Devicenet Operation Mode; Bit Strobe - Danfoss VLT 2800 Manual

I

DeviceNet Operation Mode

I Bit Strobe
Bit strobe provides the ability of a slave to react to
a special command of the master in a defined way.
Master sends the Bit strobe command to many
devices at a time, only one bit of the message is
assigned to a single slave at a time, what means, that
only the state "TRUE" or "FALSE" can be transmitted.
This parameter may be used for synchronizing drives.
Executing the Bit-Strobe command with a value of
"1" (TRUE) leads the addressed drive to ignore the
input values of the control word and the reference
transmitted via the Assembly Instances , the Control
Supervisor and the AC/DC Drive Object. If the
Bit-Strobe command is executed with a value of "0"
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VLT 2800 / FCD 300 DeviceNet
(FALSE), the drive reacts according to the input values
again. This means, that the value of the Bit-Strobe
command is stored internally and the drive reacts
according the value of the Bit-Strobe command.
The master can transmit the new reference when
the Bit-Strobe value is "1", it must be valid after
the execution of the Bit-Strobe command with the
value "0" [10]. After a Bit-Strobe command has
been executed, the device must answer with the
according I/O telegram and ignore any CTW, MAV
and PCDs transmitted by the master.
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