User manual

Reference MVI56-HART ♦ ControlLogix Platform
User Manual HART Multi-drop Master Communication Module
Page 88 of 171 ProSoft Technology, Inc.
October 13, 2011
Word Offset in Block Data Field(s) Description
4 Start Index of
First
Command
This field contains the index in the command list for the
first value in the file. This field will have a value of 0 to
MaxCommands-1.
5 to 104 Command
List Errors
Each word of this area contains the last error value
recorded for the command. The command index of the
first value (offset 4) is specified in word 3 of the request
block. The number of valid command errors in the block is
set in word 3 of the block. Refer to the command error list
to interpret the error codes reported.
105 to 248 Spare Not Used
249 Block ID This field contains the value of 9950 identifying the block
type to the PLC.
For further information concerning the status blocks (0 and -1) please refer to Status
Data.
Block 9998: Warm Boot
Block 9998 performs a warm-boot operation on the module. The following table describes
the format of the block constructed by the processor.
Offset Description Length
0 9998 1
1 to 247 Spare 247
Block 9999: Cold Boot
Block 9999 performs a cold-boot operation on the module. The following table describes
the format of the block constructed by the processor.
Offset Description Length
0 9999 1
1 to 247 Spare 247