Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual User Manual
Page 56
Publication 1746-UM007C-EN-P - July 2004
5-4 Channel Configuration, Data, and Status
Bit(s)
Define
To Select
Make these bit settings in the Channel Configuration Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0-3
Input type
Thermocouple Type J
0
0
0
0
Thermocouple Type K
0
0
0
1
Thermocouple Type T
0
0
1
0
Thermocouple Type E
0
0
1
1
Thermocouple Type R
0
1
0
0
Thermocouple Type S
0
1
0
1
Thermocouple Type B
0
1
1
0
Thermocouple Type N
0
1
1
1
50mV
1
0
0
0
100mV
1
0
0
1
Invalid
1
0
1
0
Invalid
1
0
1
1
Invalid
1
1
0
0
Invalid
1
1
0
1
Invalid
1
1
1
0
CJC temperature
1
1
1
1
4 and 5
Data format
Engineering units x 1
(2)
0
0
Engineering units x 10
0
1
Scaled–for–PID
1
0
Proportional Counts
1
1
6 and 7
Open circuit
Zero
0
0
Upscale
0
1
Downscale
1
0
Invalid
1
1
8
Temp
(1)
Degrees C
0
Degrees F
1
9 and 10
Channel filter
frequency
10 Hz
0
0
50 Hz
0
1
60 Hz
1
0
250 Hz
1
1
11
Channel
enable
Channel Disabled
0
Channel Enabled
1
12-15
Unused
Unused
0
0
0
0
(1) When millivolt input type is selected, the bit setting for temperature units is ignored.
(2) For engineering units x1, values are expressed in 0.1 degrees or 0.01 mV. For engineering units x10, values are expressed in 1.0 degrees or 0.1 mV.