Software User Manual FRN 1.2 Owner manual

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 1002
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)