Datcon DT4240 Series Operating Instructions Manual Download Page 3

Page: 3 / 76

DT4240 xx xx xx xx

20230503-V0

6. Display and manual controls

......................................21

6.1. The first start-up ..................................................................... 21

6.2. Characters and mnemonics appearing on the display ........... 22

6.3. Manual controls, display, indicators ....................................... 25

7. Setting-up

.....................................................................28

7.1. Typing the code (password) in ............................................... 28

7.2. The menu structure ................................................................ 30

7.3. Display brightness (01. menu item)........................................ 31

7.4. Voltage transformer ratio (IX) (03. menu item)....................... 32

7.5. Leading zero(s) enable / disable (06. menu item).................. 33

7.6. The number of averaged measurements (08. menu item)..... 34

7.7. Display refresh time (09. menu item) ..................................... 36

7.8. Setting limit outputs (10., 11. menu item)............................... 37

7.9. Limit output state display mode (12. menu item) ................... 43

7.10. Clear minimum and maximum values (13. menu item)........ 45

7.11. Analoge output signal setting (14. menu item)..................... 46

7.12. Assignment analog output low value to display value
(scaling) (15. menu item) .............................................................. 47

7.13. Assignment analog output high value to display value
(scaling) (16. menu item) .............................................................. 49

7.14. MODBUS communication settings (17. menu item)............. 51

7.15. Tests (18. menu item) .......................................................... 54

7.16. Changing the user code (19. menu item)............................. 57

7.17. Changing the supervisor code (20. menu item) ................... 59

7.18. Resetting the default settings (21. menu item)..................... 61

8. Fault rectification

.........................................................62

8.1. Fault finding............................................................................ 62

8.2. Repairing................................................................................ 62

9. Dismounting

.................................................................63

9.1. Dismounting procedure .......................................................... 63

9.2. Disposal ................................................................................. 63

10. Appendix

.....................................................................64

10.1. Technical specifications ....................................................... 64

10.2. Application example ............................................................. 68

10.3. Setting up the instrument (example) .................................... 72

10.4. MODBUS settings ................................................................ 73

Summary of Contents for DT4240 Series

Page 1: ...DT4240 xx xx xx xx AC Voltage Meter Operating Instructions...

Page 2: ...ion 6 3 2 Type designation 6 3 3 Principle of operation 7 3 4 Adjustment 8 3 5 Display indicators 9 3 6 Storage and transport 9 4 Mounting 10 4 1 General instructions 10 4 2 Main dimensions of the ins...

Page 3: ...mode 12 menu item 43 7 10 Clear minimum and maximum values 13 menu item 45 7 11 Analoge output signal setting 14 menu item 46 7 12 Assignment analog output low value to display value scaling 15 menu i...

Page 4: ...available to these personnel and put into practice by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution warning danger This symbol informs you o...

Page 5: ...n give rise to application specific hazards or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions The DT4240 xx xx xx xx is a high tech instrument req...

Page 6: ...ope of delivery encompasses DT4240 xx xx xx xx 1 pc panel sealing 1 2 pc mounting clamps enclosed in a nylon bag 1 pc 4 element plug in terminal analogue or communication option 2 documentation this o...

Page 7: ...gnal filtering output scaling display refresh rate limit modes limit values etc are stored in EEPROM The settings are protected by a two level password against unauthorized manipulation Options Two no...

Page 8: ...processes the front panel membrane keypad drives the limit relays the analogue output and the communication output Power supply The instrument has two power supply version DT4240 xx xx xx 24 VDC 3 5...

Page 9: ...nted through the communication output 3 6 Storage and transport This instrument should be stored and transport in places whose climatic conditions are in accordance with Chapter 10 1 Technical specifi...

Page 10: ...d the panel when mounting the instrument to assure IP 65 from the front Mounting positions Select a mounting position you can easily read the display reach for mounting and connecting the instrument a...

Page 11: ...standard 96 x 48 mm ABS case It can be fix in the panel with the two enclosed mounting clamps Preparatory steps Dimensions of panel cutout 1 Cut out the panel according to the figure shows above The c...

Page 12: ...heck the fitting of the seal between case and mounting surface 4 Put one of the enclosed mounting clamp onto the tip of a screwdriver A and put the clamp with the help of the screwdriwer into the hole...

Page 13: ...te the suitability of the connecting cable wire cross section insulation etc You may use either solid conductor or flexible conductor In case of using flexible conductor use crimped wire end In case o...

Page 14: ...ly the polarity is indifferent The following figure shows the wiring plan connecting the DT4240 xx xx xx type instrument to the power supply Wiring plan connecting the instrument to the mains see also...

Page 15: ...onnecting the input to the input voltage signal Wiring plan connecting the input see also Application example 1 Loosen terminal screws 2 Insert the wire ends into the open terminals according to the w...

Page 16: ...ing plan connecting the limit relay outputs Wiring plan connecting the limit relay outputs see also Application example 1 Loosen terminal screws 2 Insert the wire ends into the open terminals accordin...

