manuale TSX1 inglese.cdr
Contents
1. 9 LIGHT ALWAYS ON MAX A 888 B 888 C YES NO C 888 D 888 LANGUAGE ITA ENG FRA DEU set ABC Al 888 8 C A2 888 A3 888 CONTRAST REGULATI i set D Al 888 A2 888 A3 888 D DEFAULT DATA YES NO 6 Nu HYS 88 DEL 88s ae PROBE D YES NO IMP 88s AUT 0 8 Ab programming Entering the programming modality from this page you go to page 4b that allows the activation or de activation of the D probe Page 5 visualizes the hysteresis delay alarm memory and impulsive release data Page 6 provides the loading of the data set usually fornished with the device Page 7 gives access to the display contrast regulation Page 8 gives access to the language selection In page 9 you can choose the operation of the display backlighting always or limited time alight Programming The programmable data can be modified following a procedure later on described that allows to intuitively set data in little groups Data are visualized collected in pages as described in the previous paragraph To modify one of these groups you must follow the next procedure e using and Y keys as indicated in the previous paragraph you can choose the visualization page containing the data to be programmed e simultaneously pushing and gt keys you can enter the programming modality In the programming modality according to the data group either a guided2. Device dimensions frontal dimension 96 mm x 96 mm compliance with DIN 43700 requirements Device length of 105 mm with rear terminals assembling on the front of the electric panel panel cut out 92 mm x 92 mm ABS self extinguishing container Frontal panel in anti scratch polyestere with keyboard and signal leds Performances Temperature monitoring from 20 C to 200 C Temperature measurements accuracy 0 5 full scale 1 digit Digital linearity of probe signal compliance with DIN 43760 requirements Self diagnostics Operating temperature range from 5 C to 50 C Humidity lower then 95 no condensing Compliance with CE requirement User data storage for 10 years without power supply Device functionality self diagnostic Alarm signal for working anomalies or wrong user data definition Displaying and data management backlighted LCD display 16 characters x 2 lines for the visualization of all the 4 measured temperatures 3 leds indicating alarm levels 1 led indicating working anomalies or probe fault user data programming by membrane keypad automatic exit from programming procedure after 30 seconds of no operation 3 temperature levels programming for 3 input channels 3 temperature levels programming for the 4 input channel hysteresis alarm memory delay and impulse data programming notification for wrong user data statements stated data recall and visualization by the membrane keypad maximum measured temperature s
3. In the programming modality it allows to increase the value ofthe programming datum 7 Confirming gt key In the programming modality it confirms the set datum 4 6 6 front view 3 Back panel and accessories 1 Connector for probes connection 2 Connector for the relay outputs 3 Power supply connector EE s z s s e 7 m E ds E El EI G Rear view and accessories 4 Removable terminals for the wiring harness 5 Clips for the device clamping Mechanical installation The 7TSX1 device provides a black self extinguishing ABS container The device 89 5 x 87 5 mm 4 gt f 96 MM 92 mmn 9 I TW 2596 MM 242792 mM z405 mm 4 dimensions are compliance to the standard of DIN 43700 96 mm x 96 mm section and a maximum depth of 105 mm The dimensions of the panel perforation are 92 mm x 92 mm The fixing is carried out using the clamps provided with the device Electrical connections All the connections are carried out with the removable terminals provided with the device for a simplified wiring harness For the wiring harness you can refer to the figure 5 and to the terminals numeration Power Supply The power supply connection is performed connecting the power voltage to the terminals 25 and 27 without any respect of polarity f
4. maximum protection from disturbances on the probes until near the device Transormer Pt100 Probes Probe A Probe B Probe C Probe D rjajs a sje z ej o n Probe A Probe B Probe C Probe D Input probes Pt100 Transormer Pt100 Probes Probe A Probe B Probe C Probe D r 2jsj sj6 7jejorouyou Probe A Probe B Probe C Probe D Input probes Pt100 18 More commonly however shields probes are brought up only to a terminal in the frame where they are connected together on a single terminal In this case it is necessary to link the screen with a wire terminal 6 on the device TSX The terminal that are connected shields can be but it is not necessary that of the ground reference This type of connection is shown in the second Figure This type of connection should not be a problem if the environment is not particularly disturbed and if within the frame there are not sources of disturbance in the vicinity of TSX7 Optional ground connection Notes 4 Tesair TESAR srl Via Libbia 61 52000 Chiassa Superiore AR Italy Tel 39 0575 3171 fax 39 0575 317201 info tesar eu Www tesar eu
