Device Functions Proline Promass 83 MODBUS RS485 10 Block SPECIAL FUNCTION
Endress+Hauser 153
10.3.4 Function group DENSITY
SPECIAL FUNCTION H → DENSITY FUNCTIONS HAA
→
BATCHING FUNCTION HCA
→
ADVANCED DIAGNOSTICS HEA → CONFIGURATION 740
→
ACQUISITION 741
→
MASS FLOW 742
→
DENSITY 743
Function description
SPECIAL FUNCTION → ADVANCED DIAGNOSTICS → DENSITY
! Note!
The appropriate unit is taken from the function UNIT DENSITY (0420), (see Page 18).
REFERENCE VALUE
MODBUS register:
Data type:
Access:
7430
See Note
Float
read
The reference value for the density appears on the display.
Display: 5-digit floating-point number, including units
! Note for MODBUS!
Depends on the option selected in the function SELECT REFERENCE
CONDITION:
•Option = FACTORY → MODBUS register = 6537
•Option = USER → MODBUS register = 6539
ACTUAL VALUE
MODBUS register:
Data type:
Access:
7431
6541
Float
read
The measured density appears on the display.
Display: 5-digit floating-point number, including units
MINIMUM VALUE
MODBUS register:
Data type:
Access:
7432
6543
Float
read
The lowest density value since the saved values were last reset appears on the
display.
Display: 5-digit floating-point number, including units
MAXIMUM VALUE
MODBUS register:
Data type:
Access:
7433
6545
Float
read
The highest density value since the saved values were last reset appears on the
display.
Display: 5-digit floating-point number, including units
HISTORY DENSITY
MODBUS register:
Data type:
Access:
7434
See Note
Float
read
The last ten density values since the saved values were last reset appear on the
display.
Display: 5-digit floating-point number, including units
! Note for MODBUS!
The various histories are available via the following MOBBUS registers:
• History 1 = MODBUS register 6547
• History 2 = MODBUS register 6549
• History 3 = MODBUS register 6551
• History 4 = MODBUS register 6553
• History 5 = MODBUS register 6555
• History 6 = MODBUS register 6557
• History 7 = MODBUS register 6559
• History 8 = MODBUS register 6561
• History 9 = MODBUS register 6563
• History 10 = MODBUS register 6565