Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual
Page 54
2–34
How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
Description
Dec. Bits
(Octal Bits)
Word
Write Word 2
Bits 00-03
Sensor Type (Thermocouple or RTD)
RTD Type
Bit 03 02 01 00
Sensor type for channels 0 through 3
0
0
0 0
Resistance (default)
0
0
0 1
100 ohm Pt
α
= 0.00385 Euro (-200 to +870
o
C)
0
0
1 0
200 ohm Pt
α
= 0.00385 Euro (-200 to +400
o
C)
0
0
1 1
100 ohm Pt
α
= 0.003916 U.S. (-200 to +630
o
C)
0
1
0 0
200 ohm Pt
α
= 0.003916 U.S. (-200 to +400
o
C)
0
1
0 1
100 ohm Nickel (-60 to +250
o
C)
0
1
1 0
200 ohm Nickel (-60 to +200
o
C)
0
1
1 1
120 ohm Nickel (-80 to +320
o
C)
1
0
0 0
10 ohm Copper (-200 to +260
o
C)
1001 through 1111 not used
Write Word 2
Continued
Bits 00-03
Thermocouple Type
Continued
Bit 03 02 01 00
Sensor type for channels 0 through 3
0
0
0 0
mV (default)
0
0
0 1
B
300 to 1800
o
C (572 to 3272
o
F)
0
0
1 0
E
-270 to 1000
o
C (-454 to 1832
o
F)
0
0
1 1
J
-210 to 1200
o
C (-346 to 2192
o
F)
0
1
0 0
K
-270 to 1372
o
C (-454 to 2502
o
F)
0
1
0 1
TXK/XK(L) Ć200 to 800
o
C
(Ć328 to 1472
o
F)
0
1
1 0
N
-270 to 1300
o
C (-450 to 2372
o
F)
0
1
1 1
R
-50 to 1768
o
C (-58 to 3214
o
F)
1
0
0 0
S
-50 to 1768
o
C (-58 to 3214
o
F)
1
0
0 1
T
-270 to 400
o
C (-454 to 752
o
F)
1010 through 1111 not used