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6

3.2.1. Binary inputs

The

MT-703

telemetry module has two general purpose binary inputs (

DI

) indicated as

I1, I2

, and one auxiliary binary input

I3

, which is factory connected with the cover

opening sensor.

Because the operation of the

I3

input is factory fixed and it has no additional features

we focus on the functionality of the inputs

I1

,

I2

only.

Both

I1

,

I2

inputs have identical features and are designed for use with potential-free

contacts.

Basic features of the binary inputs are as follows:



Non-isolated inputs with a common voltage supply



Negative logic allowing energy saving



Active inputs even in a standby mode of the module



Capability of activating the module transmitter (module wake up)



Pulse counting function which works seamlessly without module wake up

The inputs operate with contacts placed between input and ground connectors. Each
input can be configured in one of three operation modes:



Common binary mode. In this mode the input detects the close/open state of the
contact. The state is detected only in case of wake up the module by Measuring
timer and it is stored in the internal logger (if enabled). This is the basic mode of
binary input operation.



Alarm mode. Basically this mode differs from the common mode in an immediate
detection of contact closing, which results in the immediate module wake up. Then
the module runs the measuring cycle and process the rules. It ensures the
asynchronous (i.e., independent on Measuring timer) transmission of alarm
information. Neither the measured value nor the input activation event are stored
in the internal logger. Additionally, neither the crossing of alarm thresholds on
analog inputs nor the increments and alarm level crossing on counters are
evaluated. Therefore in this mode the rules cannot be triggered by flags which are
set for analog alarm levels and for value increments in the counters.



Counter mode. Despite of the basic function this mode features pulse counting as
well. Pulses are counted with different weights which are set by the user (1, 10,
100 or 1000). The non-volatile 32-bit wide register is used to count the pulses,
providing the maximum count of 4,294,967,296 pulses. If the counting function is
enabled, the difference between the previous and the current status of the counter
can be calculated. This also gives the information about the counter content
increment. If the counting function is active, it is also possible to enable two alarm
levels, which create rules controlled by the levels themselves. As the consequence,
the binary inputs allow easy flow monitoring if they are connected to pulse flow-
meters.

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Содержание MT-703

Страница 1: ...T e l e me t r y M o d u l e M T 7 0 3 t e l e me t r i ap l T e l e me t r y M o d u l e M T 7 0 3 U s e r M a n u a l ...

Страница 2: ...MT 703 Telemetry Module MT 703 User Manual GSM GPRS Telemetry Module for monitoring and control Class 1 Telecommunications Terminal Equipment for GSM 850 900 1800 1900 v5 08 INVENTIA Sp z o o 1471 ...

Страница 3: ...powodowane lub rzekomo związane bezpośrednio lub pośrednio z niniejszym opracowaniem All rights reserved No parts of this work may be reproduced in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without the written permission of the publisher Products that are referred to in this document may be either ...

Страница 4: ...1 A2 13 4 3 CONNECTING SUPPLY VOLTAGE 14 5 RUNNING THE MODULE 15 5 1 CONNECTING THE ANTENNA 15 5 2 INITIAL SETUP 15 5 3 INSERTING SIM CARD 16 5 4 STARTING THE MODULE 17 6 CONFIGURATION 19 6 1 GROUPS OF PARAMETERS 19 6 1 1 The Header group 19 6 1 1 1 Module name 19 6 1 1 2 Module type 20 6 1 1 3 IMEI number 20 6 1 1 4 Module serial number 20 6 1 1 5 Module firmware version 20 6 1 1 6 Configuration ...

Страница 5: ...6 1 5 1 1 2 Filtering constant 29 6 1 5 1 1 3 Module activation 30 6 1 5 1 1 4 Counter 30 6 1 5 1 1 5 Pulse weight 30 6 1 5 1 1 6 Rate calculation 31 6 1 5 1 1 7 Alarm Hi 31 6 1 5 1 1 8 Alarm Lo 31 6 1 5 1 2 Binary input I3 31 6 1 5 1 2 1 Name 31 6 1 5 1 3 Analog inputs AN1 AN2 32 6 1 5 1 3 1 Engineering units 32 6 1 5 1 3 2 Low reference engineering units 32 6 1 5 1 3 3 Low reference internal uni...

