Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules - Manual (Page 9)

Publication 1794-UM065B-EN-E - September 2010
Table of Contents iii
HART Command 3 Communication Status (8 of 1 bits): . . . . . . . 53
HART Field Device Command and Communication
Status (8 of 8 bits) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
HART Field Device Status (8 of 8 bits) . . . . . . . . . . . . . . . . . . . . . 54
HART Loop Status (8 of 8 bits):. . . . . . . . . . . . . . . . . . . . . . . . . . . 55
HART PV Status (8 of 8 bits): . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Primary HART Variable (8 of 32 bits):. . . . . . . . . . . . . . . . . . . . . . 56
Secondary HART Variable (8 of 32 bits):. . . . . . . . . . . . . . . . . . . . 56
Third HART Variable (8 of 32 bits):. . . . . . . . . . . . . . . . . . . . . . . . 56
Fourth HART Variable (8 of 32 bits): . . . . . . . . . . . . . . . . . . . . . . 56
Primary HART Variable Units Code (8 of 8 bits):. . . . . . . . . . . . . 56
Secondary HART Variable Units Code (8 of 8 bits):. . . . . . . . . . . 56
Third HART Variable Units Code (8 of 8 bits):. . . . . . . . . . . . . . . 57
Fourth HART Variable Units Code (8 of 8 bits): . . . . . . . . . . . . . 57
Interpret the Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Module Configuration for the 1794-OF8IH. . . . . . . . . . . . . . . . . . . . . 57
Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Analog Output Module (1794-OF8IH) . . . . . . . . . . . . . . . . . . . . . 59
Byte Order (2 of 2 bits) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Fault Mode (8 of 1 bit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Bus Communications and Module Fault Mode (1 of 1 bit). . . . . . 64
HART Disable Channel 0 to 7 (8 of 1 bit) . . . . . . . . . . . . . . . . . . . 65
HART Current Fault Limit (8 of 5 bits) . . . . . . . . . . . . . . . . . . . . . 65
Analog Data Format (8 of 4 bits each) . . . . . . . . . . . . . . . . . . . . . . 65
Latch Mode (8 of 1 bit each). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Analog/Digital Output Mode (8 of 1 bit each) . . . . . . . . . . . . . . . 67
Analog Mode Fault State (8 of 2 bits each) . . . . . . . . . . . . . . . . . . 68
Analog Mode Channel Fault State Value (8 of 16 bits each) . . . . . 68
Digital Mode Fault State (8 of 1 bit each). . . . . . . . . . . . . . . . . . . . 69
Command 3 Disable (8 of 1 bit) . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Real Time Data (RTD) Profile, Status Parameters . . . . . . . . . . . . . . . . 70
Fault Alarm (8 of 1 bit each) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Diagnostic Data (1 of 8 bits) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
HART Status Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
HART Current Fault (8 of 1 bit each) . . . . . . . . . . . . . . . . . . . . . . 73
HART Transmitter List (8 of 1 bit each) . . . . . . . . . . . . . . . . . . . . 73
Real Time Data (RTD) Profile, Output Parameters. . . . . . . . . . . . . . . 73
Analog Output Data (8 of 16 bits each) . . . . . . . . . . . . . . . . . . . . . 73
Digital Output Data (8 of 1 bit each) . . . . . . . . . . . . . . . . . . . . . . . 73
Global Reset (1 of 1 bit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Fault (1 of 1 bit) and Run/Prog (1 of 1 bit) . . . . . . . . . . . . . . . . . . 74
Secondary Input Data Table, Cyclic EDT Input Data. . . . . . . . . . . . . 75
Secondary Data Table Section Created by the Adapter . . . . . . . . . 75
HART Command 3 Communication Status (8 of 1 bits) . . . . . . . 75