Table of Contents
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Table of Contents
Related Manuals for PTW MULTIDOS
Summary of Contents for PTW MULTIDOS
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Page 1: Rs232 Interface
User Manual MULTIDOS RS232 Interface D177.131.2/0 2003-07 Di/Se... - Page 2 MULTIDOS RS232 Interface For your notes D177.131.2/0...
- Page 3 MULTIDOS RS232 Interface Contents Contents FOR YOUR SAFETY GENERAL INTERFACE CONFIGURATION PRINCIPLES OF COMPUTER COMMUNICATION GENERAL TELEGRAMS Device Identification Keyboard Basic Device Settings Controlling a Measurement Error Codes Status telegrams BRIEF DESCRIPTION APPLICATION DUAL CHANNEL DOSEMETER Basic Settings Data telegrams...
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Page 4: For Your Safety
MULTIDOS RS232 Interface For your Safety 1 For your Safety − This document is a supplement to the PTW- MULTIDOS User Manual and is valid only in conjunction with that manual. − The safety statements given in both user manuals are applicable and must be ob- served. -
Page 5: General
For all communication, a strict MULTIDOS RS232 interface: ping pong principle must be observed: after sending a telegram to the MULTIDOS, the PC program must Baud rates: 4800, 9600, 19200, wait for the answer from MULTIDOS, before it may 38400 (recommended) send a new telegram. -
Page 6: General Telegrams
Read MULTIDOS serial number SERxxxxxx 5.2 Keyboard Telegram Description Response Disable or reenable the MULTIDOS keyboard. Parameter x: 0 = disabled, 1 = enabled 5.3 Basic Device Settings Telegram Description Response Set/Read language setting. Parameter x: E = Englisch, D = German Idddd Set/Read interval time. -
Page 7: Status Telegrams
.0 is the least significant bit Note: There will never be more than one bit set at once, since MULTIDOS checks all error sequentially. Because of that, each error condition corresponds to a discrete value of ddddd. ddddd is always equal to 00000, as long as the response to the S telegram is not SERR. SE is designed to give a more detailed information of the error type. -
Page 8: Brief Description
Brief Description 6 Brief Description Perform steps 1 to 5 in the given sequence to set up the MULTIDOS and read out measured data. Step 1: physical setup Connect the RS232 cable to the desired COM port of your personal computer. Switch the MULTIDOS on and set it manually to the desired application. -
Page 9: Application Dual Channel Dosemeter
PWxP Set/Read the password protection. Parameter x: 0 = clear protection, 1 = Set protection. P is the password string as described in the MULTIDOS User Manual Set/Read the type of data readings on the display. Parameter x: 0 = abso- lute values, 1 = relative values (channel 2 divided by channel 1) Set/Read range settings. -
Page 10: Data Telegrams
.3 Þ MULTIDOS HVerror at the moment .4 Þ overload in any of both channels since the start of a dose measurement .5 Þ MULTIDOS HV error since the start of a dose measurement .0 is the least significant bit Overload flags of the doserate / current measurement. -
Page 11: Correction Telegrams
7.2.5 Measuring unit Telegram Response 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: 7.3 Correction Telegrams... -
Page 12: Application Multi Channel Dosemeter
The number of digits following the decimal point may vary from 1 to 3. 8.2.3 Measuring unit Telegram Response 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: D177.131.2/0... -
Page 13: Correction Telegrams
MULTIDOS RS232 Interface Application Multi Channel Dosemeter 8.3 Correction Telegrams Telegram Description Response Set/Read the correction setting. Parameter x: 0 = correction off, 1 = on Set/Read the value of the atmospheric pressure p. p = 0500.0 … 1300.0 KPnnnn.n Set/Read the value of the ambient temperature t. -
Page 14: Application Constancy Check
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 MULTIDOS or if the MULTIDOS is in XMODE or if there is no calibrated set at all. -
Page 15: Data Telegrams
Global flags. A two digit number, whose bits, when set to one, signal the following: .0 Þ any of all channels is overloaded .1 Þ math error in any channel .2 Þ MULTIDOS data acquisition error .3 Þ MULTIDOS HVerror .4 Þ MULTIDOS electrically uncalibrated .5 Þ... -
Page 16: Correction Telegrams
XRD;s;dd.mm .yyyy .yyyy XRC;s Renew the check sum radiological calibration factor for set s XRC;s 9.5 Errors Telegram Description Response Checking the error status flag of MULTIDOS ERR;xxxxx Bit0: MENU_ERROR Bit1: ELCAL_ERROR Bit2-7: not used Bit8: RADCAL_ERROR Set 1 Bit9:... -
Page 17: Application Linear Array La 48
.0 Þ any of all channels is overloaded (including reference or monitor, if used) .1 Þ math error in any channel (including reference or monitor, if used) .2 Þ MULTIDOS data acquisition error .3 Þ MULTIDOS HVerror .4 Þ 900 volts error in ME 48 .5 Þ... - Page 18 1. The measuring mode may be doserate, the measuring status may be HLD, no reference used, the measured value of channel 14 at the HLD-time may have been 27.7mGy/s, MULTIDOS may show a HVError, the HLD state has been entered after 31 seconds.
- Page 19 Telegram Response 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: If the radiological unit is Roentgen, replace Gy by R in the upper lines.
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Page 20: Application Afterloading
MULTIDOS RS232 Interface Application Afterloading 11 Application Afterloading 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. -
Page 21: Data Telegrams
.0 Þ any channel is overloaded at the moment .1 Þ math error in any channel .2 Þ MULTIDOS data acquisition error .4 Þ overload in any channel since the start of a dose or charge measurement .0 is the least significant bit Overload flags of the current status of the doserate or current measurement. -
Page 22: Calibration Factors
11.3.5 Measuring unit Telegram Response 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: 11.4 Calibration Factors...
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