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MULTIDOS

RS232 Interface

Application Multi Channel Dosemeter

12

D177.131.2/0

8  Application Multi Channel Dosemeter

Telegrams containing parameters alter a setting. If the parameter is omitted in the telegram, the actual setting is
returned. For clarification parameters are printed in 

italic

.

Example: 

I0044

 sets the interval time, 

I

 reads the actual interval time and is answered by 

I0044.

8.1 Basic Settings

Telegram

Description

Response

U

x

Set/Read unit of measurement. Parameter 

x

: A = Ampere, S = Gy/s, M =

Gy/min, H = Gy/h

Ux

R

x

Set/Read measuring range. Parameter 

x

: L = range Low, H = range High

Rx

SET

s

Set/Read the calibration set to be applied. Parameter 

s

: 1 up to 5

SETs

8.2 Data telegrams

8.2.1  Read measured values

The response to the 

D

mima

 telegram is:

D

mima

;

m

;

ttttt.n

s;

sss

;

FL

;

lm

;

um

;

am

;

OOOO

;

LLLL

;

MMMM

;

Kbbbbb

The various fields contain the following information:

mi

number of first channel to be read (01 … 12)

ma

number of last channel to be read (01 … 12)

m

actual measuring mode (0 = Dose, 1 = Doserate)

ttttt.n

elapsed measuring time

sss

actual measurement status. String of 3 characters

FL

global measurement flags as Overload in any channel, HVerror, etc. Two digit number

lm

number of maximum channel of group 1-6 (marked on display by ‘<‘). Two digit number

um

number of maximum channel of group 7-12 (marked on display by ‘<‘). Two digit number

am

number of absolute maximum channel (marked on display by ‘<<‘). Two digit number

OOOO

overload flags of the doserate measurement of all 12 channels. Four digit number

LLLL

overload flags of the dose measurement of all 12 channels. Four digit number

MMMM

MathError flags of the actual measuring mode. Four digit number

K

measured values of all requested channels. See below

bbbbb

block check value of the data telegram. Five digit number

The field 

K

 consists of (ma-mi+1) values of the following format: 

±m.mmmE±ee;

8.2.2 Read Resolution

The response to the DRc telegram is
DRcc0.mmmE±ee
where cc is the channel number (valid values are 01 to 12). The transmitted value is the resolution of the actual
measuring mode. The number of digits following the decimal point may vary from 1 to 3.

8.2.3 Measuring unit

Telegram

Response

DU

DU

u

Reads the absolute unit of measurement of the active measuring mode. Possible values of 

u

:

when MULTIDOS is set to radiological units:

Gy  Gy/s  Gy/min  Gy/h

when MULTIDOS is set to electrical units: 

C     A

Содержание MULTIDOS

Страница 1: ...User Manual MULTIDOS RS232 Interface D177 131 2 0 2003 07 Di Se...

Страница 2: ...MULTIDOS RS232 Interface 2 D177 131 2 0 For your notes...

Страница 3: ...sic Settings 9 7 2 Data telegrams 10 7 3 Correction Telegrams 11 7 4 Calibration Factors 11 8 APPLICATION MULTI CHANNEL DOSEMETER 12 8 1 Basic Settings 12 8 2 Data telegrams 12 8 3 Correction Telegram...

Страница 4: ...th user manuals are applicable and must be ob served In addition to these safety statements please note that devices connected to the interface described in this manual must fulfill the requirements o...

Страница 5: ...RTS out Pins 4 and 6 are internally connected By this an external DTR signal may be returned as DSR to the external device Either RTS CTS hardware handshake or no hand shake may be used 4 Principles o...

Страница 6: ...hannel L Linear Array Wait 5 seconds after sending Aa Aa Aquit Restart the current application Wait 5 seconds after sending Aquit Aquit BRbbbbb Set Read baud rate Parameter bbbbb 04800 09600 19200 384...

Страница 7: ...Set1 of application dual channel is write protected 4 radiological unit is Roentgen 5 reference temperature for air density correction is 22 C 6 HV error 7 ME 48 is connected to MULTIDOS 0 is the leas...

Страница 8: ...ore characters Repeat this telegram three times maximum if you do not receive the expected response or no response at all 2 For all telegrams if the expected response is not received MULTIDOS is set u...

Страница 9: ...ded by channel 1 Qx Rxy Set Read range settings Parameter x setting of channel 1 Parameter y setting of channel 2 Valid values of x and y L Low H High keep current setting Valid values of the response...

Страница 10: ...ince the start of a dose measurement 5 MULTIDOS HV error since the start of a dose measurement 0 is the least significant bit O Overload flags of the doserate current measurement One digit whose set b...

Страница 11: ...value is the resolution of the actual measuring mode for the active unit radiological or electrical and actual measuring range of that channel The number of digits following the decimal point may vary...

Страница 12: ...s FL global measurement flags as Overload in any channel HVerror etc Two digit number lm number of maximum channel of group 1 6 marked on display by Two digit number um number of maximum channel of gr...

Страница 13: ...overall correction factor k k 0 500 2 000 KKn nnn 8 4 Calibration Factors Telegram Description Response CRsFccf Set Read the calibration factor f of channel cc of set s CRsFccf CRsIx Set Read the Is c...

Страница 14: ...he XMODE is activated with XM1 If it is not ac tivated you get E01 back as the telegram response It is only possible to select a set if the set is calibrated or if it is possible to calibrate the MULT...

Страница 15: ...ted m mmm mmm Mantissa of the measured value This field consists of 9 characters Smaller numbers are right justified with leading spaces Positive numbers use a space character instead of the minus sig...

Страница 16: ...cc f Set Read the radiological calibration factor for channel cc in set s XR s cc m m mmmE ee XRF s Set Read the flag for set s for radiologically calibrated uncalibrated 0 not calibrated 1 calibrate...

Страница 17: ...r the reference channel M for the monitor signal V1 addresses the channel which measures the 900 volts V4 that to measure the 400 volts m Measuring mode Valid values 0 Dose or Charge 1 Doserate or Cur...

Страница 18: ...f bbbbb 10 2 2 Single channel data Telegram cc Response Notes Dcc 01 47 Without reference Dcc m ttttts sss m mmmE ee f FL bbbbb 01 47 With reference Dcc m ttttts sss m mmm f FL bbbbb 1 R or M Dcc m tt...

Страница 19: ...thout reference 26 0 47 13 5 characters 642 characters 10 2 4 Measurement resolution Telegram Response DRcc DRcc0 mmmE ee Reads the absolute resolution of channel cc Notes 1 This is the resolution of...

Страница 20: ...is active 0 is the least significant bit aa can take values from 00 to 63 SETAaa 11 2 Control Telegrams Telegram Description Response NEW Reinitialize measurement NEW NULE Read the channels only acti...

Страница 21: ...5 channel 6 0 is the least significant bit OO can take values from 00 to 63 LL Latched overload flags of the dose or charge measurement 2 digit whose set bits when con verted to binary representation...

Страница 22: ...am Description Response CRsAaa Set Read the status of the channels of set s aa is a 2 digit decimal number whose set bits when converted to binary representation signal the following status 0 channel...

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