5. s measure will be affected by an error as large as longer is the probe connection cable Instructions for use Visualization and keyboard use On the 7SX device the measured temperatures and the set data visualization is done by the navigation on pages by keyboard Besides this kind of visualization has a very intuitive use it allows the simultaneous visualization of data related to the same ambit Navigation on pages Navigation on visualization pages takes place using the increase and decrease keys referred to with and Y symbols Pages are cyclically placed when you arrive to the last page you directly go to the first one Referring to the scheme with the key you run the pages clockwise whereas with the key you run the pages anticlockwise The usually visualized page is page 1 which is the principle one It shows the temperatures measured by the probes The device visualizes this page at the switching on and every time it is standing for a time greater than 30 seconds no key pushed Page 2 visualizes the maximum values of temperatures measured by each probe Page 3 visualizes the three alarm levels setpoints programmed for probes A B and C Page 4 visualizes the three alarm levels setpoints programmed for probe D If lines appear instead of numbers it means that the D probe has been de activated by 1 A 888 B 888 C 888 D 888 2
6. the hysteresis the dashed line In the bottom of the figure is represented the alarm situation which means the corresponding relay s shut down At time T the curve representing temperature exceeds the setpoint but the alarm doesn t activate because temperature returns under the setpoint before the set delay time T s term In this way you avoid the corresponding threshold activation when you have very fast transients At time T the curve representing temperature exceeds again the setpoint and after the set delay at time T the output channel is activated setpoint hysteresis alarm end no Temperature alarm stort on off alarm status At time T the curve representing temperature goes under the setpoint but the alarm is de activated at time T when it goes under the value of the setpoint minus hysteresis It follows the list of data with the corresponding minimum and maximum programmable value 10 paginata 4 paginata 3 paginata 2 paginata 5 Min Name of Programm Program Standard Datum able value Max mable Value Values SET ABC Al 0 C 199 C 100 C _ First alarm level for A B e C probes SET ABC A2 0 C 199 C 120 C This datum has to be greater than SET ABC Al SET ABC A3 0 C 199 C 135 C This datum has to be greater than SET ABC A2 SETDAI 0 C 199 C 110 C First alarm level for D probe SET D A2 0 C 199 C 130 C This datum has to be greate
7. TSX Thermal protection device for electric units 4 analog input channels 4 output relays USER S MANUAL 4 Tesar TESAR srl 52000 Chiassa Superiore AR Italy Tel 39 0575 3171 fax 39 0575 317201 info tesar eu www tesar eu Introduction Congratulations for your choice to purchase 7SX the electronic device for temperature monitoring This manual gives you the information you need when you install and configure the TSXI device For a useful usage of this manual we suggest you to read it standing near to the TSX device to directly verify the instructions Device Overview The 7SXI device comes into begin to satisfy the insulated resin transformers or dry type transformers user s requirements In details the TSX7 device characteristics are 4analog input channels for resistive probes Pt100 to measure 4 temperatures the temperatures in the three transformer columns and the one in the core see figure below backlighted LCD display 16 characters x 2 lines for the visualization of all the 4 measured temperatures In this way we obtain the whole temperature situation in only one visualization Membrane keyboard with 4 keys to program setup parameters Non volatile data storage 4 output relays to perform 3 alarm levels equal for all the inputs and a general alarm to signal operation anomalies in the device or in the probes The 3 alarm levels are useful to drive fans external signalings as lights o
8. ble temperature thresholds It avoids the alarms to switch on and off closely in time because of temperature oscillation around the temperature setpoint This data appears as HYS in page 5 Adelay datum to excite each alarm when a temperature threshold is exceeded it represents the minimum time the temperature has to spend over the setpoint for the alarm activation It avoids the alarms to be activated for temporary exceedings ofthe temperature setpoint This data appears as DEL in page 5 e Alarm memory for the alarms also when the temperature returns under the corresponding threshold value You can select this option when you want to verify the alarm causes in fact in this case the alarm has to be de activated by hand using the keys on the frontal panel This data appears as AUT in page 5 e Impulse length It is activated only on the A3 alarm and you have to use it only if you have a throw coil isolator for the electric unit s unhooking The relay corresponding to the A3 alarm unhooking will be closed for a number of seconds equal to the impulse length If you don t want the relay to close you have to set this datum equal to zero This data appears as IMP in page 5 Figure in the next page shows the significance of the programmable data above described In the figure on the horizontal axis is represented time and on the vertical one temperature The horizontal lines correspond to the programmable temperature setpoint and this datum minus
