Datasheet - ST Innovators
Contents
1. CHANNEL SPECIFIC PARAMETERS SETTING VI 2 2 COMMON PARAMETERS AND OPTIONS SETTING MARK users manual rev aug 97 9 S T INNOVATORS VI 3 TEMPERATURE COMPENSATION CHANNEL SETUP VI 4 SETTING THE REAL TIME CLOCK VII OPTIONAL DISCRETE OUTPUTS The device can be optionally equipped on a special request with up to two discrete output relay modules There are five different types of discrete output modules 16 outputs activated on lower technological limit LL1 violation 16 outputs activated on lower breakdown limit LL2 violation 16 outputs activated on higher technological limit HL1 violation 16 outputs activated on higher breakdown limit HL2 violation 7 outputs summing up different types of violations For 16 outputs modules the activated output number corresponds to the number of the channel on which the respective violation is registered For 7 outputs modules the corresponding output is activated in the following conditions output 1 one or more violations of LL1 are registered output 2 one or more violations of HL1 are registered output 3 one or more violations of LL2 are registered output 4 one or more violations of HL2 are registered output 5 some type of violation is registered no matter what output 6 one or more violations of LFL is registered output 7 one or more violations of HFL is registered All discrete outputs are of the dry contact type They ma2. are listed above For each channel and sensor an input range can be selected relatively arbitrary within the specified limits a measuring magnifier can be applied so to say by setting a narrower input range and using the whole resolution of the device in this range Temperature measurements are carried out by comparing measured voltages or resistances to standard graduation tables written in the ROM of the device see Appendix Manual or automatic cold junction temperature compensation for thermocouple measurements Manual line resistance trimming possibility to an arbitrary value between 00 and 1000 for two wire RTD measurements Extremely suitable for working with safety barriers A three wire circuit for RTD measurements with automatic transformation to two wire measurement if the third wire brake down Measured currents can be converted by use of different formulas and displayed in required units Periodic and automatic device autocalibration Accumulation is implemented over current measuring channels Measured quantities like output flow or similar can be integrated over time in order to register resultant consumption drain etc Real time clock calendar date month hour minute Technological violation alarm for every input channel with light and sound signalling Optional modules are available with 16 relay outputs one per channel for every type of registered violation and a module with 7 relay outputs summing different
3. 16 CHANNEL SIGNAL MONITOR MARK Monitor CHANNEL MA R K MONITOR USER S MANUAL S T INNOVATORS SOFIA 1505 TZARICHINA 1 TEL 870 21 56 FAX 973 37 27 S T INNOVATORS I INTRODUCTION The multichannel signal monitor MARK Monitor is a general purpose measuring device suitable for use in industrial and laboratory conditions The signal monitor has 16 input channels free programmable to perform the following measurements Thermocouples RTD chrom copel temp range 50 800 C grade XK chrom alumel temp range 50 1300 C grade XA Pt10Rh Pt temp range 0 1600 C grade PP1 copper constantan temp range 270 400 C type T iron constantan temp range 210 1200 C type J chrome constantan temp range 270 1000 C type E Pt10Rh Pt temp range 50 1770 C type S Pt13Rh Pt temp range 50 1770 C type R Pt 100 with coefficient 1 385 temp range 200 850 C IEC 751 Pt 100 with coefficient 1 391 temp range 200 650 C grade 22 Pt 46 temp range 200 650 C grade 21 Cu 53 temp range 50 180 C grade 23 Cu 100 temp range 50 180 C grade 24 Ni 100 temp range 60 250 C DIN 43760 Cu 50 temp range 50 200 C Pt 50 temp range 260 750 C Current measurement 4 20 mA 0 20mA or 0 5mA MARK users manual rev aug 97 S T INNOVATORS The maximum possible ranges for thermosensors
4. 6 light emitting diodes LED s signalling different violations for each channel CHANNEL field for the number of the channel TIME DATE field MAIN DISPLAY field for the measured quantity and its dimension In set up mode the display is used for communication with the operator The keyboard consists of 24 functional buttons whose purpose will be described below A buzzer for sound signalling is connected to the keyboard It fixes the moments of separate key presses when they perform some action in the device and gives a sound signal at the occurrence of different type of violations a power supply on off switch On the rare panel of the device there is amains cable socket for 220V 50Hz power supply fuse holders alid with 16 pairs of terminals for 16 input channels connection and a pair of terminals for a Pt100 RTD connection 1 385 to be used for automatic cold end temperature compensation of thermocouples There are also 16 single terminals for the RTD third end connection if a three wire circuit of measurement is used There are two more optional rows of terminals for relay output signals 9 pin serial printer connector serial interface RS 232 9 pin connector III 2 HARDWARE AND SOFTWARE The signal monitor is a two processor microcomputer device with program controlled measuring and printing control part It is a modular type device A digital bus connects different modules The measuring part control microc
