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Command set:

Display parameters:

UNITS

OHMS

 

UNITS

C

 

UNITS

K

 

UNITS

F

 

INPUT

A

 

INPUT

B

 

INPUT

A-B

Analogue parameters:

SPAN

Value in Ohms

 

 

ZERO Value in Ohms

Measurement:

MEASURE

 

Return to Local:

LOCAL

 

 

 

 

Output Protocol

Replies will depend on the command implemented, and will be numeric or – with commas and spaces as delimiters. All replies will be terminated by CR and LF. The first number will be an error code.

0No error

1Calibration lost (EEPROM corruption)

3Broken probe

4Syntax error

There will be no fur ther numbers if:

a)There is an error

b)The primary command was UNITS, INPUT or LOCAL

Further output will be provided in the case of MEASURE, DUMP (DIAGNOSE).

1.MEASURE

Eg. If output is 0, 2351.7

First number

- error code

Second number

- value in units set by previous commands