAC Drive Programming Guide
[196] Fire Mode
[197] Fire Mode was act.
[198] Drive Bypass
The below setting options are all related to the Cascade Controller.
Wiring diagrams and settings for parameter, see group 25-** for more details.
[200] Full Capacity
[201] Pump1 Running
[202] Pump2 Running
[203] Pump3 Running
Setting in Par. 5-3*
[200] Pump 1 Running
[201] Pump 2 Running
[203] Pump 3 Running

5-30 Terminal 27 Digital Output

Same options and functions as par. 5-3*.
Option:
[0] * No operation

5-31 Terminal 29 Digital Output

Same options and functions as par. 5-3*.
Option:
[0] * No operation
The frequency converter is operating in Fire Mode. See parameter group24-0*
The frequency converter has been operating in Fire Mode, but is now back in normal operation.
To be used as signal for activating an external electromechanical bypass switching the motor direct
Drive Bypass
on line. See 24-1* .
If enabling the Drive Bypass Function, the frequency converter is no longer Safety
Certified (for using the Safe Stop in versions where included).
All pumps running and at full speed
One or more of the pumps controlled by the Cascade Controller are running. The function will also
depend on the setting of in par. 25-06
controlled by relay RELAY1 etc. If set to
frequency converter only (without any of the build in relays involved) and Pump 2 to the pump
controlled by the relay RELAY1. See below table:
See [201]
See [201]
Setting in par. 25-06
[0] No
Controlled by RELAY1
Controlled by RELAY2
Controlled by RELAY3
Function:
Function:
MG.11.C9.02 - VLT ® is a registered Danfoss trademark
3 Parameter Description
Number of Pumps No
. If set to [0] Pump 1 refers to the pump
Yes
[1] Pump 1 refers to the pump controlled by the
Number of Pumps
[1] Yes
Frequency Converter controlled
Controlled by RELAY1
Controlled by RELAY2
3
Fire Mode
.
85