Страница 6: ...FIGURATION 43 7 TROUBLESHOOTING 43 7 1 LED SIGNALING 43 7 2 UNLOCKING THE SIM CARD 45 7 3 REPLACING THE BATTERY 46 8 TECHNICAL SPECIFICATIONS 46 8 1 GENERAL 46 8 2 GSM GPRS MODEM 47 8 3 POWERING 47 8 4 POWER SUPPLY OUTPUT FOR ANALOG SENSOR 48 8 5 BINARY INPUTS I1 I2 48 8 6 ANALOG INPUTS A1 A2 48 8 7 INTERNAL LOGGER 48 8 8 DRAWINGS AND DIMENSIONS ALL DIMENSIONS ARE IN MILLIMETERS 49 9 SAFETY INFORM...

Страница 7: ...ications which require a periodical checking of parameters and a long term battery operation The module is manufactured in two versions which differ in capacity of internal battery set MT 703 model with standard battery and MT 703 HC model with doubled battery capacity The typical range of applications of MT 703 module are water sewage systems especially in measuring the water flow by means of wat...

Страница 8: ...n to other telemetry modules and or to the servers operating within the same APN structure It is absolutely necessary to ensure the proper GSM signal in the area where the module antenna is to be installed Using the module in the places with poor GSM signal conditions may lead to the disturbances of the transmission as well as the loss of data which increase operating costs as well 3 Design of the...

Страница 9: ...s mode differs from the common mode in an immediate detection of contact closing which results in the immediate module wake up Then the module runs the measuring cycle and process the rules It ensures the asynchronous i e independent on Measuring timer transmission of alarm information Neither the measured value nor the input activation event are stored in the internal logger Additionally neither ...

Страница 10: ...ly negligible influence on the interference immunity because the module is battery supplied i e it has a flowing potential Because the settling time of results on analog inputs is about 10 s it means that the inputs are not suitable for high speed signal measurements 3 2 3 Timers The MT 703 telemetry module has two programmable timers used for different purposes The Measuring timer T1 is used for ...

Страница 11: ...gger which can collect up to 576 data records This allows to store the 24 hours measurements executed every 5 minutes The measured data are entered to the register synchronously with the ticks of one of the module timers All variable values marked for recording in the configuration are saved Entries in the logger have a timestamp provided by the module real time clock RTC To achieve the coherence ...

Страница 12: ...e is also possible in this particular case The module can work being powered from the computer connected via an USB cable and not using its own battery during the configuration To connect a module with a computer you must have an USB cable with A and B plugins Connecting the module to a computer is indicated by the LED marked as USB The diode lights then continuously More information about the usa...

Страница 13: ...on having the batteries of doubled capacity The operation time of the module in HC version increases without the need of supplying new lithium batteries because inside the bigger housing of the module there is a set of six alkaline R20 batteries identical as in a standard module They provide the double capacity and ensure the longer operation of the module even with frequent measurements To reduce...

Страница 14: ... If the module is active the button switches it to the stand by mode with 10 seconds delay after pushing Such capability is useful when you want to check the GSM signal level and the module is in a stand by mode After pushing the ACTIVATE button the module is waken up for 2 minutes and logins onto GSM network and onto GPRS During this operations you can see the current GSM signal level indicated b...

Страница 15: ...ide of the module and mount it in the inner holder The empty hole in the module housing should be sealed by the protective cap This operation is not possible if the FME type socket is used 3 10 Module housing Due to the possible hard environmental conditions the MT 703 module housing is manufactured of the high quality plastics It ensures enough protection IP67 for the precision electronic instrum...

Страница 16: ... 703 module the binary inputs require a connection with potential free contacts only Such contacts are placed between the input and the module ground connectors Closing the contact is treated as a high state on the input the negative logic As you can see on the above picture both inputs have the same reference potential This is the electrical mass of the module i e the negative pole of the supply ...

Страница 17: ... estimated as 16 Ah 32 Ah for HC Depending on the data or SMS transmission events rate it allows for an autonomous operation of the module without replacing the battery even up to 5 years The supply voltage is delivered by the cable with an asymmetrical plug which fits the socket placed on the module board in one position only ATTENTION Due to use of high capacity capacitor in the supply circuit t...

Страница 18: ...le 3 Mounting a SIM card 4 Module restart 5 1 Connecting the antenna Connecting an external antenna is necessary to proper operation of the module The antenna type depends on its mounting and on the strength of the GSM signal in the antenna location The antenna should be connected to the SMA or optionally FME socket placed on the bottom side of a module housing Alternatively it is also possible to...

