Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 69)

Publication 1758-UM002D-EN-P - October 2010
DataSite Configuration Settings Utility (DS Settings) 69
Edit a HART Scan Block
Follow these steps to edit a HART scan block.
1. Double-click the block you want to edit.
The Edit dialog box appears. The NO. box displays the serial number of
the current HART scan block.
2. From the HART Channel pull-down menu, choose a channel for the
HART interface module to send commands to. The effective range is
0…2.
• The HART0 channel supports multi-branched HART scan, and the
data of up to 13 pieces of HART equipment can be scanned.
• The HART1 and HART2 channels are point-to-point scan, and not
only do they support HART protocol communication, they also
support data collection of 4…20 mA. You should set the HART
address as 0.
3. In the Address box, specify the communication address of the HART
equipment. The effective range is 0…15.
4. From the Command Num pull-down menu, choose the HART
commands to be sent to the HART equipment. This table shows the
effective value of each HART command.
Effective values of HART commands
Effective Value HART Commands Effective Value
0 Read Unique Identifier
1 Read Primary Variable
2 Read P. V. Current And Percent Of Range
3 Read Dynamic Variable And P. V. Current
15 Read Transmitter Variables
33 Read Primary Variable Output Information