Universal Commands; Hart-Command 0 : Read Transmitter Unique Identifier; Hart-Command 1 : Read Primary Variable; Hart-Command 2 : Read Current And Percent Of Range - ABB Industrial IT enable FXT4000 COPA-XT Schnittstellenbeschreibung

3 Universal Commands

3.1 HART-Command 0 : Read Transmitter Unique Identifier

Request none
Data Bytes
Response
Data Bytes
#10
#11
Response
Codes

3.2 HART-Command 1 : Read Primary Variable

Request none
Data Bytes
Response
Data Bytes #1..#4
Response
Codes
Bemerkung

3.3 HART-Command 2 : Read Current and Percent of Range

Request none
Data Bytes
Response #0..#3
Data Bytes #4..#7
Response
Codes
8
#0 Device Type Code for Expansion
#1 Manufacturer Identification Code
#2 Manufacturer Device Type
#3
Number of Request Preambles
#4 Revision Level of Universal Command
#5 Revision Level of Transmitter Document
#6 Software Revision Level
#7 Hardware Revision Level
#8 Flags, none defined at this time
#9 Device Identification Number, 24 Bit, MSB
Device Identification Number, 24 Bit
Device Identification Number, 24 Bit, LSB
0 No Command Specific Error
5 Incorrect Byte Count
#0 Primary Variable Unit Code (Table 2)
Primary Variable, IEEE 754
0 No Command Specific Error
5 Incorrect Byte Count
Primary Variable => Durchfluss
Analog Output Current mA, IEEE 754
Percent of Range, IEEE 754
0 No Command Specific Error
5 Incorrect Byte Count
Revision
= 254
= 18 = ABB-
Fischer&Porter
= 9 = DT4000
= 8
= 5
= 0
= 1
= 0 oder 1
= 0
= 0
= MSB Gerätenummer
= LSB Gerätenummer
Revision
Revision