User Manual

<Appendix 1. Function Block Parameters>
A-17
IM 21B04C01-01E
Relative
Index
Index
Parameter
Name
Valid
Range
Default
(factory
setting)
Write Description
14 17514 IN 0 Input block
15 17515 IN_LO 0 Input for a low-range transmitter.
This is used for the range extension function.
16 17516 IN_1 0 Auxiliary input 1
17 17517 IN_2 0 Auxiliary input 2
18 17518 IN_3 0 Auxiliary input 3
19 17519 RANGE_HI 0 High limit for switching to a high-range transmitter by the
range extension function.
20 17520 RANGE_LO 0 Low limit for switching to a low-range transmitter by the
range extension function.
21 17521 BIAS_IN_1 0 IN_1 bias
22 17522 GAIN_IN_1 0 IN_1 gain
23 17523 BIAS_IN_2 0 IN_2 bias
24 17524 GAIN_IN_2 0 IN_2 gain
25 17525 BIAS_IN_3 0 IN_3 bias
26 17526 GAIN_IN_3 0 IN_3 gain
27 17527 COMP_HI_
LIM
+INF High limit of compensation factor f
28 17528 COMP_LO_
LIM
-INF Low limit of compensation factor f
29 17529 ARITH_
TYPE
1 to 10 0x01 Computation algorithm identication number.
Value Selection Name Description
1 Flow compensation,
linear
Flow compensation
(linear)
2 Flow compensation,
square root
Flow compensation
(square root)
3 Flow compensation,
approximate
Flow compensation
(approximate
expression)
4 BTU ow (*) Quantity of heat
calculation
5 Traditional Multiply
Divide
Multiplication and
division
6 Average Average calculation
7 Traditional summer Summation
8 Fourth order
Polynomial, Type 1
4th-order (auxiliary
input) polynomial
computation
9 HTG level
compensation (*)
HTG level
compensation
10 Fourth order
Polynomial ,Type 2
4th-order (main
input) polynomial
computation
* BTU stand for British thermal value
HTG stands for hydrostatic tank gauging
30 17530 BAL_TIME More than
0
0 Time taken to return to the set value
31 17531 BIAS 0 Bias value used to calculate the output
32 17532 GAIN 1 Gain value used to calculate the output
33 17533 OUT_HI_
LIM
+INF Maximum output value
34 17534 OUT_LO_
LIM
-INF Minimum output value
35 17535 UPDATE_
EVT
Indicate event information if an update (setting change)
occurs.
36 17536 BLOCK_
ALM
Indicates alarm information if a block alarm occurs.