Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD/mV Input Module User Manual User Manual
Page 49
Publication 1797-6.5.2 - February 2001
Input, Status, Output and Configuration Files for the Thermocouple/RTD/mV Module on the ControlNet Network 4-11
Configuration
Word 1
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°C)
0
0
1
0
200 ohm Pt
α
= 0.00385 Euro (–200 to +400°C)
0
0
1
1
100 ohm Pt
α
= 0.003916 U.S. (–200 to +630°C)
0
1
0
0
200 ohm Pt
α
= 0.003916 U.S. (–200 to +400°C)
0
1
0
1
100 ohm Nickel (–60 to +250°C)
0
1
1
0
200 ohm Nickel (–60 to +200°C)
0
1
1
1
120 ohm Nickel (–80 to +320°C)
1
0
0
0
10 ohm Copper (–200 to +260°C)
1001 through 1111 not used
Bits 00-03
Thermocouple Type
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°C
(572 to 3272°F)
0
0
1
0
E
–270 to 1000°C
(–454 to 1832°F)
0
0
1
1
J
–210 to 1200°C
(–346 to 2192°F)
0
1
0
0
K
–270 to 1372°C
(–454 to 2502°F)
0
1
0
1
L
–200 to 800°C
(–328 to 1472°F)
0
1
1
0
N
–270 to 1300°C
(–450 to 2372°F)
0
1
1
1
R
–50 to 1768°C
(–58 to 3214°F)
1
0
0
0
S
–50 to 1768°C
(–58 to 3214°F)
1
0
0
1
T
–270 to 400°C
(–454 to 752°F)
1010 through 1111 not used
Configuration
Word
Dec. Bits
(Octal Bits)
Description