Modbus protocol, 8 process input parameters – KROHNE UFC 400 Modbus EN User Manual
Page 20
5
MODBUS PROTOCOL
20
UFC 400
www.krohne.com
05/2013 - 4002744801 - AD Modbus UFC 400 R01 en
5.8.8 Process Input Parameters
Modbus Function Codes "Read Holding Registers" (0x03) and "Write Multiple Registers" (0x10)
Holding
Register
Name
Type
No. of
registers
Units
Display
Fct. No.
41000
41000
41000
41000
(0xA028)
Flow Direction
Byte
1
0 = Normal
1 = Reverse
C1.3.2
41001
41001
41001
41001
(0xA029)
Linearization
Byte
1
0 = Off
1 = On
C1.7.1
41002
41002
41002
41002
(0xA02A)
Diagnostics 1 Selector
Integer
1
0 = Off
415 = Velocity Of Sound – Path 1
416 = Velocity Of Sound – Path 2
417 = Velocity Of Sound – Path 3
421 = Flow Speed – Path 1
422 = Flow Speed – Path 2
423 = Flow Speed – Path 3
C1.10.1
41003
41003
41003
41003
(0xA02B)
Diagnostics 2 Selector
Integer
1
0 = Off
402 = Gain – Path 1
403 = Gain – Path 2
404 = Gain – Path 3
409 = Signal Noise Ratio – Path 1
410 = Signal Noise Ratio – Path 2
411 = Signal Noise Ratio – Path 3
C1.10.2
41004
41004
41004
41004
(0xA02C)
Plausibility Counter Decrease
Integer
1
1...99
C1.4.2
41005
41005
41005
41005
(0xA02D)
Plausibility Counter Limit
Integer
1
0...999
C1.4.3
41502
41502
41502
41502
(0xA21E)
GK
Float
2
-
C1.2.2
41504
41504
41504
41504
(0xA220)
Limitation Min
Float
2
[m/s]
C1.3.1
41506
41506
41506
41506
(0xA222)
Limitation Max
Float
2
[m/s]
C1.3.1
41508
41508
41508
41508
(0xA224)
Time Constant
Float
2
[s]
C1.3.3
41510
41510
41510
41510
(0xA226)
Low Flow Cutoff Threshold
Float
2
[m/s]
C1.3.4
41512
41512
41512
41512
(0xA228)
Low Flow Cutoff Hysterese
Float
2
[m/s]
C1.3.4
41514
41514
41514
41514
(0xA22A)
Plausibility Error Limit
Float
2
[%]
C1.4.1
41516
41516
41516
41516
(0xA22C)
Dynamic Viscosity
Float
2
[kg/ms]
C1.7.2
41518
41518
41518
41518
(0xA22E)
Pipe Temperature
Float
2
[K]
C1.8
41520
41520
41520
41520
(0xA230)
Density
Float
2
[kg/m³]
C1.9