Rockwell Automation Publication 5032-UM001A-EN-P - April 2023 59
Chapter 5 Configure the IO-Link Master Module
Servers View
The Servers view shows information about the HTTP server for the IO-Link master module.
Use the Servers view to complete the following tasks:
• Enable or disable the HTTP server.
Local Clock
Synchronization Status
Displays whether the local clock is synchronized or not synchronized with the
Grandmaster reference clock. A clock is synchronized if it has one port in the slave state
and is receiving updates from the time master.
Offset to Master
Displays the amount of deviation between the local clock and the Grandmaster clock in
nanoseconds.
Ethernet
Displays the state of the Ethernet port. The available values are: Initializing, Faulty,
Disabled, Listening, PreMaster, Master, Passive, Uncalibration, Slave, or None.
Identity
Displays the unique identifier for the local clock. The format depends on the network
protocol. Ethernet network encodes the MAC ID into the identifier.
Class
Displays a measure of quality of the local clock. Values are defined from 0…255, with
zero as the best clock.
Accuracy
Indicates the expected absolute accuracy of the Grandmaster clock relative to the PTP
epoch. The accuracy is specified as a graduated scale that starts at 25 nanoseconds and
ends at greater than 10 seconds or unknown. The lower the accuracy value, the better
the clock.
Variance
Displays the measure of inherent stability properties of the local clock. The value is
represented in offset scaled log units. The lower the variance, the better the clock.
Source
Displays the time source of the Grandmaster clock. The available values are:
•PTP
• Oscillator
Table 13 - Time Sync Parameters (Continued)
Parameter Description
IMPORTANT The Servers view is not available under the following conditions:
• While the module is being created (New Module dialog)
• While the project is offline
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