Emerson Micro Motion 3711, Руководство по конфигурации и использованию, Страница: 79 / 234

Configuration and Use Manual 71
Configuring I/O
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7.6.2 Discrete Input – Advanced panel
The Discrete Input – Advanced panel is shown in Figure 7-8. Parameters on this panel are listed and
defined in Table 7-7.
Figure 7-8 Discrete Inputs – Advanced panel
Table 7-6 Discrete Inputs – General parameters
Parameter Description Comments
Point Number Module slot number and channel number for this point. Not configurable.
Scan Period Number of seconds between updates of the Filter value in the
Advanced panel. Default: 1 second.
DIN Type Standard: Status field updated regularly to match status of
remote device.
Latched:
• If Input is Normal (see Section 7.6.2), status field changes to
On when remote device switches state from Off to On, and
remains On until cleared.
• If Input is Inverted, status field changes to On when remote
device switches state from On to Off, and remains On until
cleared.
To clear status, click the Off button,
then click Apply.
Status Current status of discrete input, possibly modified by DIN Type
and Input parameters.
Scanning • Enabled: Input from the remote device is automatically
processed by the Model 3711.
• Disabled: Input from the remote device is ignored and the
Status field is not updated.
If Alarming is enabled, an alarm is
generated when Scanning is set to
Disabled.
Alarming • Enabled: alarms are generated on point failure and written to
the alarm log.
• Disabled: a Point Fail alarm may appear in the Active Alarms
field, but will not be written to the alarm log.
To conserve alarm log space,
enable alarms only when
necessary.
Active Alarms Displays any alarms that are currently active for this point. The field at the right of the Active
Alarm field displays the alarm bit
status value (0 to 255).