Channel configuration worksheet – Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual User Manual
Page 108
Publication 1746-UM007C-EN-P - July 2004
B-4 NT4 Configuration Worksheet
Channel Configuration
Worksheet
Input Type Select
Data Format Select
Open Circuit Select
Temperature Units Select
Filter Frequency Select
Channel Enable
Not Used
Channel 0
Channel 1
Channel 2
Channel 3
11
0
0
0
0
9
10
8
6
7
4
5
0
1
2
3
0
0
0
0
0
0
0
0
0
0
0
0
Bit Number
15
12
13
14
Bit Definitions:
Description
Specification
Bits 0-3
Input Type Select
0000 = J
0001 = K
0010 = T
0011 = E
0100 = R
0101 = S
0110 = B
0111 = N
1000 = ±50 mV
1001 = ±100 mV
1111 = CJC temperature
Bits 4 and 5
Data Format Select
00 = engineering units, x1 (0.1°/step,
0.01 mV/step)
01 = engineering units, x10 (1°/step,
0.1 mV/step)
10 = scaled-for-PID (0 to 16383)
11 = proportional counts (-32768 to
+32767)
Bits 6 and 7
Open Circuit Select
00 = zero
01 = upscale
10 = downscale
Bit 8
Temperature Units
Select
0 = degrees Celsius
1 = degrees Fahrenheit
Bits 9 and 10
Filter Frequency Select
00 = 10 Hz
01 = 50 Hz
10 = 60 Hz
11 = 250 Hz
Bit 11
Channel Enable
0 = channel disabled
1 = channel enabled
Bits 12-15
Not Used
0000 = always make this setting