Page 17: ...240 xx xx IA xx or in case of passive DT4240 xx xx IP xx output Wiring plan connecting the analogue output see also Application example Be careful the polarity of the cables 1 Loosen terminal screws 2...

Page 18: ...le Be careful the polarity of the cables The RS 232 Modbus communication output should be used for short distance communication The maximum distance is 10 15 m it depends on the communication speed Yo...

Page 19: ...example Be careful the polarity of the cables The RS 485 Modbus communication output should be used for long distance communication 32 instrument can be connected to the PLC or to the computer You can...

Page 20: ...er supply voltage Put the instrument under supply voltage After you have completed the connections put the instrument under supply voltage If the supply connection is correct the display gives light T...

Page 21: ...wer supply first you see on the display the value of the input voltage Input voltage is 0 V you will see Input voltage is 103 1 V you will see In the case of an error message If anything else appears...

Page 22: ...emonics code words 5 digit length max presented on the display comes from English expressions in abbreviated form The following part gives a list of the possible mnemonics and their meaning The left s...

Page 23: ...ason of error value to be displayed is 99999 Error Missing Minimum Maximum Reason of error the stored minimum and maximum values are cleared Error Save Reason of error the save of settings are failed...

Page 24: ...lease Re type Automatic escaping Auto Escape over 4 minutes Exit from the setting Exit Calculations is in progress please wait Busy The requested operation has been completed Ready Error Error The sav...

Page 25: ...the state of limit outputs don t change the communication option doesn t work and on the analogue output is error current 3 2 mA or 20 8 mA If no keys are pressed for a period of 4 minutes the instru...

Page 26: ...rocess starts from operation 1 enable to display the three values sequentially When you release the button more than 5 sec and you press down the button again the minimum value will be displayed indep...

Page 27: ...Rel 1 limit output indicator yellow indicates that the limit output 1 is in on state LIMIT1 2 Rel 2 limit output indicator yellow indicates that the limit output 2 is in on state LIMIT2 3 Status Commu...

Page 28: ...Typing the code in 1 Press the MENU button The blinking mnemonic shows that the device is asking for the code 2 Three zeros appear The zero at the left side is blinking Pressing the button you can in...

Page 29: ...nt displays the mnemonic Auto Escape after 4 minute has passed from the last pressing of a button and it RESTARTS i e goes back to the measuring mode This solution is due to security unauthorised pers...

Page 30: ...0 1 Limit output 11 2 Limit output 37 page 12 Limit display mode 43 page 13 Clear Min max values 45 page 14 Analogue output select 46 page 15 Assign 4 mA to voltage 47 page 16 Assign 20 mA to voltage...

Page 31: ...sired value For example you see on the display If you have choosen 50 Exit from the menu item 1 After finishing the settings press the MENU button to exit from the given menu item and you see 2 If you...

Page 32: ...on the display The left digit is blinking indicating that it can be modify 5 Pressing the button you can step to the next digit 6 Pressing the button you can increese the value of blinking digit etc E...

Page 33: ...it can be modify it signs that it can be modify 5 Pressing the button you can disable or enable the leading zeros Space space space s is are display instead of zero s leading zero s is are displayed f...

Page 34: ...ressing the button as long as you see this menu item Averaging tlagol s 3 Enter the menu item by pressing the ENTER button 4 You see this on the display The mnemonic is blinking it signs that it can b...

Page 35: ...ave typed in go on with the operation from point 3 of the Sequence of operations 3 If you don t want to exit the menu as you want to do further settings then you may select the desired menu items by p...

Page 36: ...ns that it can be modify 5 Pressing the button select the time periods by which the instrument should display the new measurement values You can choose from the followings 1 0 second 1 5 seconds 2 0 s...

Page 37: ...he button as long as you see this menu item Limit1 limit 1 3 Enter the menu item by pressing the ENTER button 4 4 You see this on the display L1 Limit 1 means limit output No 1 Blinking SS Settings me...

Page 38: ...rocess through the limit outputs Cool The output gets switched on when the displayed physical value is higher than the high limit value H LI When the displayed voltage value is lower or equal than H L...

Page 39: ...ressing button the sequence is etc So you can set any value between 9999 99999 14 After you have defined the value for the limit press the MENU button to exit from the sub menu item and you see this 1...

Page 40: ...ror message on the display and the instrument substitute the wrong value for 000 00 or for 300 00 so you can not set invalid value The digit at the left side is blinking 19 Pressing button you can sel...

Page 41: ...ue of high limit than the low limit value will get the value of high limit so the low limit value can not be greater then the high limit value The digit at the left side is blinking 26 Pressing the bu...

Page 42: ...ing on according the display value and the limit value setting but it switching only off by pressing ENTER button limit signaling acknowledge Exit from the menu item 1 After finishing the settings pre...

Page 43: ...signaling that it can be modify 5 Pressing button select the displaying mode You can choose from the following Dynamic dynamic It displays the limit output state as far as the ENTER button is pressed...

Page 44: ...press the MENU button to exit from the menu item and you see this 2 If you want to change the setting you have done just now or if you just want to check what you have typed in go on with the operatio...

