(Default Digital input 32)
[32] Pulse input Select Pulse input when using a pulse sequence as either reference or feedback. Scaling is done in par. group
5-5*.
[34] Ramp bit 0 Select which ramp to use. Logic “0” will select ramp 1 while logic “1” will select ramp 2.
[36] Mains failure inverse Activates par. 14-10
Mains Failure
. Mains failure inverse is active in the Logic “0” situation.
[52] Run Permissive The input terminal, for which the Run permissive has been programmed must be logic “1” before a start com-
mand can be accepted. Run permissive has a logic ‘AND’ function related to the terminal which is programmed
for
START
[8],
Jog
[14] or
Freeze Output
[20], which means that in order to start running the motor, both
conditions must be fulfilled. If Run Permissive is programmed on multiple terminals, Run permissive needs only
be logic ‘1’ on one of the terminals for the function to be carried out. The digital output signal for Run Request
(
Start
[8],
Jog
[14] or
Freeze output
[20]) programmed in par. 5-3* Digital outputs, or par. 5-4* Relays, will
not be affected by Run Permissive.
[53] Hand start A signal applied will put the frequency converter into Hand mode as if button
Hand On
on the LCP has been
pressed and a normal stop command will be overridden. If disconnecting the signal, the motor will stop. To
make any other start commands valid, another digital input must be assign to
Auto Start
and a signal applied
to this. The
Hand On
and
Auto On
buttons on the LCP has no impact. The
Off
button on the LCP will override
Hand Start
and
Auto Start
. Press either the
Hand On
or
Auto On
button to make
Hand Start
and
Auto Start
active
again. If no signal on neither
Hand Start
nor
Auto Start
, the motor will stop regardless of any normal Start
command applied. If signal applied to both
Hand Start
and
Auto Start
, the function will be
Auto Start
. If pressing
the
Off
button on the LCP the motor will stop regardless of signals on
Hand Start
and
Auto Start
.
[54] Auto start A signal applied will put the frequency converter into Auto mode as if the LCP button
Auto On
has been pressed.
See also
Hand Start
[53]
[55] DigiPot Increase Uses the input as an INCREASE signal to the Digital Potentiometer function described in parameter group 3-9*
[56] DigiPot Decrease Uses the input as a DECREASE signal to the Digital Potentiometer function described in parameter group 3-9*
[57] DigiPot Clear Uses the input to CLEAR the Digital Potentiometer reference described in parameter group 3-9*
[60] Counter A (up) (Terminal 29 or 33 only) Input for increment counting in the SLC counter.
[61] Counter A (down) (Terminal 29 or 33 only) Input for decrement counting in the SLC counter.
[62] Reset Counter A Input for reset of counter A.
[63] Counter B (up) (Terminal 29 and 33 only) Input for increment counting in the SLC counter.
[64] Counter B (down) (Terminal 29 and 33 only) Input for decrement counting in the SLC counter.
[65] Reset Counter B Input for reset of counter B.
[66] Sleep Mode Forces frequency converter into Sleep Mode (see par. 22-4*, Sleep Mode). Reacts on the rising edge of signal
applied!
[78] Reset Preventive Main-
tenance Word
Resets all data in par. 16-96, Preventive Maintenance Word, to 0.
The below setting options are all related to the Cascade Controller. Wiring diagrams and settings for parameter, see group 25-** for more details.
[120] Lead Pump Start Starts/Stops the Lead Pump (controlled by the frequency converter). A start requires that also a System Start
signal has been applied e.g. to one of the digital inputs set for
Start
[8]!
[121] Lead Pump Alternation Forces alternation of the lead pump in a Cascade Controller.
Lead Pump Alternation
, par. 25-50, must be set to
either
At Command
[2] or
At Staging or At Command
[3].
Alternation Event
, par. 25-51, can be set to any of
the four options.
[130 - 138] Pump1 Interlock -
Pump9 Interlock
For the above 9 setting options, par. 25-10, Pump Interlock, must be set to
On
[1]. The function will also depend
on the setting in par. 25-06, Fixed Lead Pump. If set to
No
[0], then Pump1 refers to the pump controlled by
relay RELAY 1 etc. I f set to
Yes
[1], Pump1 refers to the pump controlled by the frequency converter only (without
any of the build in relays involved) and Pump2 to the pump controlled by the relay RELAY1. Variable speed pump
(lead) cannot be interlocked in the basic Cascade Controller.
See below table:
8. How to programme the frequency converter
VLT
®
AQUA Drive
Operating Instructions
78
MG.20.M4.02 - VLT
®
is a registered Danfoss trademark
8
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