Rockwell Automation 1746-INT4 Thermocouple/MV Isolated/ User Manual User Manual
Page 72

Publication 1746-UM614B-EN-P - September 2007
72 Application Programming Examples
Configuration Word
address 15 data 0 address 15 data 0
N10:0 0000 1001 0001 0000
11
12
13
14
15
8
6
7
4
1
2
3
0
0
1
0
0
0
0
1
0
0
0
1
0
0
0
0
9
10
5
0
15
] [
S:1
MOVE
Source
N10:0
Dest
O:3.0
MOV
TO BCD
Source
I:3.0
Dest
N7:0
TOD
MASKED MOVE
Source
N7:0
Mask
0FFF
Dest
O:2.0
MVM
*
END
Example Configuration Word with These Parameters:
channel enabled, °F, zero for open-circuit, EU x10, Type J thermocouple
Not Used
Channel
Enable
0 = Disable
1 = Enable
Not Used
Temp
Units
0 = °C
1 = °F
Response to
Open-circuit
0 0 = zero
0 1 = FS
1 0 = LS
Data
Format
0 0 = EU x1
0 1 = EU x10
1 0 = Scaled PID
1 1 = Prop Counts
Type
of Input
0 0 0 0 = Type J
0 0 0 1 = Type K
0 0 1 0 = Type T
0 0 1 1 = Type E
0 1 0 0 = Type R
0 1 0 1 = Type S
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
First Pass Bit
Rung 2.0
Rung 2.1
Convert the channel 0 data word (° F) to BCD and write this to the LED indicator display.
Initialize Channel 0
Program
The use of the masked move instruction with the 0FF mask lets you use outputs 12, 13, 14 and 15 for other
output devices in your system. The seven segment display uses outputs 0 …11.
Rung 2.2
Data Table
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