Thermocouple Type - Allen-Bradley 1794-IT8 Installation Instructions Manual

8 24V dc FLEX I/O Thermocouple/mV Input Module

Thermocouple Type

Word
Thermocouple Type – Range
Bit
Write
Word 1 Word 1
Bit
Bit
Bit
Bit
Write
Word 2 Word 2
Bit
Bit
Bit
Publication 1794-5.21 – May 1999
03 02 01 00
07 06 05 04
11 10 09 08
15 14 13 12
03 02 01 00
07 06 05 04
11 10 09 08
15 14 13 12
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
Description
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Millivolts (default)
o
B 300 to 1800 C
o
E –270 to 1000 C
o
J –210 to 1200 C
o
K –270 to 1372 C
o
R –50 to 1768 C
o
S –50 to 1768 C
o
T –270 to 400 C
o
C 0 to 2315 C
o
N –270 to 1300 C
TXK/XK (L) –200 to 800
Reserved
Module reports cold junction temperature for
channels 00–03
Module reports cold junction temperature for
channels 04–07
Reserved
No sensor connected (do not scan)
o
(572 to 3272 F)
o
(–454 to 1832 F)
o
(–346 to 2192 F)
o
(–454 to 2502 F)
o
(–58 to 3214 F)
o
(–58 to 3214 F)
o
(–454 to 752 F)
o
(32 to 4199 F)
o
(–454 to 2372 F)
o o
C (–328 to 1472 F)