Страница 19: ...in password You should enter the user s access password if required by the network operator The above given parameters are the only ones required for a proper login the module onto a GSM GPRS network Note that a module configured in such basic manner has no possibility to send information This means that after checking a network login process you should configure the remain module parameters to en...

Страница 20: ...ithout power disconnection not recommended then for the module restart it is enough to push the RESET button If the supply voltage has been disconnected during a SIM card installation its connection automatically starts the module The module behaves in identical manner either after connecting the external batteries or after powering it via an USB cable The properly configured module should registe...

Страница 21: ... from the antenna to the module in a scale 1 5 If the diode is not blinking it means that the GSM signal in the selected antenna location is too weak and does not guarantee the proper operation of the module In such a case you should choose a new place for the antenna and restart the network login process You should also remember that the GSM signal level indication is possible only after entering...

Страница 22: ...ified General contains basic parameters used for setting operational mode of the module GPRS contains parameters required for login the module in GPRS network and parameters that provide transmission reliability Authorized Numbers contains lists of phone numbers and IP addresses which are allowed to communicate with the module Resources defines the working parameters of hardware and software resou...

Страница 23: ...ent firmware version of the MT 703 telemetry module Data type Text Variation range None read only parameter Comment This item changes automatically after installation of a new firmware 6 1 1 6 Configuration file version Function Identifier of the current version of the configuration file used for the module configuration Data type Text Variation range None read only parameter Comment This value de...

Страница 24: ... contains parameters of the vital functions of the entire module This is a place for entering data used in login the module to the GSM network and to defining its mode of operation Note that entered values have the influence on the operation of the entire device Invalid data can block the module 6 1 2 1 SIM card PIN number Function PIN number for the SIM card delivered by GSM operator It is the ac...

Страница 25: ...ed numbers IP list that have set the Configuration option to Allowed Default value All Comment Configuration access restrictions are limited only to the GPRS connections Misuse of the parameter can block the remote access even for users who have access privilege 6 1 2 4 Configuration password Function Password protecting the module configuration The user will be asked for this password either duri...

Страница 26: ...eter to 0 cancels all limitations Data type Number Variation range 0 65535 Default value 0 Comment See note below ATTENTION Reaching the SMS monthly limit stops immediately i e without warning SMS sending even in alarm states This restriction stays valid until next month 6 1 2 7 USB mode Function Sets the operation mode of the module when it is powered from the USB cable during configuration Data ...

Страница 27: ... optimization 6 1 3 1 APN name Function Name of the APN used in GPRS transmission Data type Text Variation range Letters digits and special characters 32 characters maximum Default value Empty Comment Lack of the APN disables login to the GPRS 6 1 3 2 APN user name Function Name of the user allowed for access to the APN used in GPRS transmission Data type Text Variation range Letters digits and sp...

Страница 28: ...f GPRS frames sent from module Data type Selection list Variation range IP address IP address is put in the header of data frames and by this address device is recognized by data collecting software MTDataProvider Serial number Serial number is put in the header of data frames and by this number device is recognized by data collecting software MTDataProvider Advantage of such configuration is inde...

Страница 29: ...ut parameter Data type Number Variation range 0 255 Setting this parameter to 0 causes data to be sent without waiting for receipt confirmation Default value 0 Comment Under normal conditions it is not recommended to set this parameter value greater than 3 Such a setting is safe enough for successful transmission and it does not block the processing of consecutive rules Note that the next data por...

Страница 30: ...f login to the network after an unsuccessful login event Data type Number Variation range 0 60 Default value 5 Comment Setting this parameter to 0 means login attempts will be repeated without any delay 6 1 3 13 Data frame format Function Selects frame type used by modules in communication via GPRS and indirectly the operating mode of the modules Data type Selection list Variation range Standard S...

Страница 31: ...module configuration changes as well as to data queries Data type Number Variation range 0 32 Default value 1 Comment This parameter allows easy definition of the required number of IP addresses used in data rules Value of the parameter varies via adding or removing IP addresses by means of popup menu assigned directly to the IP list 6 1 4 3 Phone Item number Consecutive numbering of list items Na...

