Mitec RMS40 installation manual
Contents
1. Two of these can be used for connecting communications and power DESIGN Mitec RMS No of channels Power supply Galv Isolation Short 80 230 V 12V Cust distance AC DC spec This table shows the standard range of Mitec measuring stations Different configurations are available and the type of measuring sensors can always be freely selected mitec RMS40 21 Model program measu ri ng stations Mitec RMS40 and RMS31 measuring station Power supply Mitec RMS is powered by 230V 50 Hz or 110V 60 Hz Power consumption is approx SW Power is connected to the DIN rail mounted plinth The system is equipped with fuses and transient protection between phase and neutral There is no main circuit breaker but the power can be cut by removing the fuse holder The instrument in Mitec RMS is equipped with a battery for backup of the measuring system and data memory If external power is cut measuring will continue and measuring data will be saved in the instrument s memory Communication will stop however because the modem requires external power Measuring data will still be stored during the power cut and the break will not be evident when power is reconnected provided that the external sensors have had continual power supply The battery has sufficient capacity to operate for up to one month gt 1 minute registration intervals and room temperature Note that battery capacity is significantly reduced at lower temperatu2. 3V with 4 mA and 4V with 20mA Current is normally regulated by the loop s transmitter but a break in the isolation amplifier s secondary side can cause a voltage increase that damages the amplifier Power over 24V is therefore not recom mended unless the input is protected with a Zener diode of 10 12V 10 mitec RMS40 Mitec RMS40 and RMS31 measuring station Power supply Mains power is connected to the separate terminal blocks Protective earth is connected to the yellow green terminal block NOTE Ensure that power supply is disconnected during installation Terminal block for connecting protective earth Fey Fel Terminal black for power supply mitec RMS40 Installation 11 Insta llation Mitec RMS40 and RMS31 measuring station GSM modem Measuring stations are delivered with GSM modem and antenna installed Normally 1t is delivered with a subscription SIM card installed in the modem Mitec RMS with GSM modem and inbuilt antenna Signal strength and antennas The antenna is installed on the top of the measuring station with a screw connector of type TNC Available as an accessory is a magnetic foot antenna with fiberglass rod and 3 m cable with TNC connector This has high amplification and is recommended for places with difficult reception conditions Check that there is GSM coverage at the location A normal mobile phone gives a good indication of signal strength Consider that moving The stand
3. All installation is to be performed by qualified personnel with appropriate knowledge and training This should be observed in particular during installation of 110 230 V power supply NOTE Mains supply must be disconnected during all installation work The following is a general description of the installation for all Mitec RMS models Standard measuring station RMS40 with antenna mitec RMS40 Insta llation Mitec RMS40 and RMS31 measuring station Mechanical installation The enclosure is equipped with four mounting lugs Select a place where the equipment is not exposed to mechanical factors or at risk of being affected by water or chemicals Avoid places where vibration occurs The recommended ambient temperature is 10 30 C Operation can not be guaranteed above 50 C or less than 15 C Condensation must not occur Wall mounting requires a free surface of approx 25 x 40 cm w x h With door open a free width of approx 65 cm is required The box extends approx 20 cm from the wall approx 50 cm approx 65 cm 8 mitec RMS40 Mitec RMS40 and RMS31 measuring station Insta llation Hole diameter 8 0 Layout for wall mounting of RMS40 mitec RMS40 9 Insta llation Mitec RMS40 and RMS31 measuring station Connection of measuring sensors Many different measuring sensors can be connected directly to Each measuring station is RMS31 40 Connect sensors to the screw or clamp connection i
4. alkaline battery type LR6 indicates if the battery is in poor condition Refer to the operation description above regarding battery power supply General information on settings It is normally not necessary to perform any settings on site to start the measuring station This is carried out from the measuring server or via Mitec s measuring service After power supply is switched on the modem is initialised automatically and the measuring station can be setup remotely from the measuring server Be 8 The measuring station is normally started from the measuring server but can also be started manually Registration interval measuring interval and clock are also set from the measuring server and measurement started mitec RMS40 13 Sta rtup Mitec RMS40 and RMS31 measuring station Manual settings not normally needed It is not normally necessary to adjust any settings before starting the Note Normally measurement is measuring station this can be done from the measuring server or via started from the measuring Mitec s measuring service server and no settings need to be If desired manual settings can be made following the description in this Made locally chapter 1 Set the correct language 2 Set the clock 3 Check the start stop conditions 4 Set the registration interval 5 Initialise the modem 6 Start the measurement Refer below for a step by step description of these settings Remember FUNC lights
