Channel configuration – Rockwell Automation 1769-IT6 Compact I/O 1769-IT6 Thermocouple/mV Input Module User Manual
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Rockwell Automation Publication 1769-UM004B-EN-P - March 2010
Chapter 4 Module Data, Status, and Channel Configuration
Channel Configuration
Each channel configuration word consists of bit fields, the settings of which
determine how the channel operates. See this table and the descriptions that
follow for valid configuration settings and their meanings.
To select
Make these bit settings
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Filter frequency 10 Hz
No
t use
d
(1
)
1
1
0
60 Hz
0
0
0
50 Hz
0
0
1
250Hz
0
1
1
500 Hz
1
0
0
1 kHz
1
0
1
Open circuit
Upscale
0
0
Downscale
0
1
Hold last state
1
0
Zero
1
1
Temperature
units
°C
0
°F
1
Input type
Thermocouple J
0
0
0
0
Thermocouple K
0
0
0
1
Thermocouple T
0
0
1
0
Thermocouple E
0
0
1
1
Thermocouple R
0
1
0
0
Thermocouple S
0
1
0
1
Thermocouple B
0
1
1
0
Thermocouple N
0
1
1
1
Thermocouple C
1
0
0
0
-50…50 mV
1
0
0
1
-100…100 mV
1
0
1
0
Data format
Raw/proportional
0
0
0
Engineering units
0
0
1
Engineering units x 10
1
0
0
Scaled-for-PID
0
1
0
Percent range
0
1
1
Enable channel Disable
0
Enable
1
(1) An attempt to write any non-valid (spare) bit configuration into any selection field results in a module configuration error.
TIP
Default settings for a particular function are indicated by zeros.
For example, the default filter frequency is 60 Hz.