Honeywell FlexLine SmartServo 954, Руководство по обслуживанию

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COMMISSIONING
130 Service Manual Part No.: 4417340 Revision 1
954 SmartServo FlexLine
• MRT (see Figure 7-20 )
Name Explanation Value Range Default
[Element type]
See TABLE below. 3 characters
<RCB>
<RCN>
<RCS>
<QCB>
<QCN>
<QCS>
<--->
[Number of elements] The number of elements
(resistors) an MRT probe
has <1 .. 14> <0>
[Lowest element offset]
The distance from tank zero
till the lowest position of the
MRT probe floating point number:
<-x.x .. +x.x>
<80.0>
[MRT element length] if MRT
length table = <T>
The lengths of the MRTs
including anchor eye
14 floating point numbers:
<-x.x .. +x.x>
<0,0,0,0,0,0,0,0,0,0,0,0,0,0>
[MRT length table] Specifies whether a fixed
range of MRT resistors is
used (=
<F> ) or user-
configured lengths (=
<T>
).
Fixed lengths are:
0.25 / 0.65 / 1.25 / 1.95 /
2.85 / 4.15 / 5.65 / 7.35 /
9.25 / 11.65 / 14.65 /
18.45 / 22.95 / 29.65
1 character
<F>
<T>
<F>
R.. = an MRT
without
spot element
Q.. = an MRT
with
spot element
.CB Rth = 90.2935 + T x 0.38826 (- 100 t 280 °C)
.CN Rth = 90.4778 + T x 0.38090 (- 100 t 280 °C)
.CS Rth = 90.5000 + T x 0.38730 (- 100 t 280 °C)
Table 7-7 Element type definitions