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MTS Series LX Laser Extensometer User Manual

Page 51

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Serial I/O Port Cable Connections

LX Laser Extensometer

Operation

51

R

Read Data

Read specimen displacement expressed in the unit system selected by the Units
Command. This command reports the specimen displacement displayed on the LCD
readout as an ASCII value from -99999 to +99999 (that is, five numerical characters with
polarity sign and no decimal point). This command is read only.

Note

1.If the R command is executed and the laser extensometer is busy (that is, when
Please Wait is displayed on the LCD and no displacement readings are
available), then a * will be returned.

2.If the R command is executed and the displacement reading on the Laser
Extensometer is Invalid (that is, when Invalid is displayed on the LCD), then a 1
will be returned.

3.If the R command is executed in the Multisegment mode, the displacement of
all three segments is returned simultaneously (that is, T

2

- T

1

, T

3

- T

2

, T

4

- T

3

).

B

Read
Binary

Read specimen displacement expressed in the unit system selected by the Units
command. This command reports the specimen displacement displayed on the LCD
readout as a binary value (that is, a 3-byte word in two's compliment, LSB first, no
decimal point). This command is read-only.

Note

If the B command is executed in the Multisegment mode the displacement of all
three segments is returned simultaneously (that is, T

2

- T

1

, T

3

- T

2

, T

4

- T

3

,

respectively). The data is transmitted with no spaces between each 3-byte word
(that is, nine bytes total).

C

Read
Counts

Returns raw count value of T

1

. This command is for factory use and is only functional

with the Curve Fit T

1

measurement type. If the C command is executed in any other

mode, a ? is returned. This command is read-only.

Note

1.If the C command is executed and the laser extensometer is busy (that is, when
Please Wait is displayed on the LCD and no displacement readings are available)
then a * will be returned.

2.If the C command is executed and the displacement reading on the laser
extensometer is invalid (that is, when Invalid is displayed on the LCD) then a ! will
be returned.

X

External
Receiver

Check if external scan receiver unit is present. This command is read-only.

0 is returned if not connected.

1 is returned if connected.

Command List* (part 4 of 4)

C

OMMAND

D

ESCRIPTION

*

These commands use capital alphanumeric characters.