User guide

3-6 MicroLogix™ 1200 Analog Combo Module (4Ch IN / 4Ch Out)
User’s Manual Pub. 0300247-01 Rev. C
3.4.4 Input Channel Configuration (Channels 6 and 7)
Channels 6 and 7 can be configured for current or voltage, including thermocouple
inputs. The following table describes the configuration options for channels 6 and 7.
Table 3-5 (Configuration for Input channels 6 and 7)
To Select Make these bit settings
7 6 5 4 3 2 1 0
Filter Frequency
(Ignored if Display
CJC)
17 Hz
0 0
4 Hz
0 1
62 Hz
1 0
470 Hz
1 1
Data Format
Engineering Units X1
0 0
Engineering Units X10
0 1
Raw/Proportional Data
1 0
Scaled for PID
1 1
Input Type
4 to 20 mA
0 0 0 0
0 to 20 mA
0 0 0 1
-10 to 10 V
0 0 1 0
0 to 10 V
0 0 1 1
1 to 5 V
0 1 0 0
0 to 5 V
0 1 0 1
Type J TC
0 1 1 0
Type K TC
0 1 1 1
Type E TC
1 0 0 0
Type T TC
1 0 0 1
Type J TC CJC Disabled
1 0 1 0
Type K TC CJC Disabled
1 0 1 1
Type E TC CJC Disabled
1 1 0 0
Type T TC CJC Disabled
1 1 0 1
Display CJC channel temp
1 1 1 0
Channel Disabled
1 1 1 1
Table 3-6 lists the number of counts for each of the supported input channel 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 3-6 (Input Channel Data Ranges)
Input Range Input Value Condition EU x1 EU x10 Raw Prop PID
J Thermocouple 1200.00 deg C High Limit 12000 1200 32767 16383
1200.00 deg C High Range 12000 1200 32767 16383
-180.00 deg C Low Range -1800 -180 -32768 0
-180.00 deg C Low Limit -1800 -180 -32768 0
K Thermocouple 1370.00 deg C High Limit 13700 1370 32767 16383
1370.00 deg C High Range 13700 1370 32767 16383
-200.00 deg C Low Range -2000 -200 -32768 0
-200.00 deg C Low Limit -2000 -200 -32768 0