Omron 3G8F7-CRM21, User Manual

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Status Section 3-3
Precautions for Correct Use
For a Word Mixed Slave Unit, use the status for the node address of the Word
Input Slave Unit. For a Bit Mixed Slave Unit, use the status for the node
address of the Bit Input Slave Unit.
3-3-2 Detailed Status Group
To access to the detailed status group in the Windows operation systems, the
functions CPNT_GetStatusEx is used.
To read the detailed status group from accessing the shared memory area,
the command REQUEST_STATUS is used and a read request is issued.
See Appendix B.3.6 for the procedures.
Status Description
Participation flag When a Slave Unit participates in the network, the bit
corresponding to the node address will be on.
Once the target Slave Unit is participating, the bit remains on. It
stays on even the Slave Unit separates due to a
communications error.
Communications
error flag The bit will be on if a communications error occurs to the once
participated Slave Unit whose participation flag is on, and its
communications with the CompoNet Master Board is
prevented. The bit will be off when the error is resolved.
State Status It shows the entire network status and the CompoNet Master
Board status.
See Appendix B.3.3.
Status Description
Duplication error
flag It shows a duplication error for each applicable node.
The error occurs not only due to duplication but also if the
Slave Unit stops by unstable communications.
Registration error
(Registered Slave
not participating)
flag It shows a registration error (i.e., The registered Slave Unit has
not participated) for each applicable node.
Registration error
(Non- registered
Slave participating)
flag It shows a registration error (i.e., A non-registered Slave Unit is
to participate) for each applicable node.
Repeater
configuration error It shows a Repeater configuration error for each applicable
node.
Event Only (EO)
Slave Unit It means the Slave Unit cannot participate but can only use
explicit messages.
Master status It stores detailed status of the mastering functions.
Error counter It is the error counter for the CompoNet Master Board.
Network power
state It shows the state of network power supply.
Participated Slave
Unit identity table It stores the identity information of participating Slave Units.
Repeater
configuration
information It stores the Repeater configuration information.
Alarm information It stores the alarm information collected by each applicable
Slave Unit.