Data file – Rockwell Automation 1746-NI8 SLC 500 Analog Input Modules User Manual User Manual

Page 75

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8–10

Application Examples

Publication 1746Ć6.8 - April 1997

Scale w/Parameters
Input

I:1.4

0 <

Input Min.

3500
3500 <

Input Max.

20500
20500 <

Scaled Min.

6
6 <

Scaled Max.

120
120 <

Output

N7:4

0 <

SCP

0007

To BCD
Source

N7:4

0 <

Dest

O:4.0
0000h <

0008

TOD

Scale the data word from the level sensor.

Then convert the scaled data word to BCD

format and send the value to the LED display.

Less Than (A<B)
Source A

N7:4

0 <

Source B

12
12 <

0009

LES

( )

O:5.0

1

High Level

Warning Light

If the value of the level sensor is less than 12

inches, energize the High Level Warning Light.

Greater Than (A>B)
Source A

N7:4

0 <

Source B

110
110 <

0010

GRT

( )

O:5.0

0

Low Level

Warning Light

If the value of the level sensor is greater than 110

inches, energize the Low Level Warning Light.

END

0011

Data File

DATA FILE N10

Offset

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

N10:0

0

0

0

0

1

1

0

0

0

0

0

0

0

1

0

1

N10:1

0

0

0

0

1

1

0

0

0

0

0

0

0

1

0

1

N10:2

0

0

0

0

1

1

0

0

0

0

0

0

0

1

0

1

N10:3

0

0

0

0

1

1

0

0

0

0

0

0

0

1

0

1

N10:4

0

0

0

0

1

1

0

0

0

0

0

0

0

0

1

1

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