Rockwell-automation 1203-CN1 ControlNet Communications Module 1203-CN1 Manual de usuario Pagina 107

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Publication 1203-5.13 February, 2002
ControlNet Objects: Class Code 0xF0 ControlNet Object D-21
Class Code 0xF0 ControlNet
Object
The ControlNet Object provides a consistent Station Management
interface to the Physical and Data Link Layers. This object makes
diagnostic information from these layers available to client
applications.
Class Attributes
Instances
Instance Attributes
Attribute ID Access Rule Name Data Type Description
0x01 Get Revision UINT Revision of this object. First revision,
value=1.
0x02 Get Max Instance UDINT Maximum instance number. Value
determined by node specifics.
Instance Description
1 ControlNet Status
Attribute ID Access Rule Name Data Type Description
0x81
Get current_link_config STRUCT of 34
BYTEs
Current link configuration parameters.
0x82
Get/Get_and_
Clear
diagnostic_counters STRUCT of 42
BYTEs
Diagnostic counters.
buffer_errors UINT Buffer event counters.
error_log BYTE [8] Bad MAC frame log.
event_counters STRUCT of 32
BYTEs
Diagnostic counters.
good_frames_
transmitted
BYTE [3] Good MAC frames transmitted (LSB
first).
good_frames_
received
BYTE [3] Good MAC frames received (LSB first).
selected_channel_
frame_errors
USINT Framing errors detected on active
receive channel.
channel_A_frame_
errors
USINT Framing errors detected on active
receive channel.
channel_B_frame_
errors
USINT MAC frames aborted during
transmission (transmit underflows).
aborted_frames_
transmitted
USINT MAC frames aborted during
transmission (transmit underflows).
highwaters USINT LLC transmit underflow and LLC
receive overflow.
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