164 CG Drives & Automation 01-7491-01r0
Relay Advanced [55D]
This function makes it possible to ensure that the relay will
also be closed when the AC drive is malfunctioning or
powered down.
Example
A process always requires a certain minimum flow. To
control the required number of pumps by the relay mode
NC, the e.g. the pumps can be controlled normally by the
pump control, but are also activated when the AC drive is
tripped or powered down.
Relay 1 Mode [55D1]
Relay Modes [55D2] to [55DC]
Same function as for “Relay 1 Mode [55D1]”.
11.5.6 Virtual Connections [560]
Functions to enable eight internal connections of
comparator, timer and digital signals, without occupying
physical digital in/outputs. Virtual connections are used to
wireless connection of a digital output function to a digital
input function. Available signals and control functions can
be used to create your own specific functions.
Example of start delay
The motor will start in RunR 10 seconds after DigIn1 gets
high. DigIn1 has a time delay of 10 s.
Virtual Connection 1 Destination
[561]
With this function the destination of the virtual connection
is established. When a function can be controlled by several
sources, e.g. VC destination or Digital Input, the function
will be controlled in conformity with “OR logic”. See DigIn
for descriptions of the different selections.
Virtual Connection 1 Source [562]
With this function the source of the virtual connection is
defined. See DigOut 1 for description of the different
selections.
Virtual Connections 2-8 [563] to
[56G]
Same function as virtual connection 1 [561] and [562].
55D Relay Advan
55D1 Relay1 Mode
Default: N.O
N.O 0
The normal open contact of the relay will
be activated when the function is active.
N.C 1
The normally closed contact of the relay
will act as a normal open contact. The
contact will be opened when function is
not active and closed when function is
active.
Menu Parameter Setting
[521] DigIn1 Timer 1
[561] VIO 1 Dest RunR
[562] VIO 1 Source T1Q
[641] Timer1 Trig DigIn 1
[642] Timer1 Mode Delay
[643] Timer1 Delay 0:00:10
NOTE: When a digital input and a virtual destination
are set to the same function, this function will act as
an OR logic function.
561 VIO 1 Dest
Default: Off
Selection:
Same selections as for Digital Input 1,
menu [521].
562 VIO 1 Source
Default: Off
Selection: Same as for menu [541].
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