9. but sometimes it s not installed In that case you have to de activate the probe from programming to avoid the system s signal of an alarm for the disconnected probe You can decide to activate or de activate the D probe using the and the Y keys If you activate the probe you go to the temperature s thresholds programming page for the alarms as for A B and C probes the A1 threshold is the first alarm level the A2 threshold is the second one and the A3 one is the last level transformer s uncoupling in page 5 of in the programming modality simultaneously pushing the and the gt keys you can set a series of data whose meaning is specified in the Description of programmable data paragraph in page 6 of in the programming modality simultaneously pushing the and the gt keys you can restore the standard data In the programming modality it s necessary to answer si or no using the and keys at page 7 of programming modality pushing simultaneously the and the gt keys you can icrease or decrease the display contrast using using the and 7 keys at page 8 of programming modality pushing simultaneously the and the gt keys you can select language using the and keys at page 9 of programming modality pushing simultaneously the and the gt keys you can choose two different options for the backlighting of the display In the programming modality it s necessary to answer YES or NO using the and 7 keys If you answ
10. er YES the display will be always lighted If you choose the second operation modality the backlighting will be usually turned off and will be turned on for a short time when the user pushes any key Entering the programming modality if you simultaneously push the and the gt keys in the page 1 you can cancel the alarms in case the alarm memory has been programmed see the Description of programmable data paragraph When the programming data modality is activated the system is in no active control modality so that the relays are de excited and the No active control General alarm led lights up Description of programmable data The programmable data are the following ones e 3 temperatures setpoint for the ABC probes the exceedings of those levels excites the alarms A1 A2 and A3 On these data a condition 1s present the value of A1 has to be lower than the value of A2 and this one has to be lower than that of A3 If you don t respect this condition the system signals an error and doesn t permit the exit from the programming modality e 3 temperatures setpoint for the D probe the exceding of the set levels excites the alarms A1 A2 and A3 There is a condition on this data the value of A1 has to be lower than that of A2 whose value has to be lower than that of A3 If you don t respect this condition the system signals an error doesn t permit the exit from the programming modality A unique hysteresis datum for all the programma
11. esholds for the probes verify that A1 lt A2 lt A3 If you want to exit from the programming modality without changing data wait 30 seconds without touching any key the device will automatically exit from this modality and turn back to the visualization one re setting the previously used data The probe measuresa Verify if the delay datum has been set temperature greater than If it has not the relay will close only after a time equal the corresponding in seconds to the delay length if temperature doesn t setpoint but the alarm undergo the set threshold before doesn t activate The A3 alarm is Verify that the impulse datum has not been activated the led is programmed alight but the relay is de excited Problem The measured temperature is lower than the setpoint but the corresponding alarm is activated In the principal page of temperatures visualization on the D probe datum some dashes appear In the principal page of temperatures writing ERR appears on some probes datum Solution Verify the value of the set datum of hysteresis and control if the measures temperature in lower than the threshold minus this value the alarm stops only when the temperature undergoes the setpoint minus the hysteresis value see figure 8 If this is not the cause of the problem verify that the alarm memory has been set In this case the alarms can be de activated by hand the programming modality in the principal page see page 1 of f
12. igure 7 If on the D probe datum some dashes appear instead of a number it means that the D probe is de activated To activate it see the procedure described in the Programming paragraph If on the temperature datum measured by some probe the writing ERR appears it means that the probe is damaged or badly connected In this situation also the Generic Alarm signaling lights up Test the probe s connection and try to change the connection channel to verify if the problem it s really on the probe AppendixA If the device is directly supplied by the secondary circuit of a medium power transformer it is possible for the device to be crushed by a over voltage of high intensity This can occur when you insert the general switch of the installation without load The phenomenon is particularly evident when the NEX is directly supplied by the copper bars of the secondary circuit of the transformer and fixed re phasing capacitor batteries are present Provide the device protection inserting an insulating 10 VA transformer see figure Damage due to a wrong power supply of the device is not covered by guarantee PTC device he A 220 Vca 24 Vca 10VA BT MT Zav wD 21 Appendix B This page describes two examples liaison shield probes In the first figure is represented connection ideal shields are brought up to the device TSX1 and connected to the third terminal of the respective probe This link ensures
