MVI56-HART ♦ ControlLogix Platform
Ladder Logic
HART Multi-drop Master Communication Module
User Manual
ProSoft Technology, Inc.
Page 53 of 171
October 13, 2011
Status Object (HARTStat)
This object stores the status data of the module. The HARTStat object (shown in the
following example) is updated each time a read block is received by the processor. Use
this data to monitor the state of the module at a "real-time" rate.
Name
Data Type
Description
Scan_Cnt
INT
Program Scan Counter
Product_Name
SINT[4]
Product Code
Rev_Level
SINT[4]
Revision
Op_Sys
SINT[4]
Operating system revision
Run_Number
SINT[4]
Run number
Blk_Rd_Count
INT
Number of block read transfers
Blk_Wr_Count
INT
Number of block write transfers
Blk_Parse_Cnt
INT
Number of blocks parsed by module
Blk_Resv
INT
Reserved
Blk_Cmd
INT
Number of command enable/disable blocks
Blk_Err
INT
Number of block errors
ChStat
HARTCHStat[4]
Channel Status Data
Within the HARTStat objects are objects containing the status information for each
application port (HARTCHStat). Refer to Status Data Area and Error Codes for a
complete listing of the data stored in this object.
Channel Status Object (HARTCHStat)
The HARTCHStat object holds the status data related to a single HART master port. The
following table describes the structure of the object.
Name
Data Type
Description
State
INT
State machine value
Comm_State
INT
Comm port state machine value
Dev_stat
INT
Device bits (OK/Err)
Dev_in_poll
INT
Device bits for poll list
Dev_long
INT
Device bits for long address
Cur_cmd
INT
Current command list index
Cmd_req
INT
Number of command requests issued
Cmd_resp
INT
Number of command responses received
Cfg_Err
INT
Configuration Error Word for channel
CurErr
INT
Current error code for channel
LastErr
INT
Last error for channel
This information is passed to the controller from the module with each normal read block
image.
