Echelon NodeUtil Node Utility - Manual (Page 23)

NodeUtil User’s Guide 17
value, the utility displays an error message (Value out of range) and
displays the maximum allowable size, and you are prompted to enter a new
value.
See the
ISO/IEC 14908-1 Control Network Protocol standard for a description of
the address table.
B – Buffer Configuration
Use this command to display the buffer configuration of the selected device. The
columns of data displayed include:
• Type – Defines the buffer type.
• Count – Defines the current buffer count for the specified buffer type.
• Size – Defines the size of the specified buffer type.
• Bytes – Defines the number of bytes required for the specified buffer type
(count times size).
The display also includes the total number of bytes required for the specified
buffer configuration.
After displaying the current buffer configuration, you can change the
configuration, one value at a time. For each value, the default value is the
current setting. If you enter a non-valid value, the utility displays an error
message (Value out of range) and displays the maximum allowable size, and
you are prompted to enter a new value.
After you update buffer values (or keep current values), the utility displays the
new configuration, and you can accept or cancel the command before the new
values are written to the device. If you configure the device to use more RAM
than is actually available, the device will most likely crash:
• If the device is based on an FT 3120, PL 3120, or PL 3170 Smart
Transceiver, it might not be recoverable.
• If it is based on an FT 3150 or PL 3150 Smart Transceiver, you might be
able to recover it with the (R)eboot command. If the device is not
recoverable with the reboot command, you can use the EEBLANK
program (available from the Echelon Web site) to blank the EEPROM
and reboot the default image.
• If it is based on an FT 5000 Smart Transceiver or Neuron 5000 Processor,
you might be able to recover it by clearing the external non-volatile
memory for the device. See the
Series 5000 Chip Data Book for a
description of how to clear the external non-volatile memory.
See the Neuron C Programmer’s Guide for a description of the buffers.
C – Application Configuration Structures
Use this command to display data from the read-only and configuration data
structures of the selected device.
See the ISO/IEC 14908-1 Control Network Protocol standard for a description of
the configuration data structures.