Danfoss vlt soft starter mcd 500 - Outputs; Relay a Delays; Relays B and C

3-4 Input A Name
Option: Function:
Starter disable
Controller
PLC
Vibration alarm
3-5 Input A Trip
Option: Function:
Selects when an input trip can occur.
Always active* A trip can occur at any time when the soft
starter is receiving power.
Operating only A trip can occur while the soft starter is
running, stopping, or starting.
Run only A trip can only occur while the soft starter is
running.
3-6 Input A Trip Delay
Range: Function:
0 s* [0:00–4:00 (min:s)] Sets delay between the input
activating and soft starter tripping.
3-7 Input A Initial Delay
Range: Function:
0 s* [00:00–
30:00 (min:s)]
Sets a delay before an input trip can occur.
The initial delay is counted from the time a
start signal is received. The state of the input
is ignored until the initial delay has elapsed.
3-8 Remote Reset Logic
Option: Function:
Selects whether the remote reset input of the
soft starter (terminals 25, 18) is normally
open or normally closed.
Normally closed*
Normally open
8.4 Outputs
4-1 Relay A Function
Option: Function:
Selects the function of relay A (normally open).
O Relay A is not used
Main
contactor*
The relay closes when the soft starter receives
a start command and remains closed as long
as the motor receives voltage.
Run The relay closes when the starter changes to
run state.
Trip The relay closes when the starter trips.
Warning The relay closes when the starter issues a
warning.
Low current
ag
The relay closes when the low current ag
activates (parameter 4-10 Low Current Flag).
High current
ag
The relay closes when the high current ag
activates (parameter 4-11 High Current Flag).
4-1 Relay A Function
Option: Function:
Motor temp
ag
The relay closes when the motor temperature
ag activates (parameter 4-12 Motor
Temperature Flag).
8.4.1 Relay A Delays
The soft starter can be congured to wait before opening
or closing relay A.
4-2 Relay A On Delay
Range: Function:
0 s* [0:00–5:00 (min:s)] Sets the delay for closing relay A.
4-3 Relay A O Delay
Range: Function:
0 s* [0:00–5:00 (min:s)] Sets the delay for reopening relay A.
8.4.2 Relays B and C
Parameters 4-4 to 4-9 congure the operation of relays B
and C in the same way as parameters 4-1 to 4-3 congure
relay A. See parameter 4-2 Relay A On Delay and parameter
4-3 Relay A O Delay for details.
•
Relay B is a changeover relay.
•
Relay C is normally open.
4-4 Relay B Function
Option: Function:
Selects the function of relay B (changeover).
O Relay B is not used.
Main
contactor
The relay closes when the soft starter receives a
start command and remains closed as long as
the motor is receiving voltage.
Run* The relay closes when the soft starter changes
to run state.
Trip The relay closes when the soft starter trips.
Warning The relay closes when the soft starter issues a
warning.
Low current
ag
The relay closes when the low current ag
activates (parameter 4-10 Low Current Flag).
High current
ag
The relay closes when the high current ag
activates (parameter 4-11 High Current Flag).
Motor temp
ag
The relay closes when the motor temperature
ag activates (parameter 4-12 Motor Temperature
Flag).
4-5 Relay B On Delay
Range: Function:
0 s* [0:00–5:00 (min:s)] Sets the delay for closing relay B.
Parameter Descriptions
VLT
®
Soft Starter MCD 500
64 Danfoss A/S © 05/2016 All rights reserved. MG17K602
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