Inficon LDS3000 Modular Leak Detector Interface descriptio Manual de usuario descargar pdf (Pagina 8)

8 ASCII Protocol

Each command is answered with the requested data, „ok“ or „EXX“ (in case of an

error). For a list of all error messages 2.6. The transmission can be cancelled and the

receive-buffer will be cleared with ESC (ASCII code 27dec/1Bhex), ^C (ASCII code

3dec/03hex) or ^X (ASCII code 24dec/18hex).

Some commands can be used as queries, some can be used to set menu parameter

and some can be used for both. A query is marked by a „?“ (ASCII code 63dec/

3Fhex) after the command; for setting data the command has to be followed by the

new value to be set.

Parameter can be Boolean or numerical:

Notice Always use a point as the decimal marker. If a comma is used during

numerical data entry, the conversion of the number is cancelled at this

point and only the integer part of the number will be used.

Timing recommendations for the PC/PLC - Program:

Sample rate > 100 ms

Timeout between request to and answer from LDS3000: 1500 ms

After sending a command the answer must be waited for before sending a new

command. Otherwise the receive buffer may be overwritten.

2.4 Commands

<b> Boolean 0 / 1 or OFF / ON

<No> Numeric representation format: integer, real (15.6) or exponential (4.5

-7

)

Format: [space] [sign] [ddd] [.] [e[sign]ddd] (d:digit)

Relates to

LD cmd. no.

Read /

Set

*CLS Clear Error 5 S

*IDN Identification

:CRC check sum 320 R

:DEVice name of instrument 301 R

:VERsion software version MSB 310 R

:SERial serial-number leak detector R

:TURBO software version TMP controller 315 R

:DIP1 MSB DipSwitch 1 (binär) 321 R

:DIP2 MSB DipSwitch 2 (binär) 321 R

:CUversion software version control unit 314 R

:IOversion software version I/O modul 313 R

:TCHARDware hardware version TMP controller 316 R

:TCNAME TMP controller name 317 R

:BMVersion software version Bus modul R

:BMSerial serial-number Bus modul R

:BMNETType Bus module network type R

*STATus

status of LDS2010 (

ACCL, STBY, MEAS, CAL, ERROR,

EMIOFF)

Status

word

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 55 56

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