Page 45: ...o exit as you do not want to clear the minimum and maximum values after all press the MENU button 6 If you want to clear the minimum and maximum values press the button to change the NO to YES I do no...

Page 46: ...u can choose between the two output signal 4 20 mA current output Factory default 0 20 mA current output Exit from the menu item 1 After you have performed the setting press the MENU button This takes...

Page 47: ...ations 1 Enter the menu by typing the supervisor code The way the code should be type in is described in Chapter 7 1 Typing the code in You see this on the display 2 Keep stepping by pressing the butt...

Page 48: ...u have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further settings you may press the button to select...

Page 49: ...u by typing the supervisor code The way the code should be type in is described in Chapter 7 1 Typing the code in You see this on the display 2 Keep stepping by pressing the button as long as you see...

Page 50: ...u have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further settings you may press the button to select...

Page 51: ...pping by pressing the button as long as you see this menu item MODBUS 3 Enter the menu item by pressing the ENTER button 4 The mnemonic MODBUS Address MODBUS c m is shown on the display Here you can s...

Page 52: ...conds 2400 2400 bit seconds 4800 4800 bit seconds 9600 9600 bit seconds Factory default 13 After selecting data rate press MENU button you will see and the instrument exits from the menu item MODBUS p...

Page 53: ...onse delay time can be in the 0 255 range If you set greater number you will see error message and the delay time will be set to 255 Pressing the MENU button you will see and the instrument exits from...

Page 54: ...e menu item by pressing the ENTER button 4 You see this Test Display display test It s meaning Display test The mnemonic Itt a kijelz m k d k pess g t ellen rizheti If you want to test the display pre...

Page 55: ...1 OFF 2 ON both are switched ON Rel1 Rel2 yellow indicators on the left side of the front panel indicate the ON status of the limit outputs 12 Press the MENU button to exit from the menu item and you...

Page 56: ...e operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want to perform further testing you may press the button to select the desired menu items Exit...

Page 57: ...ssing the button you can select the next digit 6 Pressing the button you can increase the value of the blinking digit etc 7 After setting the new user code press MENU button 8 You have to type the new...

Page 58: ...ge the setting you have performed just now or if you just want to check what you have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the m...

Page 59: ...the button you can select the next digit 6 Pressing the button you can increase the value of the blinking digit etc 7 After setting the new user code press MENU button 8 You have to type the new code...

Page 60: ...u have performed just now or if you just want to check what you have typed in continue the operation from Point 3 of the Sequence of operations 3 If you do not want to exit from the menu as you want t...

Page 61: ...see this on the display 2 Keep stepping by pressing the button as long as you see this menu item Default settings default settings 3 Enter the menu item by pressing the ENTER button 4 The mnemonic is...

Page 62: ...In the case of an error that causes total inability of the instrument to function nothing appears on the display 8 2 Repairing In accordance with Point 2 1 For safety and warranty reasons any interna...

Page 63: ...er handle to make free the clamp Figure step 2 3 Keeping the screwdriver in this position draw back the mounting clamp Figure step 3 Please do not exercise forces higher than necessary as it may cause...

Page 64: ...VA 3 5 W Input parameters Input signal AC voltage Range 0 125 VAC 0 250 VAC 0 450 VAC customer request Consumption of the input maximum 0 5 W Display Display unit LED 5 digit values 7 segment automat...

Page 65: ...C after 10 min warm up time Accuracy 0 4 20 C Ta 60 C Temperature dependency 75 ppm C Burden max 500 ohm Overcurrent protection 25 mA Overvoltage protection 75 V normal polarity Reverse polarity prote...

Page 66: ...rs 3 Ambient conditions Operating temperature range 0 C 60 C 20 C 60 C on request Storage temperature range 25 C 70 C Climatic conditions MSZ EN 60654 1 class B2 Relative humidity 90 max non condensin...

Page 67: ...n IP 65 front IP 30 rear Mounting position optional Connection cable Power supply Signal option Limit output max 2 mm2 0 25 1 5 mm2 0 25 1 5 mm2 Connection Power supply Signal option Limit output scre...

Page 68: ...DT4240 xx xx xx xx 68 20230503 V0 10 2 Application example Analog output option...

Page 69: ...DT4240 xx xx xx xx 20230503 V0 69 RS232 communication interface option...

Page 70: ...DT4240 xx xx xx xx 70 20230503 V0 RS484 communication interface option...

Page 71: ...DT4240 xx xx xx xx 20230503 V0 71 RS485 bus topology...

Page 72: ...n Min value 0 VAC 4 mA max value 1000 VAC 20 mA In a case of U 500 VAC the limit No 1 should be close The DT4240 xx xx xx xx parameter settings The voltage transformer ratio UX 4 The physical value as...

Page 73: ...16 bit Remark the displayed value is 32 bit signed integer This value is without reference to the place of decimal point See refer the R1002 register also R1002 Number of decimal character 0 4 R1003 F...

Page 74: ...DT4240 xx xx xx xx 74 20230503 V0...

Page 75: ...DT4240 xx xx xx xx 20230503 V0 75...

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