INFICON XTM/2 Thin Film Deposition Monitor User Manual

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6S

XTM/2 Operating Manual

S 6 . . . . . Output status - returns 8 ASCII bytes each with a value of 0 or 1.

S 7 . . . . . Input status - returns 8 ASCII bytes each with a value of 0 or 1.

S 8 . . . . . Present frequency of Crystal

Sxxxxxx.xD

where

x is any digit 0 to 9

S character is a space when good readings are available or a
negative sign for failed crystals

D character is:

0 when there is 0.25 second averaging
0 or 5 when there is 1 second averaging
Even Digit when there is 4 second averaging
x when there is 16 second averaging

S 9 . . . . . Crystal fail, 1 = Fail, 0 = Good

S6 Response String

Output # Function

1

Source Shutter

2

Thick SPT

3

Timer SPT

4

Sensor Fail

Byte

8

7

6

5

4

3

2

1

not used

1 = closed contacts

S7 Response Strings

Input #

Function

1

Open Shutter

2

Close Shutter

3

Zero Thickness

4

Zero Timer

5

Crystal Fail Inhibit

Byte

8

7

6

5

4

3

2

1

not used

1 = grounded (active)

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