Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual - Manual (Page 118)

Publication 1746-UM008B-EN-P - December 2006
118 Specifications
Physical Specifications
LED indicators 5 green status indicators, one for each of 4
channels and one for module status
Module ID code 3513
Max termination wire size
Two 2.5 mm
2
(14 AWG) wire per terminal
Max cable impedance 25 Ω max impedance for three-wire RTD
configuration (see Cable Specifications)
Terminal block Removable, Allen-Bradley spare part
Catalog Number 1746-RT25G
Module Environmental Specifications
Temperature, operating 0…60 °C (32…140 °F)
Temperature, storage -40…85 °C (-40…185 °F)
Relative humidity 5% … 95% (without condensation)
Hazardous environment classification Class I, Division 2 Hazardous Environment
Agency certification
(when product or packaging is marked)
• UL and CSA Class I, Division 2 Groups A,
B, C, D certified
• CE compliant for all applicable
directives
Input Specifications
RTD types Platinum, nickel, nickel iron, copper
Temperature scale (selectable) °C or °F and 0.1 °C or 0.1 °F
Resistance scale (selectable) 1 Ω or 0.1 Ω for all resistance ranges;
or 0.1 Ω or 0.01 Ω for 150 Ω potentiometer.
Input step response See channel step response, page 54.
Input resolution and repeatability See RTD and resistance device
compatibility tables on page 13.
Display resolution See Channel Data Word Resolution table on
page 74.
Module update time See chapter 4, Update Time, page 58.
Channel turn-on time Requires up to one module update time plus
one of the following:
• 250 Hz Filter = 388 ms
• 60 Hz Filter = 1,300 ms
• 50 Hz Filter = 1,540 ms
• 10 Hz Filter = 7,300 ms