5.1.2 Controller Configuration Authentication
The DXMR90-4K can be programmed to allow changes to the configuration files only with proper authentication by setting up
a password on the
Settings
>
Administration
screen in the DXM Configuration Software.
With the DXMR90-4K connected to the PC, click
Get Device Status
. The DXMR90-4K status displays next to the button.
Figure 16. Settings > Administration screen
Use the DXM Configuration Software to:
•
Set the Admin Password
•
Change the Admin Password
•
Remove the Admin Password
To change or remove an admin password, the current password must be supplied. The DXMR90-4K must be connected to
the PC to change the administration password.
5.2 Register Flow and Configuration
The DXMR90-4K register data flow goes through the Local Registers, which are data storage elements that reside within the
processor. Using the configuration software, the controller can be programmed to move register data from the Local Register
pool to remote devices or the I/O base.
Figure 17. Register flow
Remote Devices
Ethernet
Processor
Local
Registers
I/O Base
5.2.1 Basic Approach to Configuration
When programming an application in the DXMR90-4K, first plan the overall data structure of the Local Registers. The Local
Registers are the main storage elements in the DXMR90-4K. Everything goes into or out of the Local Registers.
1. In the DXM Configuration Software, name the Local Registers to provide the beginning structure of the application.
2. Configure the read/write rules to move the data. The Read/Write rules are simple rules that move data between
devices (Nodes, Modbus slaves, sensors, etc) and the Local Registers.
3. Most applications require the ability to manipulate the Local Register data, not just move data around. Use the
Action
rules
to make decisions or transform the data after the data is in the Local Registers. Action rules can apply many
different functions to the Local Register data, including conditional statements, math operations, copy operations, or
trending.
4. To perform scheduled events in Local Registers, go to the
Scheduler
screen in the DXM Configuration Software.
These rules provide the ability to create register events by days of the week. The scheduler can also create events
based on sunrise or sunset.
DXMR90-4K IO-Link Master
22
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