Owner's manual
3-6 MicroLogix™ 1200 IO Universal Input Module
User'sManualPub.0300243‐02Rev.B
To Select
Make these bit settings
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
604 NiFe 518 1 1 1 0 0
150 ohm 1 1 1 0 1
1000 ohm 1 1 1 1 0
3000 ohm 1 1 1 1 1
Data
Format
6
Engineering
Units X1
0 0
Engineering
Units X10
0 1
Raw/
Proportional Data
1 0
Scaled for PID 1 1
CJC Temp
Type
7
(Only when
bit 3 is set)
Raw CJC Temp x
8
0
Adjusted CJC Temp
x
8
1
2/3/4 Wire
RTD
(Only valid for
RTD/R ranges)
2 Wire 0 0
3 Wire w/ Comp 0 1
3 Wire w/o Comp 1 0
4 Wire 1 1
Temperature
Scale
(Only valid for
temperature ranges)
Deg C 0
Deg F 1
Table 3-3 lists the number of counts for each of the supported data ranges.
Note: The engineering unit data formats represent real engineering
temperature units provided by the module to the controller. The
raw/proportional counts, scaled-for-PID and percent of full-scale data
formats may yield the highest effective resolutions, but may also require
that you convert channel data to real engineering units in your control
program.
Table 3-3 (Data Ranges)
Input Type Range Eng. Units Eng Units X10 Raw/Prop PID
B Type Thermocouple
300 to 1820 ˚C
(572 to 3308 ˚F)
3000 to 18200
(5720 to 32767)
9
300 to 1820
(572 to 3308)
-32768 to 32767 0 to 16383
C Type Thermocouple
0 to 2315 ˚C
(32 to 4199 ˚F)
0 to 23150
(320 to 32767)
9
0 to 2315
(32 to 4199)
-32768 to 32767 0 to 16383
E Type Thermocouple
-270 to 1000 ˚C
(-454 to 1832 ˚F)
-2700 to 10000
(-4540 to 18320)
-270 to 1000
(-454 to 1832)
-32768 to 32767 0 to 16383
J Type Thermocouple
-210 to 1200 ˚C
(-346 to 2192 ˚F)
-2100 to 12000
(-3460 to 21920)
-210 to 1200
(-346 to 2192)
-32768 to 32767 0 to 16383
K Type Thermocouple -270 to 1370 ˚C -2700 to 13700 -270 to 1370 -32768 to 32767 0 to 16383
6
Refer Table 3-3 for data ranges.
7
Raw CJC Temp = All 8 channels will display the current CJC sensor temperature.
Adjusted CJC Temp = Each channel will display it’s adjusted CJC temperature.
8
X = don’t care
9
When configured for Fahrenheit, the maximum temperature that can be displayed by the Engineering X1
data format is 32767 or 3276.7 ˚F. If you need to read temperatures above 3276.7 ˚F, use the
Engineering X10 data format.