2–26
How Communication Takes Place and I/O Image Table Mapping
Publication 17946.5.5 - October 1996
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 -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 -71 to 1372
o
C (-95 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 -73 to 400
o
C
(-99 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
Reserved
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)