Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 59)

Publication 1758-UM002D-EN-P - October 2010
DataSite Configuration Settings Utility (DS Settings) 59
If the number of registers is 0 in any command, you do not have to enter a
register address.
The register range is 40003…49999 for 1758-RTU controllers, and
40003…47999 for 1758-FLO controllers.
Description of HART Commands
The following table provides a description of each HART command and the
registers that it uses.
48 Read additional Transmitter Status 0 13 0 2
54 Read Transmitter Variable Information 1 10 2 2
59 Write Number Of Response Preambles 1 0 0 2
Number of registers used in each HART command (Continued)
Command Description Number of registers
Send register Return register Unit register HART state
register
Description of HART commands
Command 0
Purpose Read the equipment identifier.
This command must be configured for each HART device in order
for the other commands to work.
Send register Not used
Return register +0 = manufacturer ID code, 8-bit unsigned integer
+1 = manufacturer equipment type code, 8-bit unsigned integer
+2 = forerunner character number, 8-bit unsigned integer
+3 = global command revision level, 8-bit unsigned integer
+4 = transmitter revision level, 8-bit unsigned integer
+5 = software revision level, 8-bit unsigned integer
+6 = hardware revision level, 8-bit unsigned integer
+7 = equipment function flags, 8-bit unsigned integer
+8, 9 = Device Identification Number (double), 24-bit unsigned
integer
Unit register Not used
HART state register +0 = state 0
+1 = state 1
Command 1
Purpose Read primary variable (P. V.)
Send register Not used
Return register +0, 1 = P. V. (float point)