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Test i/o, Digital input testing – Watlow 8LS Controller User Manual

Page 81

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Setup

8LS User’s Guide 73

Test I/O

The Test I/O main menu lets you view menus which can help you test
the digital inputs and the digital outputs.

The main menu looks like this:

Answering Yes to this prompt gets you into the I/O test submenus.
Below is the menu tree. Notice the default values in the boxes.

Digital Input Testing

Use this view-only menu to see the logic state of the 12 digital inputs as
1’s (High) or 0’s (Low). the menu displays inputs 1 through 12.

1

2

3

4

5

6

7

8

LOOP

PROCESS

UNITS

ALARM

SETPOINT

STATUS OUTPUT%

TEST

I/O ?

Test
I/O?

Ins=1111
11111111

Test out
NR? 27

Dig out
NR27? On

1

2

3

4

5

6

7

8

LOOP

PROCESS

UNITS

ALARM

SETPOINT

STATUS OUTPUT%

INS = 1 1 1 1

1 1 1 1 1 1 1 1

Input 12

Input 9

Input 8

Input 1