To change or remove an admin password, the current password must be supplied. The DXM Controller must be connected
to the PC to change the administration password.
The
DXM Controller can be unlocked without knowing the administration password, but doing this erases the configuration
program, logging files, and any ScriptBasic program on the device.
To unlock the hardware without knowing the administration password:
1. Turn off the power to the DXM Controller.
2. Open the controller top to access the button and DIP switches of the SAM4 processor board.
3. Turn on DIP switch 4 (next to the SD card holder).
4. Press and hold the reset button (next to the USB jack) while applying power to the DXM Controller.
5. Release the reset button.
6. After five seconds, turn off the power.
7. Turn off DIP Switch 4.
8. Install the DXM cover and apply power.
The device no longer has an administration password set.
5.6 Register Flow and Configuration
The DXM Controller register data flow goes through the Local Registers, which are data storage elements that reside within
the processor. Using the
DXM Configuration Tool, the controller can be programmed to move register data from the Local
Register pool to remote devices, the internal radio, the I/O base, or the display.
Remote DevicesEthernet/USB/Cellular
Processor
Local
Registers
Display I/O Base
Internal
Radio
5.6 Basic Approach to Configuration
When programming an application in the
DXM Controller, the first step is to plan the overall data structure of the Local
Registers. The Local Registers are the main storage elements in the DXM Controller. Everything goes into or out of the
Local Registers. Start by naming the Local Registers in the application as this helps to provide the beginning structure of
the application.
After you have a basic idea what data values to store, configure the read/write rules to move the data. The Read/Write
rules are simple rules that move data between devices and the Local Registers.
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.
To perform scheduled events in Local Registers, look under the Scheduler tab in the DXM Configuration Tool. 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.
DXM100 Controller Instruction Manual
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