5. up the display The instrument has two modes Readings F and Settings C Go into Settings mode by simultaneously pressing the and buttons Close Settings mode and go to Readings by simultaneously pressing the and buttons e Measuring must be stopped F5 before settings can be adjusted Display The display has two rows with 16 characters Buttons FUNC switches between different functions Fl to F5 are readings and C1 to C13 are settings ALT has sub alternatives for each function SEL has sub alternatives for ALT and are used for settings For full information read user manual for AT40 AT31 14 mitec RMS40 Mitec RMS40 and RMS31 measuring station The following is a step by step description of the settings needed before the system can start measurement Refer AT40 and AT31 user manual 1 Set language C12 Following a battery exchange the instrument s language is set to Swedish The display can also show English German and French Change language using function C12 e Go to Settings e Press FUNC repeatedly until C12 is shown in the display e Press ALT to select language e Return to Readings 2 Set dock C3 It is essential for correct measuring that the instrument s clock is set correctly NOTE always use winter time not daylight saving time e Goto Settings e Press FUNC repeatedly until C3 is shown in the display e Press ALT to enter the function e Set the year using
6. Measuring station RMS31 40 Installation manual Measuring station RMS31 40 Installation manual Mitec products are designed and manufactured by Mitec Instrument AB i S ffle Copywrite for products software and documentation belongs exclusively to Mitec Elektronik AB 1992 2000 All rights to technical modifications are reserved Document No J10001 Rev E Mitec Instrument AB V a Storgatan 18 661 30 S ffle 0533 16050 www mitec se Contents eneral pul gt u a E Ss lt mie 5 na Olaf onnection of measuring sensors a o urrent loop Power suppl mi Ni Signal strength and antennas SM modem N eneral urning on the power J py pao lt rs m wilo uju eneral information on settings P anual settings not normally needed Set language C12 gt nn Set clock C3 Check start and stop conditions C4 and C5 Nn E p Nn Set registration interval C6 Initialise the modem C10 Start measuring F5 mm Q l pad j N esting na oo heck sensors heck communication OO CO erify system function eneral 20 odel program measuring stations 21 Main parts 21 nclosure Ni Power suppl N N easuring and communication N N easurin g sensors Mitec RMS40 and RMS31 measuring station nsta llation Mitec RMS40 and RMS31 measuring station Installation General
7. and buttons e Switch to Month using the SEL button and set using and buttons Set the complete date and time using SEL and e Return to Readings 3 Check start and stop conditions C4 and C5 For continuous measurement the start condition should be Manual and the stop condition be None e Goto Settings e Press FUNC repeatedly until C4 is shown in the display e Check that the start condition is Manual Change if needed e Proceed to C5 using FUNC e Check that the stop condition is None Change if needed e Return to Readings 4 Set registration interval C6 mitec RMS40 Startup NOTE This description of settings refers to RMS40 Refer to AT31 user manual for usage in RMS31 15 Sta rtup Mitec RMS40 and RMS31 measuring station The registration interval is the time between storage of measuring data in the memory of the measuring interface An interval between 1 second and 24 hours can be freely selected The normal interval for logistics and industrial service is between 1 minute and 1 hour Select the longest possible time to minimise the quantity of data e Goto Settings e Press FUNC repeatedly until C6 is shown in the display e Press ALT e Set the interval using the and buttons e Return to Readings 5 Initialise the modem C10 The registration interal is the time between saving measuring data in the measuring interface s memory e Goto Settings e Press FUNC repeatedly until C10 is shown in
8. ard antenna can be the antenna very slightly can make a big difference screwed off the cabinet and Place the antenna high and free and avoid placing it near electrical replaced with the extra equipment that may cause interference antenna s cable connector 12 mitec RMS40 Mitec RMS40 and RMS31 measuring station Sta rtup Startup General Mitec RMS is delivered from the factory with all equipment installed and tested Following installation the full system must however be tested to verify the operation of measuring sensors and communication Any external influencing factors should also be checked Mitec RMS is based on Mitec s measuring instruments AT40 or AT31 The function and operation of RMS is essentially the same as these instruments Refer to AT40 and AT31 user manuals Tuming on the power External power supply Connect power supply to RMS Different types of power supply units are used depending on the design and some types are equipped with indicator lamps for power Check that this lights up Check that indicator lamps in the modem are lit If not check that the modem is switched on Battery backup The instrument in RMS is equipped with a battery for backup of the measuring system and data memory Check that the battery is installed and that it has sufficient capacity The easiest way is to turn off the external power supply and check that the display lights up when the FUNC button is pressed An alarm Use
