Sensor Types - Allen-Bradley 1794-IRT8 User Manual

4-2 Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter

Sensor Types

Allen-Bradley PLCs
Publication 1794-6.5.12 - November 1997
Individual input channels are configurable to operate with the following
sensor types:
RTD Type
Sensor type for channels 0 through 3
Sensor type for channels 4 through 7
Resistance (default)
100 ohm Pt a = 0.00385 Euro (–200 to +870°C)
200 ohm Pt a = 0.00385 Euro (–200 to +400°C)
100 ohm Pt a = 0.003916 U.S. (–200 to +630°C)
200 ohm Pt a = 0.003916 U.S. (–200 to +400°C)
100 ohm Nickel a = 0.00618 (–60 to +250°C)
200 ohm Nickel a = 0.00618 (–60 to +200°C)
120 ohm Nickel a = 0.00672 (–80 to +320°C)
10 ohm Copper a = 0.00427 (–200 to +260°C)
Thermocouple Type
Sensor type for channels 0 through 3
Sensor type for channels 4 through 7
mV (default)
B 300 to 1800°C
E –270 to 1000°C
J –210 to 1200°C
K –270 to 1372°C
L –200 to 800°C
N –270 to 1300°C
R –50 to 1768°C
S –50 to 1768°C
T –270 to 400°C
You select individual channel ranges using write word 1 of the block
transfer write instruction.
(572 to 3272°F)
(–454 to 1832°F)
(–346 to 2192°F)
(–454 to 2502°F)
(–328 to 1472°F)
(–450 to 2372°F)
(–58 to 3214°F)
(–58 to 3214°F)
(–454 to 752°F)