Страница 32: ...each input depends on values of their configuration parameters 6 1 5 1 1 Binary inputs I1 I2 The MT 703 module has two identical binary inputs An energy saving feature of the module assumes these inputs should be connected with potential free contacts Such contacts are placed between the input and the module ground terminal 6 1 5 1 1 1 Name Function User friendly name of the input e g related to i...

Страница 33: ...put Each pulse appearing on the input increases the 32 bits counter content No The function is disabled Default value No Comment Total capacity of the counter 4294967296 pulses Pushing the RESET button clears the counter ATTENTION There is a possibility to enter an initial value into the counter to provide the synchronization between the countercontent and the value already recorded in the connect...

Страница 34: ...puted increment of the counter value Data type Number Variation range 0 65535 Default value 0 Comment This parameter allows using an alarm condition in the rules processing 6 1 5 1 1 8 Alarm Lo Function The Lo alarm level for the computed increment of the counter value Data type Number Variation range 0 65535 Default value 0 Comment This parameter allows using an alarm condition in the rules proce...

Страница 35: ...gits 16 characters maximum Default value The resource name for example AN1 or AN2 Comment User friendly names assigned to the connectors allow an easy distinguish of their purposes and settings The names are then displayed on the connector list 6 1 5 1 3 1 Engineering units Function A name of the engineering unit used for measured values Data type Text Variation range Letters and digits 16 charact...

Страница 36: ...1 3 5 High reference internal units Function The high reference level for internal measuring units Data type Number Variation range 0 1000 Default value 330 Comment Together with remaining reference parameters this one is used to transform the physical input signal range to the range expressed in engineering units 6 1 5 1 3 6 Alarm HiHi Function The HiHi alarm level for the signal on the analog in...

Страница 37: ...umber Variation range 0 10000 Default value 0 Comment Setting the proper hysteresis value according to the variation of the signal prevents too frequent alarm flag settings in case of unstable signal source 6 1 5 2 Timers The Timers group contains parameters used by two timers which influent the entire module operation The Measure timer is responsible for periodic activation of the module in order...

Страница 38: ... the measurement write its result into the data logger evaluate alarms and process the rules The repetition period begins in the moment defined by the Start parameter value 6 1 5 2 3 Transmission timer T2 The Transmission timer was originally designated to initiate a transmission of the data logger content if enabled but its cycle can be also used in other transmission tasks 6 1 5 2 3 1 Period Fun...

Страница 39: ...dule Default value IP1 the first item on the list of authorized IP addresses Comment The destination IP address is selected on the basis of the list of user friendly names and that s why it is recommended to use unique easy to remember naming convention 6 1 5 3 4 Parameter list The parameter list contains all variables which are recorded in the data logger according to each cycle of the timer sele...

Страница 40: ...same triggering conditions 6 1 6 1 SMS sending The list of rules for SMS sending can contain not more than 32 rules which enable sending the short text messages The list items can be added or removed using popup menu that is invoked by clicking the right mouse button on the list item in the MTM program window The number of rules can be set by the value of Number of SMS sending rules parameter as w...

Страница 41: ...t value None Comment None 6 1 6 1 2 2 Trigger flag Function Defines the flag associated with the selected input and used to trigger an event Data type Selection list Variation range None The rule is disabled Bi In 0 1 Bi In 1 0 The flags which are to be set by the binary input state change Min DTA Max DTA The flags which are to be set by a low and a high alarm level crossing for the counter increm...

Страница 42: ...ne number is selected on the basis of the list of user friendly names and that s why it is recommended to use unique easy to remember naming convention 6 1 6 1 2 5 Status sending Function Enables or disables the module status information attachment to SMS message text Data type Selection list Variation range Yes Status attached No Without status Default value Yes Comment Total length of the SMS me...

Страница 43: ...rule settings until the configuration is saved into module 6 1 6 2 2 Rule for data sending Each rule on the list is defined by the following parameters Trigger source Trigger flag IP address 6 1 6 2 2 1 Trigger source Function Selects the source of event which can trigger the rule Data type Selection list Variation range None Rule disabled I1 I2 Binary inputs AN1 AN2 Analog inputs T1 T2 Clock tick...

Страница 44: ...to communicate with the module Default value IP 1 the first IP address on the list Comment The IP address is selected on the basis of the list of user friendly names and that s why it is recommended to use unique easy to remember naming convention 6 2 Initial setup The initial data setup mode is an extension to the normal module operation It extends the possible applications of the module and is n...