9. hone Ring the installation s telephone number and check that it replies and that a carrier signal can be heard When a GSM telephone is installed its Data number is used for dialling Refer to the documentation accompanying the subscription Wavecom WMOD2 is installed as the standard modem in Mitec measuring stations It has a red LED indicator with the following functions e Slow blink Contact with GSM network e Fast blink Contact with GSM network communication active e Steady light The modem is switched on but there is no contact with the GSM network Additional checks can then be made using a PC and Mitec Monitor software Verify system function The final verification of the system s function is made from the measuring server and Mitec Monitor program The measuring system is configured and test dialled from the measuring server 18 mitec RMS40 Mitec RMS40 and RMS31 measuring station Testi ng Settings in measuring server Mitec Monitor under Measurement Configuration RMS40 and RMS31 always select Family 31 40 series For RMS40 select logger AT40 For RMS31 select logger AT31 Enter serial number Indicated on the measuring station Enter telephone number Refer subscription information mitec RMS40 19 G eneral Mitec RMS40 and RMS31 measuring station General Measuring stations in the RMS series are part of Mitec s system for GSM monitoring RMS is a universa
10. l measuring and communications unit with all functionality required for use with different measuring sensors and communication methods A number of different sensors for measuring pressure temperature flow level energy etc can be connected to RMS Communication can take place via GSM telephone radio private network or the public telephone network Measuring occurs automatically using a selectable time interval and information packets are transferred on request to the system s measuring central Mitec RMS is available in different designs SMS alarm and data as apgr sr Y Sensors 533332 N Wireless Internet E mail alarm GSM measuing stations i Internet Measuring server It sensors The Mitec measuring system 20 mitec RMS40 Mitec RMS40 and RMS31 measuring station Model program measu ri ng stations Model program measuring stations Main parts Mitec RMS can be delivered in different designs depending on the application Refer table below The main parts of Mitec RMS are e Power pack e GSM modem normal modem as option e Measuring and communication interface e Terminal blocks galvanic isolation optional Endosure Mitec RMS has a weatherproof enclosure class IP65 in metal and has a door with simple lock arrangement The box can be mounted using the four mounting plates with screw holes Ten conduit entries of type PC9 for cable diameter up to 8mm are mounted on the standard product
11. n the delivered with an individual box One to eight sensors can be connected at the same time Refer plinth description markings on respective terminal blocks for polarisation The connection can later be tested using the inbuilt display Terminal block with fuses for connecting power supply Terminal block or isolation amplifier for connecting sensors Measuring channel 1 to the left II 1 213 4 15 7 Current loop One ofthe most common connections is a current loop with 0 20mA or 4 20mA Connection can be made to the measuring station directly or via isolation amplifiers Direct connection Inputs on the measuring station are not galvanically isolated from each other or from the measuring system s earth minus on the power supply unit When an external current loop is connected directly this will thus be galvanically connected to the minus on the power supply unit In this way multiple current loops that are connected to the measuring station will be connected together and have the same earth potential The internal resistance in this case is 50 ohm 1V at 20mA The maximum allowable current is 50mA Isolation amplifiers 4 20 mA When a connection is made using isolation amplifiers such as Inor CL122 inputs will be isolated from each other and from earth potential The recommended power supply in the loop is 24 VDC The maximum allowable power across the inputs is 15 VDC The potential drop in the loop will be
12. res and that power consumption increases significantly when registration intervals more frequent than one minute are used Measuring and communication For data communication measuring and operator communication there is an electronic unit mounted in the inner panel of the case Four or eight measuring sensors are connected to this For data collection and settings there are buttons and a display Refer user manual Mitec AT40 and AT 31 For communication with the Mitec measuring central there is a standard modem or a GSM modem depending on the option chosen Measuring sensors Measuring sensors are connected via the terminal block A number of different sensors can be used Refer www mitec se for selection For connection of process signals 4 20mA is standard Measuring sensors are scaled automatically and the measuring signal can be shown on the local display 22 mitec RMS40
13. the display e Press ALT e Set the modem type using and buttons e Press ALT e Set the Baud rate using and buttons e Return to Readings Telephone modem SRT Select Modem 3 GSM modem Siemens M20T Select Modem 3 GSM modem Wavecom WMOD2 Select Modem 3 Baud rate for above modems Select 9600 bps 16 mitec RMS40 Mitec RMS40 and RMS31 measuring station Sta rtup 6 Start measuring F5 After the above installation is done the system is ready to go into operation It is first necessary for the measurement to be started which is done under the Readings function FS e Press FUNC repeatedly until F5 is shown in the display e Press ALT e Start using the button e Press the button again to confirm the start If any of the above settings need to be changed the measurement must first be stopped This is also done under F5 mitec RMS40 17 Testi ng Mitec RMS40 and RMS31 measuring station Testing When the installation is completed and settings made it is time to check the operation of the unit Check sensors The sensors output signal can be simply checked on the measuring station s display e Press FUNC so the display lights up e Press ALT and read the value from sensor 1 e Show sensors 1 8 by pressing the button Check that the values displayed from the sensors appear reasonable Check communication A simple check can be carried out directly in the field using a mobile telep
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