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Option Functions; Setting The Self Healthy Mode Parameters - Toshiba TC-net 100 Instruction Manual

Connecting to the unified controller nv series
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3.5

Option Functions

3.5.1 Setting the self healthy mode parameters

In the self healthy mode, the talker block of the node becomes scan
healthy even if an error occurs in the transmission path. In normal
operation of the TN8 module, all scan blocks become unhealthy if an error
occurs in the transmission path due to disconnection. If the TN8 module
is set to the self healthy mode, the scan healthy information of the talker
block of the node stays in the state when an error occurred in the
transmission path.
To set the TN8 module to the self healthy mode, do the following.
In the parameter screen of the TN8 module, set the option switch to
ON and perform a download.
Note
• If the controller is in a redundant configuration, download the module parameters of the TN8
by selecting [Primary (P)] and [Secondary (S)] from [Transmission Destination].
The following table shows the scan healthy information that is provided by
the TN8 module in the self healthy mode to the host controller.
Table 3-4 Scan healthy information in the self healthy mode
Talker area
Talker area of
the module
Talker area of
other node
Figure 3-33 shows an example of the self healthy mode configuration.
When the transmission path
is normal
Host controller is normal:
Healthy
Host controller is abnormal:
Unhealthy
Other node is normal:
Healthy
Other node is abnormal:
Unhealthy
Unified Controller nv series TC-net 100 (TN8) Module Operation Manual

3.5 Option Functions

When the transmission path is abnormal
(e.g. cable disconnection)
Host controller is normal when
transmission path is abnormal:
Continuously healthy
Host controller is abnormal when
transmission path is abnormal:
Continuously unhealthy
Always unhealthy
45

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