Страница 45: ...es to yellow This means the value was actually changed and may be sent to the module using Write changes menu function ATTENTION Working with Initial setup is possible only when the module is connected to the PC This prevents the immediate data sending to the module which may cause the faulty initialization of the module resources 6 3 Saving the configuration After entering all required parameters...

Страница 46: ...eft there are following diodes The GSM LED The Status LED The USB LED The purpose of the GSM LED is informing the user about the GSM modem status Under a normal operation of the module this LED indicates the change of a stand by mode into an active mode using short single blinks The single and a little bit longer blink indicates a next step when the GSM module is working and ready to activate the ...

Страница 47: ...LED blinks which indicate successful login it is important to write down the error blink sequence before applying for a technical help Such knowledge will help the service personnel to diagnose the faults Generally the Status LED has only two purposes Firstly it indicates the stand by mode of the module It seems the module in such state is inactive but in fact it executes the program provided for ...

Страница 48: ...gin The unlock operation may be executed only if you know the valid PIN number To unlock the SIM card you should switch off the module power remove the SIM card from the module insert the SIM card into an ordinary mobile phone which accepts cards issued by the same operator switch on the phone and enter the valid PIN number if it has not been done before run the module enter the valid PIN number i...

Страница 49: ... pick up the metal mounting plate with the module board remove the old battery set located under the plate and replace it with the new one pull down the metal mounting plate reinsert the battery cable into the socket on the module board check the process of module registration in the GSM GPRS network close and seal the module cover It is recommended to use only the battery sets offered by the modu...

Страница 50: ... 1900 MHz GPRS Class 10 Frequency range EGSM 900 MHz Transceiver from 880 MHz to 915 MHz Receiver from 925 MHz to 960 MHz Frequency range GSM 850 MHz Transceiver from 824 MHz to 849 MHz Receiver from 869 MHz to 894 MHz Peak transmitting power EGSM 900 MHz GSM 850 MHz 33 dBm 2W class 4 station Frequency range EGSM 1800 MHz Transceiver from 1710 MHz to 1785 MHz Receiver from 1805 MHz to 1880 MHz Fre...

Страница 51: ... logger data transmission Voltage settling time before the measurement 40 s 8 5 Binary inputs I1 I2 Contact polarisation voltage 2 5 V Counting frequency 30 Hz max Minimum pulse width 16 ms 8 6 Analog inputs A1 A2 Measuring range 0 3 3 V Input resistance 200 k typical Resolution 10 bits Accuracy 1 8 7 Internal logger Memory type FLASH Maximum number of records 288 Minimum recording time 5 min ...

Страница 52: ...49 8 8 Drawings and dimensions All dimensions are in millimeters MT 703 module standard version MT 703 module HC version ...

Страница 53: ... antenna may disturb hearing aids functions Should that occur one has to study detailed operating instructions and recommendations for that particular product 9 2 3 Other medical equipment Any radio device including the telemetry module may disturb the work of electronic medical equipment When there is a need of installing telemetry module in vicinity of medical equipment one has to contact the ma...

Страница 54: ... 651a09gg change was dictated by hardware changes in Q2406B modem new FLASH memory V1 06 02 actualization of memory map v1 06 first released version 10 2 Triggering inputs During operation the internal system of MT 703 module creates a number of variables related to its inputs outputs and to module diagnostics Triggering inputs and triggering flags in conjunction with rules processing enable insta...

Страница 55: ...ounter increment No 0x0B 11 CNT2_INC I2 counter increment No 0x0C 12 CNT1_UNIT Pulse weight counter I1 No 0x0D 13 CNT2_UNIT Pulse weight counter I2 No 0x0E 14 AN1_E Analog input AN1 internal units No 0x0F 15 AN2_E Analog input AN2 internal units No 0x10 16 AN1_E Analog input AN1 engineering units No 0x11 17 AN2_E Analog input AN2 engineering units No 0x12 18 VBAT Battery voltage No 0x13 19 SIGNAL ...

Страница 56: ...uation must be enabled Max DTA Counter on inputs I1 I2 Set to True if the counter content increment within the period determined by measuring timer is less than the value set for Hi alarm parameter To activate this flag the counter itself and the increment evaluation must be enabled An LoLo Analog inputs AN1 AN2 Set to True if the value of signal on analog input is less than the value set for LoLo...

Страница 57: ...54 10 5 Housing 121207 121210 technical specification ...

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