Allen-Bradley 1794-IT8, User Manual

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4–7 Writing Configuration to and Reading Status from your Module with a Remote I/O Adapter
Publication 1794-6.5.7 – April 1997
Description
Decimal Bit
(Octal Bit)
Word
Write Word 1
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 2
00–03 (00–03) Channel 4 Thermocouple Type (see write word 1, bits 00–03)
04–07 (04–07) Channel 5 Thermocouple Type (see write word 1, bits 00–03)
08–11 (10–13) Channel 6 Thermocouple Type (see write word 1, bits 00–03)
12–15 (14–17) Channel 7 Thermocouple Type (see write word 1, bits 00–03)
In this chapter, you learned how to configure your module’s features
and enter your data.
Chapter Summary