USER’S MANUAL

Fieldbus format
Modbus format
Relay Advanced [55D]
This function makes it possible to ensure that the relay
will also be closed when the VSD 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 variable speed drive is tripped or powered
down.
Relay 1 Mode [55D1]
Default:
N.O 0
N.C 1
N.O
Communication information
Relay Modes [55D2] to [55DC]
Same function as for relay 1 mode [55D1].
Communication information
UInt
UInt
The normal open contact of the relay will
be activated when the function is active.
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.
Modbus Instance no/DeviceNet no: 43276
Profibus slot/index 169/180
Fieldbus format
UInt
Modbus format
UInt
Modbus Instance no/DeviceNet no:
Profibus slot/index
Fieldbus format
Modbus format
55D Relay Adv
Stp A
55D1 Relay Mode
Stp A
N.O
43277–43278,
43521–43529
169/181–169/182,
170/170–170/178
UInt
UInt
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.
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.
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.
Default:
Selection:
Off
Communication information
Same selections as for Digital Input 1,
menu [521].
Modbus Instance no/DeviceNet no: 43281
Profibus slot/index 169/185
Fieldbus format
Modbus format
561 VIO 1 Dest
Stp A
Off
UInt
UInt
Omron SX inverter manual Functional Description 129