Reference MVI71-DNPSNET
♦
PLC Platform
Distributed Network Protocol Interface Module
ProSoft Technology, Inc.
Page 71 of 100
September 22, 2008
Bit Description
3
Class 3 data available. Set when class 3 data is ready to be sent from the slave to the
master. Master should request class 3 data when this bit is set.
4
Time synchronization required from the master. The master should write the date and
time when the bit is set. After receiving the write command, the bit will be cleared.
5
Slave digital outputs are in local control. This bit is not used in this application.
6 Not
used
7
Device restart. This bit is set when the slave either warm or cold boots. It is cleared after
a master writes a 0 to the bit.
5.6.2 Second
Byte
Bit Description
0
Bad function code. The function code contained in the master request is not supported
for the specified object/variation.
1
Requested object(s) unknown. Object requested by master is not supported by the
application.
2
Parameters in the qualifier, range, or data fields are not valid or out of range for the
slave.
3
Event buffer(s) or other application buffers have overflowed. This bit is also set if the
slave receives a multi-frame message from the master.
4
Request understood but the requested operation is already executing. The slave will
never set this bit.
5 Not
used.
6 Reserved.
Always
0.
7 Reserved.
Always
0.
Summary of Contents for InRax MVI71-DNPSNET
Page 4: ......
