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Settings
DIP Switches
1
2
3
4
ON
Bypass XML
Turn to ON to have the XML file ignored at boot time. This is useful for ignoring a corrupt or questionable XML
configuration file. After the device is running, a new XML file can be loaded using the DXM configuration tool. The
factory default position is OFF.
Disable Ethernet Port
Set to ON to power down the Ethernet interface. The factory default position is OFF.
Disable LCD Display
Set to ON to disable the LCD. This DIP switched should be ON when the LCD display board is not connected. The
factory default position is OFF.
4.1.2 Button Operation
The SAM4 processor button has two functions:
•
Clearing the access password as explained above.
•
Pressing the button for 5 seconds forces a Push to the webserver. This assumes a proper configuration for the
webserver.
4.1.3 LED Operation
By default, the four LEDs indicate the following conditions:
•
LED 1 - Heartbeat, indicates the processor is running.
•
LED 2 - Indicates the cellular modem power cutoff is active. If the incoming power is less than 11.2 V, the cellular
modem is powered down.
•
LED 3 - XML configuration file was rejected.
•
LED 4 - ScriptBasic program failed to load.
4.2 Ethernet
Before applying power to the DXM100-Bx Wireless Controller, verify the Ethernet cable is connected. If the Ethernet cable
is not connected when the device powers up, the DXM100-Bx Wireless Controller will not recognize the connection.
The Ethernet connection supports the DXM Configuration Tool, Modbus/TCP, and EtherNet/IP. ScriptBasic also has access
to Ethernet for custom programming. Use the DXM Configuration Tool to configure the characteristics of the Ethernet
connection, fixed IP addresses, DHCP, etc. The LCD menu allows the user to change the IP Address.
4.3 USB
The USB port is used with the DXM Configuration Tool to program the DXM100-Bx Wireless Controller. The USB port is also
used as the console output for the processor and ScriptBasic.
4.4 Modbus Registers - Internal Local Registers (Modbus Slave 199)
The main storage elements for the DXM Controller are its Local Registers, which can store 4-byte values that result from
register mapping, action rules, or ScriptBasic commands.
•
Local Registers 1 through 850 are standard 32-bit signed registers.
•
Local Registers 851 through 900 are non-volatile registers that are limited to 100,000 write cycles.
•
Local Registers 1001 through 1900 are floating point format numbers. Each register address stores half of a
floating point number. For example, registers 1001 and 1002 store the first full 32-bit floating point number.
•
Local Registers 10001 through 19000 are system, read-only, registers that track DXM Controller data and
statistics.
4.4.1 Local Registers 1–850 (Internal Processor Memory, 32-bit, Unsigned)
The local registers are the main global pool of registers. Local registers are used as basic storage registers and as the
common data exchange mechanism.
Modbus slave ID 0 is reserved for the processor.
DXM100-Bx Wireless Controller Instruction Manual
16
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