Rockwell Automation AB quality Allen-Bradley 1746-INT4 User Manual page 74

Thermocouple/mv isolated input module
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74
Application Programming Examples
15
14
13
12
Not Used
Channel
Enable
0 = Disable
1 = Enable
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Publication 1746-UM614B-EN-P - September 2007
Channel Configuration
All channels are configured for:
• display temperature to tenths of a degree.
• zero data word in the event of an open-circuit.
Configuration setup for ambient thermocouple:
• channel 0.
• type T thermocouple.
Configuration setup for bath thermocouple:
• channel 1.
• type J thermocouple.
Configuration setup for steam thermocouple:
• channel 2.
• type K thermocouple.
Configuration setup for chilled H
• channel 3.
• type J thermocouple.
Configuration setup for cabinet temperature:
• channel 0.
• CJC temperature.
Configuration Word
10
9
11
8
Not
Temp
Response to
Used
Units
Open-circuit
0 = °C
0 0 = zero
1 = °F
0 1 = FS
1 0 = LS
1
0
0
x
1
0
0
x
1
0
0
x
1
0
0
x
1
0
0
x
5
7
6
4
Data
Type
Format
of Input
0 0 = EU x1
0 0 0 0 = Type J
0 1 = EU x10
0 0 0 1 = Type K
1 0 = Scaled PID
0 0 1 0 = Type T
1 1 = Prop Counts
0 0 1 1 = Type E
0 1 0 0 = Type R
0 1 0 1 = Type S
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
O thermocouple:
2
0
3
2
1
0 1 1 0 = Type B
0 1 1 1 = Type N
1 0 0 0 = 0...100 mV
1 0 0 1 = ±100
1 0 1 0 = Type C
1 0 1 1 = Type D
1 1 1 1 = CJC Temp
0
1
0
Channel 0
Channel 1
0
0
0
0
0
1
Channel 2
0
0
0
Channel 3
1
1
1
Channel 3
(Ambient)
(Bath)
(Steam)
(Chilled H2O)
(Cabinet)

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