<Appendix 3. Arithmetic (Ar) Block>
265
IM 01E21A02-03EN
Relative
Index
Parameter Name
Write
mode
Valid
Range
Default
Value
Description / Remarks
29 AR IT H_TY PE 1 to 10 0x01
Computationalgorithmidenticationno.
Value Selection Name Description
1
Flow compensation,
linear
Flow rate
compensation
(linear)
2
Flow compensation,
square root
Flow rate
compensation
(squareroot)
3
Flow compensation,
approximate
Flow rate
compensation
(approximate
formula)
4 BTUow(*)
Calorie
calculation
5
Traditional Multiply
Divide
Multiplication
and division
6 Average
Average
calculation
7 Traditional summer Summation
8
Fourth order
Polynomial, Type1
4th-order
(auxiliaryinput)
polynomial
9
HTG level
compensation(*)
HTG level
compensation
10
Fourth order
Polynomial, Type2
4th-order
(maininput)
polynomial
computation
* BTU stands for British thermal unit.
HTG stands for hydrostatic tank gauging.
30 BAL_TIME
More
than 0
0 Time taken to return to the set value
31 BIAS 0 Bias value used to calculate the output
32 GAIN 1 Gain value used to calculate the output
33 OUT_HI_LIM +INF Maximum output value
34 OUT_LO_LIM -INF Minimum output value
35 UPDATE_EVT
Indicates contents of the event when an update
event(achangetothesetpoint)occurs.
36 BLOCK_ALM
Indicates contents of the alarm when a block alarm
occurs.