Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual User Manual
Page 66
Publication 1746-UM007C-EN-P - July 2004
5-14 Channel Configuration, Data, and Status
Bit(s)
Define
These bit settings
Indicate this
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0–3
Input type
0
0
0
0
Thermocouple Type J
0
0
0
1
Thermocouple Type K
0
0
1
0
Thermocouple Type T
0
0
1
1
Thermocouple Type E
0
1
0
0
Thermocouple Type R
0
1
0
1
Thermocouple Type S
0
1
1
0
Thermocouple Type B
0
1
1
1
Thermocouple Type N
1
0
0
0
50 mV
1
0
0
1
100 mV
1
0
1
0
Invalid
1
0
1
1
Invalid
1
1
0
0
Invalid
1
1
0
1
Invalid
1
1
1
0
Invalid
1
1
1
1
CJC temperature
4 and 5
Data type 1
0
0
Engineering units x 1
(2)
0
1
Engineering units x 10
1
0
Scaled–for–PID
1
1
Proportional Counts
6 and 7
Open circuit type
0
0
Zero
0
1
Upscale
1
0
Downscale
1
1
Invalid
8
Temperature units
type
(1)
0
Degrees C
1
Degrees F
9 and 10
Channel filter
frequency
0
0
10 Hz
0
1
50 Hz
1
0
60 Hz
1
1
250 Hz
11
Channel status
0
Channel Disabled
1
Channel Enabled
12
Open–circuit error
0
No error
1
Open circuit detected
13
Under–range error
0
No error
1
Under–range condition
14
Over–range error
0
No error
1
Over–range condition
15
Configuration error
0
No error
1
Configuration error
(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.