13. ll be lighted up Pushing the second key relay 2 RL2 will be excited the respective led will be lighted up and so on Pushing the key of an excited relay this stop to be excited On display you can see a decreasing counter this counter will be resetted at every relays TEST RELAY XXX commutation When the counter reach zero value L1 RL2 RL3 RL4 device will be switched on normal running to avoid vs that the relays test still switched on in case of oversight The counter is useful to inform when the test will be over Probes connection The analog inputs are compatible with three wires Pt100 resistive probes For the sensors connection we suggest jumper you the following expedients use a shielded cable to connect the l probe with the device and with the f Y shield fixed to the ground reference 1 2 8 112 8 inside the electric panel 3 wi wires probe 2 wires probe theconnection cables route has to be j separated from the high tension cables and from cables driving inductive elements as remote control switch the 3 wires of each probe will have the same length and section so that they have all the same line resistance The line resistance will be lower than 10 Q corresponding to a wire of 500 meters length and 1 mm section It is also possible to use 2 wires Pt100 probes making a link on the terminals for the line resistance measure as shown in figure In that case the temperature
14. or Vcc The nominal allowed voltages are in the 24 Vcc 240 Vcc range for the direct voltage or in the 24 Vca 240 Vca range with 50 Hz frequency for the alternate voltage Terminal 26 has to be connected to the ground reference The device power supply is protected from momentary input over voltages The damage due to a wrong power supply is not covered by guarantee The device does not provide internal fuses so that you must provide an external adequate protection Relays outputs connection probeA probeB probeC probe D Figure 5 shows the position of the relays not excited turned off input probes Pr100 device The alarm relays are excited when one of the probes exceeds the set 7 E 7 2 limit The General Alarm relay odo de 13 14 15 16 17 18 19 20 21 22 23 24 operates in intrinsic security so that it is excited at the device Al A2 A3 tener switching on and it is de excited output relays allam when conditions that compromise the device functionality take place red n In this way when the device is red switched off you have the no white 25 26 27 active control signal i probe Pt100 power supply Relays test As reported in figure at the right side when device start up you can access to the relays test page pushing key Pushing the last key on the left ralay 1 RL1 will be excited the associated led wi
15. page with specific questions or the same page with a flashing cursor standing on a cipher of the first datum to be modified appears The programming modality entry is easily recognizable because also the General Alarm led blinks to signal that the device is no more in the active control modality Once you entered the programming modality a flashing cursor appears on one of the visualized data Using and 7 keys it is possible to increase decrease or anyway modify For numerical data it is possible to shift the cursor to the next cipher pushing the key The shift is cyclical keeping on pushing the key you pass through all the datum ciphers and after the last one you return to the initial one This is usefull to correct erroneous sets When the datum definition is completed you must confirm it pushing the gt key and the cursor will shift on a cipher of the next datum If you don t want to modify the datum it s sufficient to confirm it pushing the gt key Once you have confirmed the last programmable data of the visualized page the device carries out a conformity test of the set data if the test is positive the set data are storaged and the device leaves the programming modality and returns to the usual visualization modality If the data test is negative an error signal appears and the device doesn t leave the programming modality showing the same page to correct data The exit from the programming modality can occur also for inactivi
