HORNER HE693THM166, Руководство по установке

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MAN0090-05 06 December 2004 PAGE 3
3
Table 2 – Configuration Parameters
Byte %AI
Size %I
Size
1 2 3 4 5
0:0.5
°
C
00: J 03: T 06: S
01: K 04: E 07: B
08: C
16 16 1
(see
chart)
1:0.5
°
F
0
02: N 05: R
09: X
Byte 2 sets digital filtering, Byte 3 sets temperature units, and Byte 5 sets the thermocouple type.
The effect of digital filtering (set with Byte 2) on module response to a temperature change. (% temp
change completed vs. time).
Table 3 – Temperature Scaling
Byte 3 Formula
0
°
C = %AI / 2
1
°
F = %AI / 2
Temperature values are written to the %AI registers in 0.5°C or 0.5°F increments, depending upon the
value of Byte 3.
0
10
20
30
40
50
60
70
80
90
100
0 2 0 0 0 4 0 0 0 6 0 0 0 8000
% Temperature Change Completed
Response Time (Milliseconds)
Figure 4 - Digital Filtering