5. han channel specific parameters Parameter settings are saved in battery back up Memory and do not lose their values in power supply drop out conditions IV DEVICE SETUP The device is mounted in a command room shield and fastened by screws The input signals to be measured are connected to the device The device is connected to the mains and earthen IV 1 SENSOR SIGNAL CONNECTING A sensor or a signal is connected to the device in order to be measured on given channel The number of the terminal corresponds to the number of the channel It is recommended that unused channels are deactivated i e SCAn no and WrC no is set for each one of them Thermocouples are connected with the positive terminal to the marked row of terminals and the negative to the one Polarity is of no importance if thermistors measured in a two wire circuit are connected MARK users manual rev aug 97 T S T INNOVATORS Thermistors measured in a three wire circuit are connected with one end to the terminal and with common point ends to and 3 WIRE terminals Current signals are connected to given channel terminals by use of a external shunt resistor 1000 0 1 The terminal is connected to the positive end and the terminal to the negative end of the current signal Pt100 RTD 1 385 used for thermocouple cold end temperature compensation is connected to terminals Temp Comp Connecting circuit
6. omputer has a built in double integration type analog to digital converter ADC Input signals are fed to a relay input analog multiplexer It switches them one after the other to a measuring converter with programmable gain programmable offset and switchable current source MARK users manual rev aug 97 6 S T INNOVATORS From this point the normalised signal goes to an analog to digital converter The result thereafter is subjected to arithmetical processing displayed and sent to the external printing device if present and serial interface RS 232 Both the measuring and of the printing control part operate under the control of a specialised firmware The program operation is flexible and depends on some parameters called device parameters Changing values of these parameters a great number of different device configurations can be achieved which makes the signal monitor a powerful measuring and signalling tool Connecting Mark Monitor to external printer converts it to convenient and flexible process recorder III 3 MEASURING PART PARAMETERS All parameters are saved in battery back up memory and retain their values in power supply drop out conditions 11 4 PRINTING CONTROL PART PARAMETERS There are two types of printing control parameters The first one is similar to the measuring part parameters and refers to each individual channel The other type refers to the printing control part and these are device common rather t
7. s for each type of input signals are shown on the rare panel of the device IV 2 CONNECTING TO THE MAINS Turn off the power supply switch Connect the device to 220V 50Hz mains socket by use of a shoko type cable that ships with the device It is mandatory to earth the device either by means of the neutral wire of the cable or by the earthing screw placed on the rare lid of the power supply module IV 3 PRINTER CONNECTING Connect Mark monitor to 9 pin PRN ISOTA socket by use of interface cable that ships with the device The second end plug in printer s interface socket MARK users manual rev aug 97 S T INNOVATORS V DEVICE OPERATING V 1 SWITCHING ON THE POWER SUPPLY V 2 CHANNEL SCANNING START STOP V 3 DISPLAYED CHANNEL SELECTION V 4 DISPLAYING THE THERMOCOMPENSATION CHANNEL V 5 DISPLAYING THE CLOCK CALENDAR V 6 DISPLAYING THE THIRD END RESISTANCE V 7 DISPLAYING THE INPUT CONVERTER OFFSET V 8 TESTING THE DISPLAY V 9 DISPLAYING CHANNEL ACCUMULATION V 10 ACCUMULATIONS PRINTOUT V 11 ZEROING THE ACCUMULATIONS V 12 CONFIGURATION PRINTOUT V 13 DISPLAYING VIOLATIONS V 14 PRINTING CONTROL PART OPERATION VI DEVICE SETUP In set up mode device continues to measure and to transmit data but does not display This mode is used by the operator to set device parameters i e to specify the desired device configuration VI 1 MEASURING PART SETUP VI 2 PRINTING CONTROL PART SETUP VI 2 1
8. type of violations over all 16 channels Serial interface RS232 for connection to computer or network Specialised serial printer interface for connection with printer ISOTTA SP80 with software control of printout speed and appearance MARK users manual rev aug 97 S T INNOVATORS II TECHNICAL SPECIFICATIONS Number of analog inputs 16 programmable setting Type of analog inputs differential relays Input channels isolation separation by means of relays Inputs overload protection 40 V Accuracy current measurements gt 0 5 measurements by use of thermosensors gt 0 5 except for the cases of Input scan time 0 5 seconds per channel Optional relay outputs 250V 1A Power supply 220V 10 50Hz 10VA Operating conditions ambient temperature from 5 to 40 C relative humidity up to 80 at 30 C atmospheric pressure from 61 to 107 kPa Dimensions mm W 482 5 H 132 5 L 244 Opening required for mounting in a shield 444 131 mm measurements with RTD Cu50 Cu53 Cu100 measurements of temperatures below 200eC by means of thermocouples PP1 type R and type S when the accuracy is 1 MARK users manual rev aug 97 S T INNOVATORS III DEVICE CONSTRUCTION III 1 DEVICE APPEARANCE The device is closed in a standard mounting box suitable for a command room panel There is a display and a keyboard on the front panel of the device The display consists of a row of 1
9. y switch alternating or direct voltages up to 250 Volts and currents up to 2 amperes By use of jumpers placed in the modules each discrete output can be pre set in normal open or normal close state There are free places for two discrete output modules in the device An arbitrary modules combination can take these places or they can be left free MARK users manual rev aug 97
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