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212
I/Os and Virtual Connections [500]
Section 11-5
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]
Communication information
Same function as for relay 1 mode [55D1].
Communication information
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 nor-
mal open contact. The contact will be opened when func-
tion is not active and closed when function is active.
Modbus Instance no/
DeviceNet no:
43276
Profibus slot/index
169/180
EtherCAT index (hex)
4ccc
Fieldbus format
UInt
Modbus format
UInt
Modbus Instance no/
DeviceNet no:
43277–43278,
43521–43529
Profibus slot/index
169/181–169/182,
170/170–170/178
EtherCAT index (hex)
4ccd-4cce
4dc1-4dc9
Fieldbus format
UInt
Modbus format
UInt
A
N.O
A
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