16. r than SET D Al SET D A3 0 C 199 C 145 C This datum has to be greater than SET D A2 SERS OC 9 I3 p 0 sec 99 sec 0 sec If it is equal to 1 there is alarm memory if it is equal to 0 there is not If itis equal to 0 the unhooking relay stays closed for the alarm lenght If it is not equal to 0 the unhooking relay stay closed only for a time in seconds equal to the set value impulse Solution of problems In this paragraph we give you some suggestions to solve anomalies you can meet using the TSX device Problem Solution The TSX1 device Verify the connection to the power supply doesn t turn on Verify there is line voltage Verify that the power supply values are compliance with those specified in this manual If the problem persists please contact the device distributor The device emits the Verify there is no error messages on the display General Alarm signal Verify the suitable connection of probes Verify that the device is not in the programming modality In this case wait 30 seconds before touching any key the device will automatically exit this modality and turn back to the visualization one If the problem persists please contact the device distributor The device shows the This situation occurs when at the exit from the message Data Error and programming modality and the device carries out a doesn t exit the conformity test of the set data If you are setting the programming modality alarm thr
17. r sirens and the unhook ofthe electric unit from the electrical line The system performs useful reading of the measured temperatures and a very easy definition ofthe control parameters The TSX device has been realized compliance with the electromagnetic compatibility requirement Probe A Probe B Probe C Technical specifications Power supply nominal line voltage and frequency 24 250 Vcc and Vac at 40 60 Hz Maximum line voltage from 20 to 260 Vcc and Vac Vcc with reversible polarity Maximum power absorption 7 VA Protection against electrical and magnetic noises Inputs O 4 analog input channels for three wires Pt100 probes compliance with requirement DIN 43760 The operator can de activate the 4th channel from programming connection with removable terminals for wires of 1 5 mm section cables length compensation up to 500 m 1 mm section detection for broken or not connected probes input channels protected against electromagnetic noises and spikes utputs 4 output relays with contacts capacity of 5A with 250Vac one relay for the 1 setpoint level for fan control one ralay for the 2 setpoint level pre alarm one relay for the 3 setpoint level unhook of the electrical unit one relay for probe fault or working anomaly signaling general alarm output connection with removable terminals for wire of 1 5 mm section and capacity of 8A 250 Vac
18. torage for each input channel memory alarm reset by membrane keypad Cautions avoid power supply out of the device nominal range use shielded cables for the probes avoid the device working in room with conditions out of the nominal ones previously reported and in particular in presence of condensing humidity Device and accessories description The Figure represents the scheme of the device dise panel Backlighted LCD display 16 characters per 2 lines It allows the simultaneous visualization ofthe measured temperatures It is possible to visualize and modify the alarm sets using the keys 2 Leds Al A2 A3 point out the corresponding alarm activation due to the exceeding ofthe alarm sets by one of the measured temperatures 3 General Alarm led points out anomalies This led lights up in these cases Theself diagnostics program pointed out an anomaly There is a damaged or not connected probe The system is in no active control data programming modality 4 Second function key Pressed with the confirming key 7 it allows to enter the programming modality in this modality it allows the shift on number to be modified 5 Decrease key Out of the programming modality it allows the navigation in the data visualization pages In the programming modality it allows to decrease the value of the programming datum 6 Increase key Out ofthe programming modality it allows the navigation in the data visualization pages
19. ty 1f nobody pushes a key for at least 30 seconds In that case the device ignores the data modifications eventually done and restores data set before entering the programming modality You have to program even not numerical data using the and Y keys and confirm them by the gt key A brief description of each page programming follows in page 2 of in the programming modality simultaneously pushing the and the gt keys you can modify the maximum temperatures reached by each acquisition channel You can only put these data at zero Entering the programming modality the four maximum values will be simultaneously put at zero Anyway you won t see zeros because the device once you have finished the zero setting will do a comparison with the measured temperatures that will surely be greater so that the maximum values will immediately be updated in page 3 of in the programming modality simultaneously pushing the and the gt keys you can modify the temperature levels relative to the three A B and C probes alarms The data modification modality is the general one described above The A1 threshold is the first alarm level the A2 threshold is the second one and the A3 one is the last level transformer s uncoupling in page 4 of in the programming modality simultaneously pushing the and the gt keys you can go the 4b page that allows the D probe activation or de activation This probe is usually joined to the transformer s core
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