Rockwell Automation 1794-IT8,D17946.5.7 Thermocouple/Millivolt Input Module User Manual
Page 40
5–6
How Communication Takes Place and I/O Image Table Mapping with the DeviceNet Adapter
Publication 1794-6.5.7 – April 1997
Description
Decimal Bit
(Octal Bit)
Word
Write Word 2
00–03 (00–03)
Channel 0 Thermocouple Type
Bit
03
02
01
00
Thermocouple Type – Range
0
0
0
0
Millivolts (default)
0
0
0
1
B
300 to 1800
o
C
(572 to 3272
o
F)
0
0
1
0
E
–230 to 1000
o
C (–382 to 1832
o
F)
0
0
1
1
J
–195 to 1200
o
C (–319 to 2192
o
F)
0
1
0
0
K
–230 to 1372
o
C (–382 to 2502
o
F)
0
1
0
1
R
–50 to 1768
o
C
(–58 to 3214
o
F)
0
1
1
0
S
–50 to 1768
o
C
(–58 to 3214
o
F)
0
1
1
1
T
–195 to 400
o
C
(–319 to 752
o
F)
1
0
0
0
C
0 to 2315
o
C
(32 to 4199
o
F)
1
0
0
1
N
–270 to 1300
o
C (–450 to 2372
o
F)
1
0
1
0
L
-175 to 800
o
C
(-283 to 1472
o
F)
1
0
1
1
Reserved
1
1
0
0
Module reports cold junction temperature for channels 00–03
1
1
0
1
Module reports cold junction temperature for channels 04–07
1
1
1
0
Reserved
1
1
1
1
No sensor connected (do not scan)
04–07 (04–07)
Channel 1 Thermocouple Type (see bits 00–03)
08–11 (10–13)
Channel 2 Thermocouple Type (see bits 00–03)
12–15 (14–17)
Channel 3 Thermocouple Type (see bits 00–03)
Write Word 3
00–03 (00–03)
Channel 4 Thermocouple Type (see write word 2, bits 00–03)
04–07 (04–07)
Channel 5 Thermocouple Type (see write word 2, bits 00–03)
08–11 (10–13)
Channel 6 Thermocouple Type (see write word 2, bits 00–03)
12–15 (14–17)
Channel 7 Thermocouple Type (see write word 2, bits 00–03)